2012-01-11 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk rev 183090 using svnmerge



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@183091 138bc75d-0d04-0410-961f-82ee72b054a4

7 files changed, 1606 insertions, 1485 deletions

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index f6b2a167fa4..3e27ed952c0 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,1492 +1,38 @@
-2012-01-06  Tobias Burnus <burnus@net-b.de>
-
-	* caf/single.c (_gfortran_caf_register, _gfortran_caf_deregister):
-	Fix token handling.
-	* caf/mpi.c  (_gfortran_caf_register, _gfortran_caf_deregister): Ditto.
-	* caf/libcaf.h (STAT_STOPPED_IMAGE): Sync with libgfortran.h.
-	(_gfortran_caf_register, _gfortran_caf_deregister): Update prototype.
-
-2011-12-22  Janne Blomqvist  <jb@gcc.gnu.org>
-	Tobias Burnus  <burnus@net-b.de>
-
-	PR libfortran/51646
-	* acinclude.m4 (LIBGFOR_CHECK_UNLINK_OPEN_FILE): Use POSIX mode
-	flags, omit mode argument when flags argument does not have
-	O_CREAT.
-	* io/unix.c (tempfile): Use POSIX mode flags.
-	* configure: Regenerate.
-
-2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
-
-	* configure: Regenerate.
-
-2011-11-11  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/51090
-	* runtime/main.c (find_addr2line): NULL check before proceeding.
-
-2011-11-10  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* intrinsics/cpu_time.c (__cpu_time_1): Don't force inlining.
-	* intrinsics/random.c (rnumber_4): Remove inline attribute.
-	(rnumber_8, rnumber_10, rnumber_16): Likewise.
-	* intrinsics/system_clock.c (gf_gettime_mono): Likewise.
-	* intrinsics/time_1.h (ATTRIBUTE_ALWAYS_INLINE): Remove macro.
-	(gf_cputime): Add inline attribute for MingW version.
-	* io/format.c (format_hash): Remove inline attribute.
-	* io/io.h (memset4): Inline function from transfer.c and write.c
-	moved here.
-	* io/transfer.c (min_off): Remove inline attribute.
-	(memset4): Move to io.h.
-	* io/write.c (memset4): Likewise.
-	(memcpy4): Remove inline attribute.
-	* io/write_float.def (calculate_exp): Likewise.
-
-2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* intrinsics/time_1.h (gf_gettime): Simplify time() usage.
-
-2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* configure.ac (AC_STDC_HEADERS): Remove.
-	(AC_HEADER_TIME): Remove.
-	(AC_HAVE_HEADERS, AC_CHECK_HEADERS): Move into a single invocation
-	of AC_CHECK_HEADERS_ONCE, don't check for presence of C89 headers.
-	(AC_CHECK_MEMBERS): Use single invocation.
-	(AC_CHECK_FUNCS): Move into single invocation of
-	AC_CHEC_FUNCS_ONCE, don't check for presence of C89 functions.
-	* config.h.in: Regenerate.
-	* configure: Regenerate.
-	* intrinsics/clock.c: Include time.h.
-	(mclock): Assume clock() is present.
-	(mclock8): Likewise.
-	* intrinsics/ctime.c (strctime): Assume strftime is present.
-	(fdate): Assume time() is present.
-	(fdate_sub): Likewise.
-	(ctime): Likewise.
-	* intrinsics/date_and_time.c: Don't provide abs macro.
-	(HAVE_NO_DATE_TIME): Remove code related to macro which is never
-	set.
-	* intrinsics/execute_command_line.c: Assume stdlib.h is present.
-	* intrinsics/exit.c: Likewise.
-	* intrinsics/extends_type_of.c: Likewise.
-	* intrinsics/gerror.c: Assume strerror() is present.
-	* intrinsics/kill.c: Assume signal.h is present.
-	* intrinsics/malloc.c: Assume stdlib.h is present.
-	* intrinsics/move_alloc.c: Likewise.
-	* intrinsics/perror.c: Assume perror() is present.
-	* intrinsics/signal.c: Assume signal.h is present.
-	* intrinsics/stat.c: Assume stdlib.h is present.
-	* intrinsics/system.c: Likewise.
-	* intrinsics/time.c: Include time.h, assume time() is present.
-	* intrinsics/time_1.h: Conditionally include sys/time.h,
-	unconditionally time.h.
-	(gf_cputime): Do division in double, fallback using clock().
-	(gf_gettime): Assume time() is present.
-	* intrinsics/umask.c: Assume stdlib.h is present.
-	* runtime/backtrace.c: Likewise.
-	* runtime/compile_options.c: Assume signal.h is present, assume
-	C89 signals are present.
-	* runtime/error.c: Assume signal.h and stdlib.h are present.
-
-2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR fortran/46686
-	* runtime/backtrace.c (show_backtrace): Fix incorrect comment.
-
-2011-11-09  Tobias Burnus  <burnus@net-b.de>
-
-	* configure.ac: Make more cross-compile friendly.
-	* Makefile.in: Regenerate.
-	* aclocal.m4: Regenerate.
-	* config.h.in: Regenerate.
-	* configure: Regenerate.
-
-2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR fortran/46686
-	* configure.ac: Don't check execinfo.h, backtrace,
-	backtrace_symbols_fd. Check execve instead of execvp. Call
-	GCC_CHECK_UNWIND_GETIPINFO.
-	* runtime/backtrace.c: Don't include unused headers, include
-	limits.h and unwind.h.
-	(CAN_FORK): Check execve instead of execvp.
-	(GLIBC_BACKTRACE): Remove.
-	(bt_header): Conform to gdb backtrace format.
-	(struct bt_state): New struct.
-	(trace_function): New function.
-	(show_backtrace): Use _Unwind_Backtrace from libgcc instead of
-	glibc backtrace functions.
-	* Makefile.in: Regenerated.
-	* aclocal.m4: Regenerated.
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-
-2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/50016
-	* io/inquire.c (inquire_via_unit): Flush the unit and use ssize.
-	* io/unix.c (buf_flush): Don't call _commit.
-
-2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
-
-	PR libfortran/47972
-	* runtime/error.c (gf_strerror): Silence warning.
+2012-01-11  Janne Blomqvist  <jb@gcc.gnu.org>
+            Mike Stump  <mikestump@comcast.net>
+	PR libfortran/51803
+	* runtime/main.c (store_exe_path): Handle getcwd failure and lack
+	of the function better.
 
-2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+2012-01-10  Tobias Burnus  <burnus@net-b.de>
 
-	PR libfortran/47972
-	* runtime/error.c (gf_strerror): Silence warning.
+	PR fortran/51197
+	* runtime/compile_options.c (show_signal): List
+	more signals.
 
-2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+2012-01-09  Harald Anlauf  <anlauf@gmx.de>
+	    Tobias Burnus  <burnus@net-b.de>
 
-	PR libfortran/47970
-	* intrinsics/c99_functions.c (round): Move higher in the file.
+	PR fortran/51197
+	* runtime/backtrace.c (show_backtrace): Modify wording written
+	before the backtrace.
+	* runtime/compile_options.c (show_signal): New function.
+	(backtrace_handler): Use it.
 
-2011-11-07  Janne Blomqvist  <jb@gcc.gnu.org>
+2012-01-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
-	PR libfortran/45723
-	* io/open.c (new_unit): Don't check file size before attempting
-	seek.
-
-2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
-
-	* Makefile.am (AM_CPPFLAGS): Add
-	-I$(srcdir)/$(MULTISRCTOP)../libgcc, -I$(MULTIBUILDTOP)../libgcc.
+	* Makefile.am (libgfortran_la_LDFLAGS): Add -Wc,-shared-libgcc.
 	* Makefile.in: Regenerate.
-	* acinclude.m4 (LIBGFOR_CHECK_GTHR_DEFAULT): Remove.
-	* configure.ac (LIBGFOR_CHECK_GTHR_DEFAULT): Likewise.
-	* configure: Regenerate.
-	* config.h.in: Regenerate.
-
-2011-11-01  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/io.h (next_available_newunit): Remove prototype.
-	* io/unit.h (next_available_newunit): Make variable static,
-	initialize it.
-	(init_units): Don't initialize next_available_newunit.
-	(get_unique_unit_number): Use atomic builtin if available.
-
-2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/inquire.c (inquire_via_unit): Check whether we're at the
-	beginning or end if the position is unspecified. If the position
-	is not one of the 3 standard ones, return unspecified.
-	* io/io.h (update_position): Remove prototype.
-	* io/transfer.c (next_record): Set the position to unspecified,
-	letting inquire figure it out more exactly when needed.
-	* io/unit.c (update_position): Remove function.
-
-2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/unix.h (struct stream): Add size function pointer.
-	(ssize): New inline function.
-	(file_length): Remove prototype.
-	* io/unix.c (raw_size): New function.
-	(raw_init): Initialize st.size pointer.
-	(buf_size): New function.
-	(buf_init): Initialize st.size pointer.
-	(open_internal): Likewise.
-	(open_internal4): Likewise.
-	(file_length): Remove function.
-	* io/file_pos.c (st_rewind): Use ssize instead of file_length.
-	* io/open.c (test_endfile): Likewise.
-	* io/transfer.c (data_transfer_init): Likewise.
-	(next_record_r): Likewise.
-	(next_record_w): Likewise.
-	* io/unit.c (update_position): Likewise.
-
-2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/file_pos.c (st_rewind): Handle regular and special files
-	identically.
-	* io/intrinsics.c (fseek_sub): Don't check whether we think the
-	file is seekable, just do what the caller says.
-	* io/transfer.c (skip_record): First try to seek, then fallback to
-	reading and throwing away what we read.
-	* io/unit.c (update_position): Don't check whether file is
-	seekable, just try to do what we're told.
-	(unit_truncate): Likewise.
-	* io/unix.c (struct unix_stream): Remove special_file flag.
-	(buf_flush): Remove code for handling unseekable files.
-	(buf_seek): Likewise.
-	(fd_to_stream): Use buffered IO only for regular files.
-	(file_length): Remove is_seekable() call.
-	(is_seekable): Remove function.
-	(is_special): Likewise.
-	* io/unix.h: Remove prototypes for is_seekable and is_special.
-
-2011-09-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	PR fortran/49479
-	* generated/m4/ifunction.m4:  Always call internal_malloc_size
-	even when there is a zero-sized return array.
-	* generated/generated/maxloc1_16_i16.c: Regenerated.
-	* generated/generated/maxloc1_16_i1.c: Regenerated.
-	* generated/generated/maxloc1_16_i2.c: Regenerated.
-	* generated/generated/maxloc1_16_i4.c: Regenerated.
-	* generated/generated/maxloc1_16_i8.c: Regenerated.
-	* generated/generated/maxloc1_16_r10.c: Regenerated.
-	* generated/generated/maxloc1_16_r16.c: Regenerated.
-	* generated/generated/maxloc1_16_r4.c: Regenerated.
-	* generated/generated/maxloc1_16_r8.c: Regenerated.
-	* generated/generated/maxloc1_4_i16.c: Regenerated.
-	* generated/generated/maxloc1_4_i1.c: Regenerated.
-	* generated/generated/maxloc1_4_i2.c: Regenerated.
-	* generated/generated/maxloc1_4_i4.c: Regenerated.
-	* generated/generated/maxloc1_4_i8.c: Regenerated.
-	* generated/generated/maxloc1_4_r10.c: Regenerated.
-	* generated/generated/maxloc1_4_r16.c: Regenerated.
-	* generated/generated/maxloc1_4_r4.c: Regenerated.
-	* generated/generated/maxloc1_4_r8.c: Regenerated.
-	* generated/generated/maxloc1_8_i16.c: Regenerated.
-	* generated/generated/maxloc1_8_i1.c: Regenerated.
-	* generated/generated/maxloc1_8_i2.c: Regenerated.
-	* generated/generated/maxloc1_8_i4.c: Regenerated.
-	* generated/generated/maxloc1_8_i8.c: Regenerated.
-	* generated/generated/maxloc1_8_r10.c: Regenerated.
-	* generated/generated/maxloc1_8_r16.c: Regenerated.
-	* generated/generated/maxloc1_8_r4.c: Regenerated.
-	* generated/generated/maxloc1_8_r8.c: Regenerated.
-	* generated/generated/maxval_i16.c: Regenerated.
-	* generated/generated/maxval_i1.c: Regenerated.
-	* generated/generated/maxval_i2.c: Regenerated.
-	* generated/generated/maxval_i4.c: Regenerated.
-	* generated/generated/maxval_i8.c: Regenerated.
-	* generated/generated/maxval_r10.c: Regenerated.
-	* generated/generated/maxval_r16.c: Regenerated.
-	* generated/generated/maxval_r4.c: Regenerated.
-	* generated/generated/maxval_r8.c: Regenerated.
-	* generated/generated/minloc1_16_i16.c: Regenerated.
-	* generated/generated/minloc1_16_i1.c: Regenerated.
-	* generated/generated/minloc1_16_i2.c: Regenerated.
-	* generated/generated/minloc1_16_i4.c: Regenerated.
-	* generated/generated/minloc1_16_i8.c: Regenerated.
-	* generated/generated/minloc1_16_r10.c: Regenerated.
-	* generated/generated/minloc1_16_r16.c: Regenerated.
-	* generated/generated/minloc1_16_r4.c: Regenerated.
-	* generated/generated/minloc1_16_r8.c: Regenerated.
-	* generated/generated/minloc1_4_i16.c: Regenerated.
-	* generated/generated/minloc1_4_i1.c: Regenerated.
-	* generated/generated/minloc1_4_i2.c: Regenerated.
-	* generated/generated/minloc1_4_i4.c: Regenerated.
-	* generated/generated/minloc1_4_i8.c: Regenerated.
-	* generated/generated/minloc1_4_r10.c: Regenerated.
-	* generated/generated/minloc1_4_r16.c: Regenerated.
-	* generated/generated/minloc1_4_r4.c: Regenerated.
-	* generated/generated/minloc1_4_r8.c: Regenerated.
-	* generated/generated/minloc1_8_i16.c: Regenerated.
-	* generated/generated/minloc1_8_i1.c: Regenerated.
-	* generated/generated/minloc1_8_i2.c: Regenerated.
-	* generated/generated/minloc1_8_i4.c: Regenerated.
-	* generated/generated/minloc1_8_i8.c: Regenerated.
-	* generated/generated/minloc1_8_r10.c: Regenerated.
-	* generated/generated/minloc1_8_r16.c: Regenerated.
-	* generated/generated/minloc1_8_r4.c: Regenerated.
-	* generated/generated/minloc1_8_r8.c: Regenerated.
-	* generated/generated/minval_i16.c: Regenerated.
-	* generated/generated/minval_i1.c: Regenerated.
-	* generated/generated/minval_i2.c: Regenerated.
-	* generated/generated/minval_i4.c: Regenerated.
-	* generated/generated/minval_i8.c: Regenerated.
-	* generated/generated/minval_r10.c: Regenerated.
-	* generated/generated/minval_r16.c: Regenerated.
-	* generated/generated/minval_r4.c: Regenerated.
-	* generated/generated/minval_r8.c: Regenerated.
-	* generated/generated/product_c10.c: Regenerated.
-	* generated/generated/product_c16.c: Regenerated.
-	* generated/generated/product_c4.c: Regenerated.
-	* generated/generated/product_c8.c: Regenerated.
-	* generated/generated/product_i16.c: Regenerated.
-	* generated/generated/product_i1.c: Regenerated.
-	* generated/generated/product_i2.c: Regenerated.
-	* generated/generated/product_i4.c: Regenerated.
-	* generated/generated/product_i8.c: Regenerated.
-	* generated/generated/product_r10.c: Regenerated.
-	* generated/generated/product_r16.c: Regenerated.
-	* generated/generated/product_r4.c: Regenerated.
-	* generated/generated/product_r8.c: Regenerated.
-	* generated/generated/sum_c10.c: Regenerated.
-	* generated/generated/sum_c16.c: Regenerated.
-	* generated/generated/sum_c4.c: Regenerated.
-	* generated/generated/sum_c8.c: Regenerated.
-	* generated/generated/sum_i16.c: Regenerated.
-	* generated/generated/sum_i1.c: Regenerated.
-	* generated/generated/sum_i2.c: Regenerated.
-	* generated/generated/sum_i4.c: Regenerated.
-	* generated/generated/sum_i8.c: Regenerated.
-	* generated/generated/sum_r10.c: Regenerated.
-	* generated/generated/sum_r16.c: Regenerated.
-	* generated/generated/sum_r4.c: Regenerated.
-	* generated/generated/sum_r8.c: Regenerated.
-
-2011-09-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	* generated/bessel_r4.c: Regenerated.
-	* generated/bessel_r8.c: Regenerated.
-	* generated/bessel_r10.c: Regenerated.
-	* generated/bessel_r16.c: Regenerated.
-
-2011-08-29  Tobias Burnus  <burnus@net-b.de>
-
-	* caf/libcaf.h (_gfortran_caf_deregister): Update prototype.
-	* caf/mpi.c (_gfortran_caf_deregister): Modify prototype,
-	actually free memory and add error diagnostic.
-	(_gfortran_caf_finalize): Add additional free calls.
-	* caf/single.c (_gfortran_caf_deregister): Modify prototype,
-	actually free memory and add error diagnostic.
-	(_gfortran_caf_finalize): Add additional free calls.
-
-2011-08-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	PR libfortran/50192
-	* intrinsics/string_intrinsics.c (memcmp_char4):  New function.
-	* intrinsics/string_intrinsics_inc.c:  New macro MEMCMP, either
-	set to memcmp or memcmp_char4.
-	(compare_string):  Use MEMCMP, with correct size for it.
-	* libgfortran.h:  Add prototype for memcmp_char4.
-
-2011-08-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	PR fortran/40866
-	* generated/iall_i1.c: Regenerated.
-	* generated/iall_i16.c: Regenerated.
-	* generated/iall_i2.c: Regenerated.
-	* generated/iall_i4.c: Regenerated.
-	* generated/iall_i8.c: Regenerated.
-	* generated/iany_i1.c: Regenerated.
-	* generated/iany_i16.c: Regenerated.
-	* generated/iany_i2.c: Regenerated.
-	* generated/iany_i4.c: Regenerated.
-	* generated/iany_i8.c: Regenerated.
-	* generated/iparity_i1.c: Regenerated.
-	* generated/iparity_i16.c: Regenerated.
-	* generated/iparity_i2.c: Regenerated.
-	* generated/iparity_i4.c: Regenerated.
-	* generated/iparity_i8.c: Regenerated.
-	* generated/norm2_r10.c: Regenerated.
-	* generated/norm2_r16.c: Regenerated.
-	* generated/norm2_r4.c: Regenerated.
-	* generated/norm2_r8.c: Regenerated.
-	* generated/parity_l1.c: Regenerated.
-	* generated/parity_l16.c: Regenerated.
-	* generated/parity_l2.c: Regenerated.
-	* generated/parity_l4.c: Regenerated.
-	* generated/parity_l8.c: Regenerated.
-	* generated/misc_specifics.F90: Regenerated (comment change).
-	* generated/_abs_c10.F90: Regenerated (comment change).
-	* generated/_abs_c16.F90: Regenerated (comment change).
-	* generated/_abs_c4.F90: Regenerated (comment change).
-	* generated/_abs_c8.F90: Regenerated (comment change).
-	* generated/_abs_i16.F90: Regenerated (comment change).
-	* generated/_abs_i4.F90: Regenerated (comment change).
-	* generated/_abs_i8.F90: Regenerated (comment change).
-	* generated/_abs_r10.F90: Regenerated (comment change).
-	* generated/_abs_r16.F90: Regenerated (comment change).
-	* generated/_abs_r4.F90: Regenerated (comment change).
-	* generated/_abs_r8.F90: Regenerated (comment change).
-	* generated/_acosh_r10.F90: Regenerated (comment change).
-	* generated/_acosh_r16.F90: Regenerated (comment change).
-	* generated/_acosh_r4.F90: Regenerated (comment change).
-	* generated/_acosh_r8.F90: Regenerated (comment change).
-	* generated/_acos_r10.F90: Regenerated (comment change).
-	* generated/_acos_r16.F90: Regenerated (comment change).
-	* generated/_acos_r4.F90: Regenerated (comment change).
-	* generated/_acos_r8.F90: Regenerated (comment change).
-	* generated/_aimag_c10.F90: Regenerated (comment change).
-	* generated/_aimag_c16.F90: Regenerated (comment change).
-	* generated/_aimag_c4.F90: Regenerated (comment change).
-	* generated/_aimag_c8.F90: Regenerated (comment change).
-	* generated/_aint_r10.F90: Regenerated (comment change).
-	* generated/_aint_r16.F90: Regenerated (comment change).
-	* generated/_aint_r4.F90: Regenerated (comment change).
-	* generated/_aint_r8.F90: Regenerated (comment change).
-	* generated/_anint_r10.F90: Regenerated (comment change).
-	* generated/_anint_r16.F90: Regenerated (comment change).
-	* generated/_anint_r4.F90: Regenerated (comment change).
-	* generated/_anint_r8.F90: Regenerated (comment change).
-	* generated/_asinh_r10.F90: Regenerated (comment change).
-	* generated/_asinh_r16.F90: Regenerated (comment change).
-	* generated/_asinh_r4.F90: Regenerated (comment change).
-	* generated/_asinh_r8.F90: Regenerated (comment change).
-	* generated/_asin_r10.F90: Regenerated (comment change).
-	* generated/_asin_r16.F90: Regenerated (comment change).
-	* generated/_asin_r4.F90: Regenerated (comment change).
-	* generated/_asin_r8.F90: Regenerated (comment change).
-	* generated/_atan2_r10.F90: Regenerated (comment change).
-	* generated/_atan2_r16.F90: Regenerated (comment change).
-	* generated/_atan2_r4.F90: Regenerated (comment change).
-	* generated/_atan2_r8.F90: Regenerated (comment change).
-	* generated/_atanh_r10.F90: Regenerated (comment change).
-	* generated/_atanh_r16.F90: Regenerated (comment change).
-	* generated/_atanh_r4.F90: Regenerated (comment change).
-	* generated/_atanh_r8.F90: Regenerated (comment change).
-	* generated/_atan_r10.F90: Regenerated (comment change).
-	* generated/_atan_r16.F90: Regenerated (comment change).
-	* generated/_atan_r4.F90: Regenerated (comment change).
-	* generated/_atan_r8.F90: Regenerated (comment change).
-	* generated/_conjg_c10.F90: Regenerated (comment change).
-	* generated/_conjg_c16.F90: Regenerated (comment change).
-	* generated/_conjg_c4.F90: Regenerated (comment change).
-	* generated/_conjg_c8.F90: Regenerated (comment change).
-	* generated/_cosh_r10.F90: Regenerated (comment change).
-	* generated/_cosh_r16.F90: Regenerated (comment change).
-	* generated/_cosh_r4.F90: Regenerated (comment change).
-	* generated/_cosh_r8.F90: Regenerated (comment change).
-	* generated/_cos_c10.F90: Regenerated (comment change).
-	* generated/_cos_c16.F90: Regenerated (comment change).
-	* generated/_cos_c4.F90: Regenerated (comment change).
-	* generated/_cos_c8.F90: Regenerated (comment change).
-	* generated/_cos_r10.F90: Regenerated (comment change).
-	* generated/_cos_r16.F90: Regenerated (comment change).
-	* generated/_cos_r4.F90: Regenerated (comment change).
-	* generated/_cos_r8.F90: Regenerated (comment change).
-	* generated/_dim_i16.F90: Regenerated (comment change).
-	* generated/_dim_i4.F90: Regenerated (comment change).
-	* generated/_dim_i8.F90: Regenerated (comment change).
-	* generated/_dim_r10.F90: Regenerated (comment change).
-	* generated/_dim_r16.F90: Regenerated (comment change).
-	* generated/_dim_r4.F90: Regenerated (comment change).
-	* generated/_dim_r8.F90: Regenerated (comment change).
-	* generated/_exp_c10.F90: Regenerated (comment change).
-	* generated/_exp_c16.F90: Regenerated (comment change).
-	* generated/_exp_c4.F90: Regenerated (comment change).
-	* generated/_exp_c8.F90: Regenerated (comment change).
-	* generated/_exp_r10.F90: Regenerated (comment change).
-	* generated/_exp_r16.F90: Regenerated (comment change).
-	* generated/_exp_r4.F90: Regenerated (comment change).
-	* generated/_exp_r8.F90: Regenerated (comment change).
-	* generated/_log10_r10.F90: Regenerated (comment change).
-	* generated/_log10_r16.F90: Regenerated (comment change).
-	* generated/_log10_r4.F90: Regenerated (comment change).
-	* generated/_log10_r8.F90: Regenerated (comment change).
-	* generated/_log_c10.F90: Regenerated (comment change).
-	* generated/_log_c16.F90: Regenerated (comment change).
-	* generated/_log_c4.F90: Regenerated (comment change).
-	* generated/_log_c8.F90: Regenerated (comment change).
-	* generated/_log_r10.F90: Regenerated (comment change).
-	* generated/_log_r16.F90: Regenerated (comment change).
-	* generated/_log_r4.F90: Regenerated (comment change).
-	* generated/_log_r8.F90: Regenerated (comment change).
-	* generated/_mod_i16.F90: Regenerated (comment change).
-	* generated/_mod_i4.F90: Regenerated (comment change).
-	* generated/_mod_i8.F90: Regenerated (comment change).
-	* generated/_mod_r10.F90: Regenerated (comment change).
-	* generated/_mod_r16.F90: Regenerated (comment change).
-	* generated/_mod_r4.F90: Regenerated (comment change).
-	* generated/_mod_r8.F90: Regenerated (comment change).
-	* generated/_sign_i16.F90: Regenerated (comment change).
-	* generated/_sign_i4.F90: Regenerated (comment change).
-	* generated/_sign_i8.F90: Regenerated (comment change).
-	* generated/_sign_r10.F90: Regenerated (comment change).
-	* generated/_sign_r16.F90: Regenerated (comment change).
-	* generated/_sign_r4.F90: Regenerated (comment change).
-	* generated/_sign_r8.F90: Regenerated (comment change).
-	* generated/_sinh_r10.F90: Regenerated (comment change).
-	* generated/_sinh_r16.F90: Regenerated (comment change).
-	* generated/_sinh_r4.F90: Regenerated (comment change).
-	* generated/_sinh_r8.F90: Regenerated (comment change).
-	* generated/_sin_c10.F90: Regenerated (comment change).
-	* generated/_sin_c16.F90: Regenerated (comment change).
-	* generated/_sin_c4.F90: Regenerated (comment change).
-	* generated/_sin_c8.F90: Regenerated (comment change).
-	* generated/_sin_r10.F90: Regenerated (comment change).
-	* generated/_sin_r16.F90: Regenerated (comment change).
-	* generated/_sin_r4.F90: Regenerated (comment change).
-	* generated/_sin_r8.F90: Regenerated (comment change).
-	* generated/_sqrt_c10.F90: Regenerated (comment change).
-	* generated/_sqrt_c16.F90: Regenerated (comment change).
-	* generated/_sqrt_c4.F90: Regenerated (comment change).
-	* generated/_sqrt_c8.F90: Regenerated (comment change).
-	* generated/_sqrt_r10.F90: Regenerated (comment change).
-	* generated/_sqrt_r16.F90: Regenerated (comment change).
-	* generated/_sqrt_r4.F90: Regenerated (comment change).
-	* generated/_sqrt_r8.F90: Regenerated (comment change).
-	* generated/_tanh_r10.F90: Regenerated (comment change).
-	* generated/_tanh_r16.F90: Regenerated (comment change).
-	* generated/_tanh_r4.F90: Regenerated (comment change).
-	* generated/_tanh_r8.F90: Regenerated (comment change).
-	* generated/_tan_r10.F90: Regenerated (comment change).
-	* generated/_tan_r16.F90: Regenerated (comment change).
-	* generated/_tan_r4.F90: Regenerated (comment change).
-	* generated/_tan_r8.F90: Regenerated (comment change).
-
-2011-08-18  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/50109
-	* io/list_read.c (eat_separator): Fix skipping over "!" lines.
-
-2011-07-23  Andreas Schwab  <schwab@linux-m68k.org>
-
-	* intrinsics/ctime.c: Include <stdlib.h>.
-	* intrinsics/getlog.c: Likewise.
-	* runtime/stop.c: Likewise.
-
-2011-07-23  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/49791
-	* io/list_read.c (nml_parse_qualifier): Remove check to
-	enabled extended read for another case.
-
-2011-07-15  Daniel Carrera  <dcarrera@gmail.com>
-
-	* caf/mpi.c (caf_runtime_error): Change fprintf to vfprintf.
-	* caf/single.c (caf_runtime_error): Ditto.
-
-2011-07-14  Daniel Carrera  <dcarrera@gmail.com>
-
-	* caf/single.c:  Include stdarg.h header.
-	(caf_runtime_error): New function. Use "exit(EXIT_FAILURE)".
-	(_gfortran_caf_register): Use caf_runtime_error.
-	(_gfortran_caf_sync_images): Use "exit(EXIT_FAILURE)".
-	* caf/mpi.c (caf_runtime_error): Remove "error" parameter.
-	Return EXIT_FAILURE instead.
-	(_gfortran_caf_register): Update call to caf_runtime_error.
-	(_gfortran_caf_sync_all): Ditto.
-	(_gfortran_caf_sync_images): Ditto.
-	(_gfortran_caf_error_stop_str): Use "exit(EXIT_FAILURE)".
-
-2011-07-13  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/49296
-	* io/list_read.c (read_logical): Don't error out if a valid value
-	is followed by EOF instead of a normal separator.
-	(read_integer): Likewise.
-
-2011-07-09  Tobias Burnus  <burnus@net-b.de>
-
-	* runtime/error.c (sys_abort): Change argument list
-	from "()" to "(void)".
-
-2011-07-09  Tobias Burnus  <burnus@net-b.de>
-	    Daniel Carrera  <dcarrera@gmail.com>
-
-	* caf/mpi.c (runtime_error): New function.
-	(_gfortran_caf_register): Use it.
-	(_gfortran_caf_sync_all): Use it, add STAT_STOPPED_IMAGE
-	as possible status value.
-	(_gfortran_caf_sync_images): Ditto.
-
-2011-07-07  Tobias Burnus  <burnus@net-b.de>
-
-	* libcaf.h (__attribute__, unlikely, likely): New macros.
-	(caf_register_t): Update comment.
-	(_gfortran_caf_register): Add stat, errmsg, errmsg_len arguments.
-	* single.c (_gfortran_caf_register): Ditto; add error diagnostics.
-	* mpi.c (_gfortran_caf_register): Ditto.
-	(caf_is_finalized): New global variable.
-	(_gfortran_caf_finalize): Use it.
-
-2011-07-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	* runtime/memory.c (internal_malloc_size):  If size is zero,
-	allocate a single byte.
-	* m4/pack.m4 (pack_'rtype_code`):  Don't check for zero size
-	for the argument of internal_malloc_size.
-	* m4/spread.m4 (spread_'rtype_code`):  Likewise.
-	* m4/eoshift1.m4 (eoshift1):  Don't allocate twice.  Don't check
-	for zero size for the argument of internal_malloc_size.
-	* m4/eoshift3.m4: Don't check for zero size for the argument of
-	internal_malloc_size.
-	* intrinsics/pack_generic.c (pack_internal):  Likewise.
-	(pack_s_internal):  Likewise.
-	* intrinsics/cshift0.c (cshift0):  Likewise.
-	* intrinsics/spread_generic.c (spread_internal):  Likewise.
-	* intrinsics/eoshift0.c (eoshift0):  Likewise.
-	* intrinsics/eoshift2.c (eoshift2):  Likewise.
-	* generated/eoshift1_16.c: Regenerated.
-	* generated/eoshift1_4.c: Regenerated.
-	* generated/eoshift1_8.c: Regenerated.
-	* generated/eoshift3_16.c: Regenerated.
-	* generated/eoshift3_4.c: Regenerated.
-	* generated/eoshift3_8.c: Regenerated.
-	* generated/pack_c10.c: Regenerated.
-	* generated/pack_c16.c: Regenerated.
-	* generated/pack_c4.c: Regenerated.
-	* generated/pack_c8.c: Regenerated.
-	* generated/pack_i16.c: Regenerated.
-	* generated/pack_i1.c: Regenerated.
-	* generated/pack_i2.c: Regenerated.
-	* generated/pack_i4.c: Regenerated.
-	* generated/pack_i8.c: Regenerated.
-	* generated/pack_r10.c: Regenerated.
-	* generated/pack_r16.c: Regenerated.
-	* generated/pack_r4.c: Regenerated.
-	* generated/pack_r8.c: Regenerated.
-	* generated/spread_c10.c: Regenerated.
-	* generated/spread_c16.c: Regenerated.
-	* generated/spread_c4.c: Regenerated.
-	* generated/spread_c8.c: Regenerated.
-	* generated/spread_i16.c: Regenerated.
-	* generated/spread_i1.c: Regenerated.
-	* generated/spread_i2.c: Regenerated.
-	* generated/spread_i4.c: Regenerated.
-	* generated/spread_i8.c: Regenerated.
-	* generated/spread_r10.c: Regenerated.
-	* generated/spread_r16.c: Regenerated.
-	* generated/spread_r4.c: Regenerated.
-	* generated/spread_r8.c: Regenerated.
-
-2011-06-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	PR fortran/49479
-	* m4/reshape.m4: If source allocation is smaller than one, set it
-	to one.
-	* intrinsics/reshape_generic.c:  Likewise.
-	* generated/reshape_r16.c: Regenerated.
-	* generated/reshape_c4.c: Regenerated.
-	* generated/reshape_c16.c: Regenerated.
-	* generated/reshape_c8.c: Regenerated.
-	* generated/reshape_r4.c: Regenerated.
-	* generated/reshape_i4.c: Regenerated.
-	* generated/reshape_r10.c: Regenerated.
-	* generated/reshape_r8.c: Regenerated.
-	* generated/reshape_c10.c: Regenerated.
-	* generated/reshape_i8.c: Regenerated.
-	* generated/reshape_i16.c: Regenerated.
-
-2011-06-18  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/49296
-	* io/list_read.c (read_character): Accept EOF as a separator when
-	reading string.
-
-2011-06-17  Daniel Carrera  <dcarrera@gmail.com>
-
-	* caf/single.c (_gfortran_caf_register): Store the address
-	of all static coarrays in a linked list.
-	(_gfortran_caf_finalize): Free memory of staic coarrays.
-	* caf/mpi.c (_gfortran_caf_register): Store the address
-	of all static coarrays in a linked list. Initialize MPI
-	if necessary.
-	(_gfortran_caf_finalize): Free memory of staic coarrays.
-	(_gfortran_caf_init): Check if MPI is already initialized
-	before initializing again.
-	* caf/libcaf.h: Add a type to caf_register_t to distinguish
-	static coarrays and add the type caf_static_t to make the
-	linked list of static coarrays.
-
-2011-06-11  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/unix.c (buf_seek): Return error if file is not seekable.
-	(buf_tell): Call buf_seek.
-
-2011-06-11  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/unix.c (fd_to_stream): Figure out if a fd is seekable by
-	trying lseek().
-
-2011-06-10  Daniel Carrera  <dcarrera@gmail.com>
-
-	* caf/mpi.c (_gfortran_caf_sync_all,
-	_gfortran_caf_sync_images): Functions have void return type
-	and move status into parameter list.
-	* caf/single.c (_gfortran_caf_sync_all,
-	_gfortran_caf_sync_images): Functions have void return type
-	and move status into parameter list.
-	* caf/libcaf.h (_gfortran_caf_sync_all,
-	_gfortran_caf_sync_images): Functions have void return type
-	and move status into parameter list.
-
-2011-06-03  Richard Henderson  <rth@redhat.com>
-	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
-
-	* config/fpu-387.h [__sun__ && __svr4__] (sigill_hdlr): Correct
-	insn, insn size.
-	(has_sse) [!__x86_64__ && __sun__ && __svr4__]: Use movaps.
-
-2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/48931
-	* libgfortran.h (find_addr2line): New prototype.
-	* runtime/backtrace.c (show_backtrace): Use async-signal-safe
-	execve and stored path of addr2line.
-	* runtime/compile_options.c (maybe_find_addr2line): New function.
-	(set_options): Call maybe_find_addr2line if backtracing is enabled.
-	* runtime/main.c (find_addr2line): New function.
-	(init): Call find_addr2line if backtracing is enabled.
-	(cleanup): Free addr2line_path.
-
-2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/49214
-	* runtime/backtrace.c (fd_gets): Return NULL if nothing was read.
-
-2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/19155
-	* io/read.c (convert_real): Check for invalid input by comparing
-	endptr instead of EINVAL.
-	(read_f): Fixup floating point input without significand.
-
-2011-05-22  Tobias Burnus  <burnus@net-b.de>
-
-	* runtime/stop.c (stop_string,error_stop_string): Minor cleanup.
-
-2011-05-22  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/48931
-	* configure.ac: Check for backtrace_symbols_fd instead of
-	backtrace_symbols, check for readlink.
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* runtime/backtrace.c (local_strcasestr): Remove.
-	(bt_header): New function.
-	(dump_glibc_backtrace): Remove.
-	(fd_gets): New function.
-	(show_backtrace): Rework to use backtrace_symbols_fd and pipes
-	avoiding functions that are not async-signal-safe, reformat
-	output.
-	* runtime/main.c (store_exe_path): Try to check /proc/self/exe
-	first.
-
-2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>
-	    Uros Bizjak  <ubizjak@gmail.com>
-
-	PR libfortran/48977
-	* configure.host: Swap order of glibc and x86 tests.
-
-2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* config/fpu-387.h (set_fpu): Use renamed inexact macro.
-	* config/fpu-aix.h (set_fpu): Clarify error messages, use renamed
-	inexact macro, set TRP_INEXACT for inexact exception instead of
-	TRP_UNDERFLOW.
-	* config/fpu-generic.h (set_fpu): Clarify error messages, use
-	renamed inexact macro.
-	* config/fpu-glibc.h (set_fpu): Likewise.
-	* config/fpu-sysv.h (set_fpu): Likewise.
-
-2011-05-14  Tobias Burnus  <burnus@net-b.de>
-
-	* runtime/stop.c (error_stop_string, error_stop_numeric):
-	Do not backtrace for ERROR STOP.
-
-2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/48915
-	* intrinsics/abort.c (abort): Call sys_abort().
-	* io/unix.c (st_vprintf): Call sys_abort().
-	* libgfortran.h (options_t): Remove dump_core member.
-	(handler): Rename to backtrace_handler.
-	(compile_options_t): Remove dump_core member.
-	(sys_exit): Remove.
-	(sys_abort): New function.
-	* runtime/backtrace.c (show_backtrace): Print a message if
-	backtrace is not available on target, update filter symbol name
-	due to backtrace_handler renaming.
-	* runtime/compile_options.c (backtrace_handler): New
-	implementation based on example in Glibc manual.
-	(set_options): Remove dump_core handling, make signal handler
-	handle more signals.
-	(init_compile_options): Remove dump_core.
-	* runtime/environ.c (variable_table[]): Remove
-	GFORTRAN_ERROR_DUMPCORE element.
-	(show_variables): Update name, call exit().
-	* runtime/error.c (sys_exit): Remove.
-	(sys_abort): New function.
-	(recursion_check): Call sys_abort().
-	(os_error): Call exit().
-	(runtime_error): Likewise.
-	(runtime_error_at): Likewise.
-	(internal_error): Likewise.
-	(generate_error): Likewise.
-	(notify_std): Likewise.
-	* runtime/stop.c (stop_numeric): Call exit().
-	(stop_numeric_f08): Likewise.
-	(stop_string): Likewise.
-	(error_stop_string): Call sys_abort().
-	(error_stop_numeric): Print backtrace, exit with provided code.
-
-2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/unix.c (st_vprintf,st_printf): Move to runtime/error.c.
-	* libgfortran.h (struct options_t): Remove use_stderr field.
-	(st_vprintf,st_printf): Move prototypes.
-	(estr_write): New prototype.
-	* runtime/error.c (sys_exit): Use estr_write instead of st_printf.
-	(estr_write): New function.
-	(st_vprintf): Move from io/unix.c, use stack allocated buffer,
-	always output to stderr.
-	(st_printf): Move from io/unix.c.
-	(show_locus): Use a local variable instead of static.
-	(os_error): Use estr_write instead of st_printf.
-	(runtime_error): Likewise.
-	(runtime_error_at): Likewise.
-	(runtime_warning_at): Likewise.
-	(internal_error): Likewise.
-	(generate_error): Likewise.
-	(generate_warning): Likewise.
-	(notify_std): Likewise.
-	* runtime/pause.c (do_pause): Likewise.
-	(pause_string): Likewise.
-	* runtime/stop.c (stop_string): Likewise.
-	(error_stop_string): Likewise.
-	* config/fpu_aix.h (set_fpu): Likewise.
-	* config/fpu_generic.h (set_fpu): Likewise.
-	* config/fpu_glibc.h (set_fpu): Likewise.
-	* config/fpu-sysv.h (set_fpu): Likewise.
-	* runtime/backtrace.c (dump_glibc_backtrace): Likewise.
-	(show_backtrace): Likewise.
-	* runtime/environ.c (print_spaces): Likewise.
-	(show_string): Likewise.
-	(show_variables): Likewise.
-	(variable_table[]): Remove GFORTRAN_USE_STDERR entry.
-
-2011-05-14  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/48961
-	* intrinsics/execute_command_line.c (set_cmdstat): Don't abort if
-	synchronously executing with WAIT=.false.
-	(execute_command_line): Fix setting of cmdstat and exitstat.
-
-2011-05-06  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/18918
-	* caf/libcaf.h: Cleanup headers.
-	(_gfortran_caf_critical, _gfortran_caf_end_critical): Make stub.
-	(caf_register_t): New enum.
-	(_gfortran_caf_register, _gfortran_caf_deregister): New prototype.
-	* caf/single.c (_gfortran_caf_critical,
-	_gfortran_caf_end_critical): Remove.
-	(_gfortran_caf_register, _gfortran_caf_deregister): New functions.
-	* caf/mpi.c (_gfortran_caf_critical,
-	_gfortran_caf_end_critical): Remove.
-	(_gfortran_caf_register, _gfortran_caf_deregister): New functions.
-	(caf_world_window): Remove global variable.
-	(_gfortran_caf_init): Fix off-by-one error of this_image.
-
-2011-05-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48787
-	* io/write_float.def (output_float): Adjust up and down rounding for
-	cases where 'd' = 0. Gather common code to one location.
-
-2011-05-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48787
-	* io/write_float.def (output_float): Gather up integer declarations and
-	add new 'p' for scale factor. Use 'p' in place of the 'dtp' reference
-	everywhere. For ROUND_UP scan the digit string and only perform
-	rounding if something other than '0' is found.
-
-2011-04-29  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* io/unix.c (min): New macro.
-	(unpack_filename): Return errno number for errors.
-	(regular_file): Use appropriately sized buffer for path.
-	(compare_file_filename): Likewise.
-	(find_file): Likewise.
-	(delete_file): Likewise.
-	(file_exists): Likewise.
-	(file_size): Likewise.
-	(inquire_sequential): Likewise.
-	(inquire_direct): Likewise.
-	(inquire_formatted): Likewise.
-	(inquire_access): Likewise.
-
-2011-04-29  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/48488
-	* io/write.c (write_real, write_real_g0): Update comments.
-
-2011-04-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-	    Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libgfortran/48488
-	PR libgfortran/48602
-	PR libgfortran/48615
-	PR libgfortran/48684
-	PR libgfortran/48787
-	* io/write.c (write_d, write_e, write_f, write_en,
-	write_es): Add precision compemsation parameter to call.
-	(set_fnode_default): Adjust default widths to assure
-	round trip on write and read. (write_real): Adjust call to write_float.
-	(write_real_g0): Calculate compensation for extra precision and adjust
-	call to write_float.
-	* io/write_float.def (output_float_FMT_G_): Use volatile rather than
-	asm volatile to avoid optimization issue. Correctly calculate the
-	number of blanks (nb) to be appended and simplify calculation logic.
-	(write_float): Increase MIN_FIELD_WIDTH by one to accomodate the new
-	default widths. Eliminate the code that attempted to reduce the
-	the precision used in later sprintf functions.  Add call parameter to
-	compensate for extra precision.
-
-2011-04-20  Jim Meyering  <meyering@redhat.com>
-
-	* intrinsics/move_alloc.c (move_alloc): Remove useless
-	if-before-free test.
-	* io/fbuf.c (fbuf_destroy): Likewise.
-	* io/format.c (save_parsed_format): Likewise.
-	* io/open.c (already_open): Likewise.
-	* io/unit.c (free_internal_unit, close_unit_1): Likewise.
-	* io/unix.c (mem_close): Likewise.
 
-2011-04-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48602
-	* io/write_float.def (output_float_FMT_G): Fix reversal in conditional.
-	Use asm volatile to mark temp variable, avoiding optimization errors.
-
-2011-04-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48602
-	* io/write_float.def (output_float_FMT_G): Use current rounding mode
-	to set the rounding parameters. (output_float): Skip rounding
-	if value is zero.
-
-2011-04-16  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* intrinsics/date_and_time.c (date_and_time): Remove sprintf CPP
-	branch.
-	* io/format.c (format_error): Use snprintf instead of sprintf.
-	* io/list_read.c: Move snprintf fallback macro to libgfortran.h.
-	(convert_integer): Use snprintf instead of sprintf.
-	(parse_repeat): Likewise.
-	(read_logical): Likewise.
-	(read_integer): Likewise.
-	(read_character): Likewise.
-	(parse_real): Likewise.
-	(read_complex): Likewise.
-	(read_real): Likewise.
-	(check_type): Likewise.
-	(nml_parse_qualifier): Add string length argument, use snprintf
-	instead of sprintf.
-	(nml_get_obj_data): Use snprintf instead of sprintf.
-	* io/open.c (new_unit): Remove sprintf CPP branch, use snprintf
-	instead of sprintf.
-	* io/transfer.c (require_type): Use snprintf instead of sprintf.
-	* io/unix.c (tempfile): Likewise.
-	* io/write.c (nml_write_obj): Likewise.
-	* io/write_float.def (output_float): Remove sprintf CPP branch,
-	use snprintf instead of sprintf.
-	* libgfortran.h: Add fallback snprintf macro from io/list_read.c.
-	* runtime/backtrace.c (show_backtrace): Remove sprintf CPP branch.
-	* runtime/main.c (store_exe_path): Use snprintf instead of
-	sprintf.
-
-2011-04-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48589
-	* io/write_float.def (write_infnan): Set width properly for G0.
-
-2011-04-15  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/18918
-	* Makefile.am: Build and install caf/single.c as
-	libcaf_single.a.
-	* Makefile.in: Regenerate.
-
-2011-04-15  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47571
-	* configure: Regenerated.
-	* config.h.in: Regenerated.
-	* acinclude.m4: Add alpha*-dec-osf* to gthread blacklist.
-	* configure.ac: Use separate symbol for clock_gettime in librt.
-	* intrinsics/system_clock.c: Use weakrefs only when needed and
-	supported.
-
-2011-04-12  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* configure.ac: Use AC_TYPE_* to make sure we have (u)intptr_t,
-	check for ptrdiff_t.
-	* libgfortran.h: Remove (u)intptr_t definitions, use ptrdiff_t for
-	index_type, change cshift0* prototypes.
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* intrinsics/cshift0.c (cshift0): Use ptrdiff_t instead of ssize_t.
-	* io/io.h (array_loop_spec): Use index_type instead of ssize_t.
-	* io/list_read.c (nml_parse_qualifier): Likewise.
-	* io/write.c (nml_write_obj): Likewise.
-	* m4/cshift0.c (cshift0_'rtype_code`): Likewise.
-	* generated/cshift0_*.c: Regenerated.
-
-2011-04-12  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* Makefile.am: Remove _GNU_SOURCE from AM_CPPFLAGS.
-	* Makefile.in: Regenerated.
-
-2011-04-06  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/18918
-	* caf/mpi.c (_gfortran_caf_init, _gfortran_caf_finalize):
-	Add global variable caf_mpi_initialized and use it for when
-	finalizing.
-
-2011-04-04  Tobias Burnus  <burnus@net-b.de>
-
-	* unix.c: Adapt stat DEFINEs since MinGW64 supports LFS.
-	(fallback_access, open_internal4, compare_file_filename,
-	find_file, file_size, inquire_sequential, inquire_direct,
-	inquire_formatted): Use "struct stat" instead of gfstat_t.
-
-2011-03-27  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/18918
-	* caf/libcaf.h: New - coarray communication library.
-	* caf/mpi.c: New.
-	* caf/single.c: New.
-
-2011-03-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48030
-	* io/read.c (read_x): Re-implement using fbuf_getc.
-
-2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
-
-	PR bootstrap/48135
-	* configure.ac (gfortran_use_symver): Handle --disable-symvers.
-	* configure: Regenerate.
-
-2011-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
-
-	PR fortran/35667
-	* io/io.h (convert_infnan): Declare.
-	* io/read.c (convert_infnan): New.
-	(read_f): Use convert_infnan to convert INFs and NANs.
-	* list_read.c (parse_real, read_real): Likewise.
-
-2011-03-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
-
-	PR libfortran/47439
-	* io/unix.c (tempfile): Work around poor mktemp() implementations.
-
-2011-03-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
-
-	PR libfortran/47883
-	* acinclude.m4: Don't use AC_TRY_ macros.
-	* configure.ac: Likewise.
-	* configure: Regenerate.
-
-2011-03-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
-
-	PR libfortran/48066
-	* m4/ifunction.m4:  If return array is empty, return.
-	* m4/ifunction_logical.m4:  Likewise.
-	* generated/all_l16.c: Regenerated.
-	* generated/all_l1.c: Regenerated.
-	* generated/all_l2.c: Regenerated.
-	* generated/all_l4.c: Regenerated.
-	* generated/all_l8.c: Regenerated.
-	* generated/any_l16.c: Regenerated.
-	* generated/any_l1.c: Regenerated.
-	* generated/any_l2.c: Regenerated.
-	* generated/any_l4.c: Regenerated.
-	* generated/any_l8.c: Regenerated.
-	* generated/count_16_l.c: Regenerated.
-	* generated/count_1_l.c: Regenerated.
-	* generated/count_2_l.c: Regenerated.
-	* generated/count_4_l.c: Regenerated.
-	* generated/count_8_l.c: Regenerated.
-	* generated/maxloc1_16_i16.c: Regenerated.
-	* generated/maxloc1_16_i1.c: Regenerated.
-	* generated/maxloc1_16_i2.c: Regenerated.
-	* generated/maxloc1_16_i4.c: Regenerated.
-	* generated/maxloc1_16_i8.c: Regenerated.
-	* generated/maxloc1_16_r10.c: Regenerated.
-	* generated/maxloc1_16_r16.c: Regenerated.
-	* generated/maxloc1_16_r4.c: Regenerated.
-	* generated/maxloc1_16_r8.c: Regenerated.
-	* generated/maxloc1_4_i16.c: Regenerated.
-	* generated/maxloc1_4_i1.c: Regenerated.
-	* generated/maxloc1_4_i2.c: Regenerated.
-	* generated/maxloc1_4_i4.c: Regenerated.
-	* generated/maxloc1_4_i8.c: Regenerated.
-	* generated/maxloc1_4_r10.c: Regenerated.
-	* generated/maxloc1_4_r16.c: Regenerated.
-	* generated/maxloc1_4_r4.c: Regenerated.
-	* generated/maxloc1_4_r8.c: Regenerated.
-	* generated/maxloc1_8_i16.c: Regenerated.
-	* generated/maxloc1_8_i1.c: Regenerated.
-	* generated/maxloc1_8_i2.c: Regenerated.
-	* generated/maxloc1_8_i4.c: Regenerated.
-	* generated/maxloc1_8_i8.c: Regenerated.
-	* generated/maxloc1_8_r10.c: Regenerated.
-	* generated/maxloc1_8_r16.c: Regenerated.
-	* generated/maxloc1_8_r4.c: Regenerated.
-	* generated/maxloc1_8_r8.c: Regenerated.
-	* generated/maxval_i16.c: Regenerated.
-	* generated/maxval_i1.c: Regenerated.
-	* generated/maxval_i2.c: Regenerated.
-	* generated/maxval_i4.c: Regenerated.
-	* generated/maxval_i8.c: Regenerated.
-	* generated/maxval_r10.c: Regenerated.
-	* generated/maxval_r16.c: Regenerated.
-	* generated/maxval_r4.c: Regenerated.
-	* generated/maxval_r8.c: Regenerated.
-	* generated/minloc1_16_i16.c: Regenerated.
-	* generated/minloc1_16_i1.c: Regenerated.
-	* generated/minloc1_16_i2.c: Regenerated.
-	* generated/minloc1_16_i4.c: Regenerated.
-	* generated/minloc1_16_i8.c: Regenerated.
-	* generated/minloc1_16_r10.c: Regenerated.
-	* generated/minloc1_16_r16.c: Regenerated.
-	* generated/minloc1_16_r4.c: Regenerated.
-	* generated/minloc1_16_r8.c: Regenerated.
-	* generated/minloc1_4_i16.c: Regenerated.
-	* generated/minloc1_4_i1.c: Regenerated.
-	* generated/minloc1_4_i2.c: Regenerated.
-	* generated/minloc1_4_i4.c: Regenerated.
-	* generated/minloc1_4_i8.c: Regenerated.
-	* generated/minloc1_4_r10.c: Regenerated.
-	* generated/minloc1_4_r16.c: Regenerated.
-	* generated/minloc1_4_r4.c: Regenerated.
-	* generated/minloc1_4_r8.c: Regenerated.
-	* generated/minloc1_8_i16.c: Regenerated.
-	* generated/minloc1_8_i1.c: Regenerated.
-	* generated/minloc1_8_i2.c: Regenerated.
-	* generated/minloc1_8_i4.c: Regenerated.
-	* generated/minloc1_8_i8.c: Regenerated.
-	* generated/minloc1_8_r10.c: Regenerated.
-	* generated/minloc1_8_r16.c: Regenerated.
-	* generated/minloc1_8_r4.c: Regenerated.
-	* generated/minloc1_8_r8.c: Regenerated.
-	* generated/minval_i16.c: Regenerated.
-	* generated/minval_i1.c: Regenerated.
-	* generated/minval_i2.c: Regenerated.
-	* generated/minval_i4.c: Regenerated.
-	* generated/minval_i8.c: Regenerated.
-	* generated/minval_r10.c: Regenerated.
-	* generated/minval_r16.c: Regenerated.
-	* generated/minval_r4.c: Regenerated.
-	* generated/minval_r8.c: Regenerated.
-	* generated/product_c10.c: Regenerated.
-	* generated/product_c16.c: Regenerated.
-	* generated/product_c4.c: Regenerated.
-	* generated/product_c8.c: Regenerated.
-	* generated/product_i16.c: Regenerated.
-	* generated/product_i1.c: Regenerated.
-	* generated/product_i2.c: Regenerated.
-	* generated/product_i4.c: Regenerated.
-	* generated/product_i8.c: Regenerated.
-	* generated/product_r10.c: Regenerated.
-	* generated/product_r16.c: Regenerated.
-	* generated/product_r4.c: Regenerated.
-	* generated/product_r8.c: Regenerated.
-	* generated/sum_c10.c: Regenerated.
-	* generated/sum_c16.c: Regenerated.
-	* generated/sum_c4.c: Regenerated.
-	* generated/sum_c8.c: Regenerated.
-	* generated/sum_i16.c: Regenerated.
-	* generated/sum_i1.c: Regenerated.
-	* generated/sum_i2.c: Regenerated.
-	* generated/sum_i4.c: Regenerated.
-	* generated/sum_i8.c: Regenerated.
-	* generated/sum_r10.c: Regenerated.
-	* generated/sum_r16.c: Regenerated.
-	* generated/sum_r4.c: Regenerated.
-	* generated/sum_r8.c: Regenerated.
-
-2011-03-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/48047
-	* io/write_float.def (write_float): Change MIN_FIELD_WIDTH to 48.
-
-2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47802
-	* intrinsics/ctime.c (strctime): Use builtins to check localtime_r
-	return type.
-
-2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47802
-	* intrinsics/ctime.c (strctime): Don't use return value of
-	localtime_r.
-
-2011-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47567
-	* io/write_float.def (output_float): Move handling of w = 0 to after
-	output rounding. Check for zero and set zero_flag accordingly. Set
-	width according to zero_flag. Add better comments.
-
-2011-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47778
-	* io/list_read.c (namelist_read): Intialize the error string buffere.
-	If pprev_nl was used during the previous namelist read and the rank
-	was zero, reset the pointer to NULL for the next namelist read.
-
-2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
-
-	PR libfortran/45165
-	* unix.c (fallback_access): Fix file descriptor leaks.
-
-2011-02-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
-
-	* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): Set shell variable
-	tested in configure.host.
-	* configure: Regenerate.
-
-2011-02-24  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47802
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* configure.ac: Remove checks for ctime and ctime_r, add check for
-	strftime.
-	* intrinsics/date_and_time.c (localtime_r): Move fallback
-	implementation to time_1.h.
-	* intrinsics/time_1.h (localtime_r): Fallback implementation.
-	* intrinsics/ctime.c: Include time_1.h.
-	(ctime_r): Remove fallback implementation.
-	(strctime): New function.
-	(fdate): Use strctime instead of ctime_r.
-	(fdate_sub): Likewise.
-	(ctime): Likewise.
-	(ctime_sub): Likewise.
-
-2011-02-24  Jakub Jelinek  <jakub@redhat.com>
-
-	PR fortran/47878
-	* io/transfer.c (read_sf): Call fbuf_getptr only at the end,
-	and subtract n, dtp->u.p.sf_seen_eor and seen_comma from it.
-
-2011-02-24  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47802
-	* configure.ac: Add test for POSIX getpwuid_r.
-	* intrinsics/getlog.c (getlog): CPP test for
-	HAVE_POSIX_GETPWUID_R.
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-
-2011-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47567
-	* io/write_float.def (output_float): Remove special case handling of
-	zero with width 1.
-
-2011-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
-	    Jerry DeLisle    <jvdelisle@gcc.gnu.org>
-
-	PR libfortran/47694
-	* io/fbuf.h (fbuf_getptr): New inline function.
-	* io/transfer.c (read_sf): Use fbuf_getptr and fbuf_getc to scan
-	through the string instead of fbuf_read.
-
-2011-02-22  Tobias Burnus  <burnus@net-b.de>
-	    Kai-Uwe Eckhardt  <kuehro@gmx.de>
-
-	PR libfortran/47830
-	* intrinsics/c99_functions.c (roundl): Make C valid for
-	HAVE_NEXTAFTERL.
-
-2011-02-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47567
-	* io/write_float.def (output_float): Adjust width for F0.d to
-	allow space for negative signs on zero.
-
-2011-02-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47667
-	* io/list_read.c (read_logical): Check for end of line before calling
-	eat_line. (read_integer): Likewise. (parse_real): Don't unget the
-	separator. Check for end of line before calling	eat_line.
-	(read_complex): Allow line-end before and after parenthesis and comma.
-	Check for end of line before calling eat_line. (read_real): Check for
-	end of line before calling eat_line.
-
-2011-02-16  Jakub Jelinek  <jakub@redhat.com>
-
-	PR libfortran/47757
-	* gfortran.map (GFORTRAN_1.4): Export
-	_gfortran_{m,s}i{all,any,parity}_i{1,2,4,8,16} and
-	_gfortran_{cshift0,eoshift{0,2}}_16_char4.
-
-2011-02-15  Tobias Burnus  <burnus@net-b.de>
-
-	PR fortran/47716
-	PR fortran/47648
-	* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Use check from
-	libquadmath, which uses more features.
-	* configure: Regenerate.
-
-2011-02-14  Jakub Jelinek  <jakub@redhat.com>
-
-	PR fortran/47642
-	* io/write_float.def (DTOAQ): Use quadmath_snprintf instead of
-	quadmath_flt128tostr.
-	* io/transfer128.c (tmp2): Initialize to quadmath_snprintf instead
-	of quadmath_flt128tostr.
-
-2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
-
-	* Makefile.in: Regenerate.
-	* aclocal.m4: Likewise.
-	* configure: Likewise.
-
-2011-02-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47567
-	* io/write_float.def (output_float): Eliminate some redundant code.
-	Adjust width for case of F0.X for values of zero and all other values.
-	Expand cases where '*' is set to give cleaner results.
-
-2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47571
-	* intrinsics/time_1.h (GF_CLOCK_MONOTONIC): Move to system_clock.c.
-	(weak_gettime): Likewise.
-	(gf_gettime): Change API, move weak_gettime() usage to
-	system_clock.c
-	* intrinsics/system_clock.c (GTHREAD_USE_WEAK): Define.
-	(gf_gettime_mono): New function.
-	(system_clock_4): Use gf_gettime_mono().
-	(system_clock_8): Likewise.
-	* intrinsics/date_and_time.c (date_and_time): Update gf_gettime()
-	usage.
-
-2011-02-02  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47571
-	* configure: Regenerated.
-	* configure.ac: Don't add librt to LIBS.
-	* intrinsics/time_1.h (weak_gettime): Weakref trickery for
-	clock_gettime().
-	(gf_gettime): Use weak_gettime() instead of clock_gettime().
-
-2011-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* intrinsics/time_1.h: Include errno.h needed by fallbacks.
-
-2011-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* intrinsics/time_1.h: Fix definition of GF_CLOCK_MONOTONIC macro.
-
-2011-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	* configure.ac: Check for clock_gettime().
-	* configure: Regenerated.
-	* config.h.in: Regenerated.
-	* intrinsics/time_1.h (__time_1): Rename to gf_cputime, add
-	times() fallback.
-	(gf_gettime): New function.
-	* intrinsics/cpu_time.c (__cpu_time_1): Update to call gf_cputime.
-	* intrinsics/date_and_time.c (date_and_time): Use gf_gettime.
-	* intrinsics/dtime.c (dtime_sub): Use gf_cputime.
-	* intrinsics/etime.c (etime_sub): Use gf_cputime.
-	* intrinsics/system_clock.c (system_clock_4): Use gf_gettime.
-	(system_clock_8): Use gf_gettime, increase count rate to allow
-	nanosecond precision, remove overflow prone branch.
-
-2011-01-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47434
-	* io/write_float.def (write_infnan): Use calculate_sign to determine
-	if the sign should be given and check field widths accordingly.
-
-2011-01-29  Kai Tietz  <kai.tietz@onevision.com>
-
-	* intrinsics/ctime.c (ctime_r): Improve implementation.
-
-2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47431
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* configure.ac: Add check for ctime_r().
-	* intrinsics/ctime.c (ctime_r): Fallback implementation.
-	(fdate): Use ctime_r() instead of ctime().
-	(fdate_sub): Likewise.
-	(ctime): Likewise.
-	(ctime_sub): Likewise.
-
-2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47432
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* configure.ac: Add check for ttyname_r.
-	* io/unix.h: Add TTY_NAME_MAX, change stream_ttyname prototype.
-	* io/unix.c (stream_ttyname): Use ttyname_r if available, conform
-	to new prototype.
-	* io/inquire.c (inquire_via_unit): Use changed stream_ttyname.
-	* io/intrinsics.c (ttynam_sub): Likewise.
-	(ttynam): Likewise.
-
-2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47491
-	* configure.ac: Call AC_USE_SYSTEM_EXTENSIONS to enable common
-	extensions.
-	* config.h.in: Regenerate.
-	* configure: Regenerate.
-
-2011-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47285
-	* io/write_float.def (write_infnan): Adjust processor selected width
-	to 3 if NaN.
-
-2011-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47285
-	* io/write_float.def (output_float): Return SUCCESS or FAILURE and use
-	the result to set the padding.
-
-2011-01-26  Kai Tietz  <kai.tietz@onevision.com>
-
-	* intrinsics/getlog.c (getlog): Fix label/statement issue.
-
-2011-01-25  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47375
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* configure.ac: Add check for getpwuid_r.
-	* intrinsics/getlog.c (getlog): Use getpwuid_r() if available.
-
-2011-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/46267
-	* config.h.in: Regenerated.
-	* configure: Regenerated.
-	* configure.ac: Check presence of strerror_r.
-	* intrinsics/gerror.c (gerror): Use gf_strerror, modify logic.
-	* io/unix.c (get_oserror): Remove.
-	* libgfortran.h (gf_strerror): Add prototype.
-	(get_oserror): Remove prototype.
-	* runtime/error.c (gf_strerror): New function.
-	(os_error): Use gf_strerror instead of get_oserror.
-	(generate_errror): Likewise.
-
-2011-01-17  Janne Blomqvist  <jb@gcc.gnu.org>
-
-	PR libfortran/47296
-	* io/unix.c (tempfile): Set opp->file and opp->file_len also if an
-	error occurs.
-
-2011-01-16  Jakub Jelinek  <jakub@redhat.com>
-
-	PR fortran/46625
-	* io/write_float.def (DTOAQ): Use quadmath_flt128tostr
-	instead of quadmath_dtoa.
-	* io/transfer128.c (tmp1, tmp2): New variables, bring in
-	strtoflt128 and quadmath_flt128tostr.
-	(transfer_real128, transfer_real128_write, transfer_complex128,
-	transfer_complex128_write): Remove tmp1/tmp2 variables.
-	* io/read.c (convert_real): Use strtoflt128 instead of
-	quadmath_strtopQ, adjust for the changed arguments and return
-	value.
-
-2011-01-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47296
-	* io/unix.c (unpack_filename): Return non-zero if the filename passed
-	in is NULL.
-
-2011-01-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
-
-	PR libgfortran/47154
-	* io/list_read.c (namelist_read): Remove calls to hit_eof to avoid the
-	duplicate calls via next_record.
+2012-01-06  Tobias Burnus <burnus@net-b.de>
 
+	* caf/single.c (_gfortran_caf_register, _gfortran_caf_deregister):
+	Fix token handling.
+	* caf/mpi.c  (_gfortran_caf_register, _gfortran_caf_deregister): Ditto.
+	* caf/libcaf.h (STAT_STOPPED_IMAGE): Sync with libgfortran.h.
+	(_gfortran_caf_register, _gfortran_caf_deregister): Update prototype.
 
-Copyright (C) 2011 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/libgfortran/ChangeLog-2011 b/libgfortran/ChangeLog-2011
new file mode 100644
index 00000000000..f516bad1049
--- /dev/null
+++ b/libgfortran/ChangeLog-2011
@@ -0,0 +1,1485 @@
+2011-12-22  Janne Blomqvist  <jb@gcc.gnu.org>
+	Tobias Burnus  <burnus@net-b.de>
+
+	PR libfortran/51646
+	* acinclude.m4 (LIBGFOR_CHECK_UNLINK_OPEN_FILE): Use POSIX mode
+	flags, omit mode argument when flags argument does not have
+	O_CREAT.
+	* io/unix.c (tempfile): Use POSIX mode flags.
+	* configure: Regenerate.
+
+2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
+
+	* configure: Regenerate.
+
+2011-11-11  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/51090
+	* runtime/main.c (find_addr2line): NULL check before proceeding.
+
+2011-11-10  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/cpu_time.c (__cpu_time_1): Don't force inlining.
+	* intrinsics/random.c (rnumber_4): Remove inline attribute.
+	(rnumber_8, rnumber_10, rnumber_16): Likewise.
+	* intrinsics/system_clock.c (gf_gettime_mono): Likewise.
+	* intrinsics/time_1.h (ATTRIBUTE_ALWAYS_INLINE): Remove macro.
+	(gf_cputime): Add inline attribute for MingW version.
+	* io/format.c (format_hash): Remove inline attribute.
+	* io/io.h (memset4): Inline function from transfer.c and write.c
+	moved here.
+	* io/transfer.c (min_off): Remove inline attribute.
+	(memset4): Move to io.h.
+	* io/write.c (memset4): Likewise.
+	(memcpy4): Remove inline attribute.
+	* io/write_float.def (calculate_exp): Likewise.
+
+2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/time_1.h (gf_gettime): Simplify time() usage.
+
+2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* configure.ac (AC_STDC_HEADERS): Remove.
+	(AC_HEADER_TIME): Remove.
+	(AC_HAVE_HEADERS, AC_CHECK_HEADERS): Move into a single invocation
+	of AC_CHECK_HEADERS_ONCE, don't check for presence of C89 headers.
+	(AC_CHECK_MEMBERS): Use single invocation.
+	(AC_CHECK_FUNCS): Move into single invocation of
+	AC_CHEC_FUNCS_ONCE, don't check for presence of C89 functions.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+	* intrinsics/clock.c: Include time.h.
+	(mclock): Assume clock() is present.
+	(mclock8): Likewise.
+	* intrinsics/ctime.c (strctime): Assume strftime is present.
+	(fdate): Assume time() is present.
+	(fdate_sub): Likewise.
+	(ctime): Likewise.
+	* intrinsics/date_and_time.c: Don't provide abs macro.
+	(HAVE_NO_DATE_TIME): Remove code related to macro which is never
+	set.
+	* intrinsics/execute_command_line.c: Assume stdlib.h is present.
+	* intrinsics/exit.c: Likewise.
+	* intrinsics/extends_type_of.c: Likewise.
+	* intrinsics/gerror.c: Assume strerror() is present.
+	* intrinsics/kill.c: Assume signal.h is present.
+	* intrinsics/malloc.c: Assume stdlib.h is present.
+	* intrinsics/move_alloc.c: Likewise.
+	* intrinsics/perror.c: Assume perror() is present.
+	* intrinsics/signal.c: Assume signal.h is present.
+	* intrinsics/stat.c: Assume stdlib.h is present.
+	* intrinsics/system.c: Likewise.
+	* intrinsics/time.c: Include time.h, assume time() is present.
+	* intrinsics/time_1.h: Conditionally include sys/time.h,
+	unconditionally time.h.
+	(gf_cputime): Do division in double, fallback using clock().
+	(gf_gettime): Assume time() is present.
+	* intrinsics/umask.c: Assume stdlib.h is present.
+	* runtime/backtrace.c: Likewise.
+	* runtime/compile_options.c: Assume signal.h is present, assume
+	C89 signals are present.
+	* runtime/error.c: Assume signal.h and stdlib.h are present.
+
+2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR fortran/46686
+	* runtime/backtrace.c (show_backtrace): Fix incorrect comment.
+
+2011-11-09  Tobias Burnus  <burnus@net-b.de>
+
+	* configure.ac: Make more cross-compile friendly.
+	* Makefile.in: Regenerate.
+	* aclocal.m4: Regenerate.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+
+2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR fortran/46686
+	* configure.ac: Don't check execinfo.h, backtrace,
+	backtrace_symbols_fd. Check execve instead of execvp. Call
+	GCC_CHECK_UNWIND_GETIPINFO.
+	* runtime/backtrace.c: Don't include unused headers, include
+	limits.h and unwind.h.
+	(CAN_FORK): Check execve instead of execvp.
+	(GLIBC_BACKTRACE): Remove.
+	(bt_header): Conform to gdb backtrace format.
+	(struct bt_state): New struct.
+	(trace_function): New function.
+	(show_backtrace): Use _Unwind_Backtrace from libgcc instead of
+	glibc backtrace functions.
+	* Makefile.in: Regenerated.
+	* aclocal.m4: Regenerated.
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+
+2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/50016
+	* io/inquire.c (inquire_via_unit): Flush the unit and use ssize.
+	* io/unix.c (buf_flush): Don't call _commit.
+
+2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/47972
+	* runtime/error.c (gf_strerror): Silence warning.
+
+2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/47972
+	* runtime/error.c (gf_strerror): Silence warning.
+
+2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/47970
+	* intrinsics/c99_functions.c (round): Move higher in the file.
+
+2011-11-07  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/45723
+	* io/open.c (new_unit): Don't check file size before attempting
+	seek.
+
+2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* Makefile.am (AM_CPPFLAGS): Add
+	-I$(srcdir)/$(MULTISRCTOP)../libgcc, -I$(MULTIBUILDTOP)../libgcc.
+	* Makefile.in: Regenerate.
+	* acinclude.m4 (LIBGFOR_CHECK_GTHR_DEFAULT): Remove.
+	* configure.ac (LIBGFOR_CHECK_GTHR_DEFAULT): Likewise.
+	* configure: Regenerate.
+	* config.h.in: Regenerate.
+
+2011-11-01  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/io.h (next_available_newunit): Remove prototype.
+	* io/unit.h (next_available_newunit): Make variable static,
+	initialize it.
+	(init_units): Don't initialize next_available_newunit.
+	(get_unique_unit_number): Use atomic builtin if available.
+
+2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/inquire.c (inquire_via_unit): Check whether we're at the
+	beginning or end if the position is unspecified. If the position
+	is not one of the 3 standard ones, return unspecified.
+	* io/io.h (update_position): Remove prototype.
+	* io/transfer.c (next_record): Set the position to unspecified,
+	letting inquire figure it out more exactly when needed.
+	* io/unit.c (update_position): Remove function.
+
+2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.h (struct stream): Add size function pointer.
+	(ssize): New inline function.
+	(file_length): Remove prototype.
+	* io/unix.c (raw_size): New function.
+	(raw_init): Initialize st.size pointer.
+	(buf_size): New function.
+	(buf_init): Initialize st.size pointer.
+	(open_internal): Likewise.
+	(open_internal4): Likewise.
+	(file_length): Remove function.
+	* io/file_pos.c (st_rewind): Use ssize instead of file_length.
+	* io/open.c (test_endfile): Likewise.
+	* io/transfer.c (data_transfer_init): Likewise.
+	(next_record_r): Likewise.
+	(next_record_w): Likewise.
+	* io/unit.c (update_position): Likewise.
+
+2011-10-31  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/file_pos.c (st_rewind): Handle regular and special files
+	identically.
+	* io/intrinsics.c (fseek_sub): Don't check whether we think the
+	file is seekable, just do what the caller says.
+	* io/transfer.c (skip_record): First try to seek, then fallback to
+	reading and throwing away what we read.
+	* io/unit.c (update_position): Don't check whether file is
+	seekable, just try to do what we're told.
+	(unit_truncate): Likewise.
+	* io/unix.c (struct unix_stream): Remove special_file flag.
+	(buf_flush): Remove code for handling unseekable files.
+	(buf_seek): Likewise.
+	(fd_to_stream): Use buffered IO only for regular files.
+	(file_length): Remove is_seekable() call.
+	(is_seekable): Remove function.
+	(is_special): Likewise.
+	* io/unix.h: Remove prototypes for is_seekable and is_special.
+
+2011-09-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/49479
+	* generated/m4/ifunction.m4:  Always call internal_malloc_size
+	even when there is a zero-sized return array.
+	* generated/generated/maxloc1_16_i16.c: Regenerated.
+	* generated/generated/maxloc1_16_i1.c: Regenerated.
+	* generated/generated/maxloc1_16_i2.c: Regenerated.
+	* generated/generated/maxloc1_16_i4.c: Regenerated.
+	* generated/generated/maxloc1_16_i8.c: Regenerated.
+	* generated/generated/maxloc1_16_r10.c: Regenerated.
+	* generated/generated/maxloc1_16_r16.c: Regenerated.
+	* generated/generated/maxloc1_16_r4.c: Regenerated.
+	* generated/generated/maxloc1_16_r8.c: Regenerated.
+	* generated/generated/maxloc1_4_i16.c: Regenerated.
+	* generated/generated/maxloc1_4_i1.c: Regenerated.
+	* generated/generated/maxloc1_4_i2.c: Regenerated.
+	* generated/generated/maxloc1_4_i4.c: Regenerated.
+	* generated/generated/maxloc1_4_i8.c: Regenerated.
+	* generated/generated/maxloc1_4_r10.c: Regenerated.
+	* generated/generated/maxloc1_4_r16.c: Regenerated.
+	* generated/generated/maxloc1_4_r4.c: Regenerated.
+	* generated/generated/maxloc1_4_r8.c: Regenerated.
+	* generated/generated/maxloc1_8_i16.c: Regenerated.
+	* generated/generated/maxloc1_8_i1.c: Regenerated.
+	* generated/generated/maxloc1_8_i2.c: Regenerated.
+	* generated/generated/maxloc1_8_i4.c: Regenerated.
+	* generated/generated/maxloc1_8_i8.c: Regenerated.
+	* generated/generated/maxloc1_8_r10.c: Regenerated.
+	* generated/generated/maxloc1_8_r16.c: Regenerated.
+	* generated/generated/maxloc1_8_r4.c: Regenerated.
+	* generated/generated/maxloc1_8_r8.c: Regenerated.
+	* generated/generated/maxval_i16.c: Regenerated.
+	* generated/generated/maxval_i1.c: Regenerated.
+	* generated/generated/maxval_i2.c: Regenerated.
+	* generated/generated/maxval_i4.c: Regenerated.
+	* generated/generated/maxval_i8.c: Regenerated.
+	* generated/generated/maxval_r10.c: Regenerated.
+	* generated/generated/maxval_r16.c: Regenerated.
+	* generated/generated/maxval_r4.c: Regenerated.
+	* generated/generated/maxval_r8.c: Regenerated.
+	* generated/generated/minloc1_16_i16.c: Regenerated.
+	* generated/generated/minloc1_16_i1.c: Regenerated.
+	* generated/generated/minloc1_16_i2.c: Regenerated.
+	* generated/generated/minloc1_16_i4.c: Regenerated.
+	* generated/generated/minloc1_16_i8.c: Regenerated.
+	* generated/generated/minloc1_16_r10.c: Regenerated.
+	* generated/generated/minloc1_16_r16.c: Regenerated.
+	* generated/generated/minloc1_16_r4.c: Regenerated.
+	* generated/generated/minloc1_16_r8.c: Regenerated.
+	* generated/generated/minloc1_4_i16.c: Regenerated.
+	* generated/generated/minloc1_4_i1.c: Regenerated.
+	* generated/generated/minloc1_4_i2.c: Regenerated.
+	* generated/generated/minloc1_4_i4.c: Regenerated.
+	* generated/generated/minloc1_4_i8.c: Regenerated.
+	* generated/generated/minloc1_4_r10.c: Regenerated.
+	* generated/generated/minloc1_4_r16.c: Regenerated.
+	* generated/generated/minloc1_4_r4.c: Regenerated.
+	* generated/generated/minloc1_4_r8.c: Regenerated.
+	* generated/generated/minloc1_8_i16.c: Regenerated.
+	* generated/generated/minloc1_8_i1.c: Regenerated.
+	* generated/generated/minloc1_8_i2.c: Regenerated.
+	* generated/generated/minloc1_8_i4.c: Regenerated.
+	* generated/generated/minloc1_8_i8.c: Regenerated.
+	* generated/generated/minloc1_8_r10.c: Regenerated.
+	* generated/generated/minloc1_8_r16.c: Regenerated.
+	* generated/generated/minloc1_8_r4.c: Regenerated.
+	* generated/generated/minloc1_8_r8.c: Regenerated.
+	* generated/generated/minval_i16.c: Regenerated.
+	* generated/generated/minval_i1.c: Regenerated.
+	* generated/generated/minval_i2.c: Regenerated.
+	* generated/generated/minval_i4.c: Regenerated.
+	* generated/generated/minval_i8.c: Regenerated.
+	* generated/generated/minval_r10.c: Regenerated.
+	* generated/generated/minval_r16.c: Regenerated.
+	* generated/generated/minval_r4.c: Regenerated.
+	* generated/generated/minval_r8.c: Regenerated.
+	* generated/generated/product_c10.c: Regenerated.
+	* generated/generated/product_c16.c: Regenerated.
+	* generated/generated/product_c4.c: Regenerated.
+	* generated/generated/product_c8.c: Regenerated.
+	* generated/generated/product_i16.c: Regenerated.
+	* generated/generated/product_i1.c: Regenerated.
+	* generated/generated/product_i2.c: Regenerated.
+	* generated/generated/product_i4.c: Regenerated.
+	* generated/generated/product_i8.c: Regenerated.
+	* generated/generated/product_r10.c: Regenerated.
+	* generated/generated/product_r16.c: Regenerated.
+	* generated/generated/product_r4.c: Regenerated.
+	* generated/generated/product_r8.c: Regenerated.
+	* generated/generated/sum_c10.c: Regenerated.
+	* generated/generated/sum_c16.c: Regenerated.
+	* generated/generated/sum_c4.c: Regenerated.
+	* generated/generated/sum_c8.c: Regenerated.
+	* generated/generated/sum_i16.c: Regenerated.
+	* generated/generated/sum_i1.c: Regenerated.
+	* generated/generated/sum_i2.c: Regenerated.
+	* generated/generated/sum_i4.c: Regenerated.
+	* generated/generated/sum_i8.c: Regenerated.
+	* generated/generated/sum_r10.c: Regenerated.
+	* generated/generated/sum_r16.c: Regenerated.
+	* generated/generated/sum_r4.c: Regenerated.
+	* generated/generated/sum_r8.c: Regenerated.
+
+2011-09-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	* generated/bessel_r4.c: Regenerated.
+	* generated/bessel_r8.c: Regenerated.
+	* generated/bessel_r10.c: Regenerated.
+	* generated/bessel_r16.c: Regenerated.
+
+2011-08-29  Tobias Burnus  <burnus@net-b.de>
+
+	* caf/libcaf.h (_gfortran_caf_deregister): Update prototype.
+	* caf/mpi.c (_gfortran_caf_deregister): Modify prototype,
+	actually free memory and add error diagnostic.
+	(_gfortran_caf_finalize): Add additional free calls.
+	* caf/single.c (_gfortran_caf_deregister): Modify prototype,
+	actually free memory and add error diagnostic.
+	(_gfortran_caf_finalize): Add additional free calls.
+
+2011-08-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR libfortran/50192
+	* intrinsics/string_intrinsics.c (memcmp_char4):  New function.
+	* intrinsics/string_intrinsics_inc.c:  New macro MEMCMP, either
+	set to memcmp or memcmp_char4.
+	(compare_string):  Use MEMCMP, with correct size for it.
+	* libgfortran.h:  Add prototype for memcmp_char4.
+
+2011-08-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/40866
+	* generated/iall_i1.c: Regenerated.
+	* generated/iall_i16.c: Regenerated.
+	* generated/iall_i2.c: Regenerated.
+	* generated/iall_i4.c: Regenerated.
+	* generated/iall_i8.c: Regenerated.
+	* generated/iany_i1.c: Regenerated.
+	* generated/iany_i16.c: Regenerated.
+	* generated/iany_i2.c: Regenerated.
+	* generated/iany_i4.c: Regenerated.
+	* generated/iany_i8.c: Regenerated.
+	* generated/iparity_i1.c: Regenerated.
+	* generated/iparity_i16.c: Regenerated.
+	* generated/iparity_i2.c: Regenerated.
+	* generated/iparity_i4.c: Regenerated.
+	* generated/iparity_i8.c: Regenerated.
+	* generated/norm2_r10.c: Regenerated.
+	* generated/norm2_r16.c: Regenerated.
+	* generated/norm2_r4.c: Regenerated.
+	* generated/norm2_r8.c: Regenerated.
+	* generated/parity_l1.c: Regenerated.
+	* generated/parity_l16.c: Regenerated.
+	* generated/parity_l2.c: Regenerated.
+	* generated/parity_l4.c: Regenerated.
+	* generated/parity_l8.c: Regenerated.
+	* generated/misc_specifics.F90: Regenerated (comment change).
+	* generated/_abs_c10.F90: Regenerated (comment change).
+	* generated/_abs_c16.F90: Regenerated (comment change).
+	* generated/_abs_c4.F90: Regenerated (comment change).
+	* generated/_abs_c8.F90: Regenerated (comment change).
+	* generated/_abs_i16.F90: Regenerated (comment change).
+	* generated/_abs_i4.F90: Regenerated (comment change).
+	* generated/_abs_i8.F90: Regenerated (comment change).
+	* generated/_abs_r10.F90: Regenerated (comment change).
+	* generated/_abs_r16.F90: Regenerated (comment change).
+	* generated/_abs_r4.F90: Regenerated (comment change).
+	* generated/_abs_r8.F90: Regenerated (comment change).
+	* generated/_acosh_r10.F90: Regenerated (comment change).
+	* generated/_acosh_r16.F90: Regenerated (comment change).
+	* generated/_acosh_r4.F90: Regenerated (comment change).
+	* generated/_acosh_r8.F90: Regenerated (comment change).
+	* generated/_acos_r10.F90: Regenerated (comment change).
+	* generated/_acos_r16.F90: Regenerated (comment change).
+	* generated/_acos_r4.F90: Regenerated (comment change).
+	* generated/_acos_r8.F90: Regenerated (comment change).
+	* generated/_aimag_c10.F90: Regenerated (comment change).
+	* generated/_aimag_c16.F90: Regenerated (comment change).
+	* generated/_aimag_c4.F90: Regenerated (comment change).
+	* generated/_aimag_c8.F90: Regenerated (comment change).
+	* generated/_aint_r10.F90: Regenerated (comment change).
+	* generated/_aint_r16.F90: Regenerated (comment change).
+	* generated/_aint_r4.F90: Regenerated (comment change).
+	* generated/_aint_r8.F90: Regenerated (comment change).
+	* generated/_anint_r10.F90: Regenerated (comment change).
+	* generated/_anint_r16.F90: Regenerated (comment change).
+	* generated/_anint_r4.F90: Regenerated (comment change).
+	* generated/_anint_r8.F90: Regenerated (comment change).
+	* generated/_asinh_r10.F90: Regenerated (comment change).
+	* generated/_asinh_r16.F90: Regenerated (comment change).
+	* generated/_asinh_r4.F90: Regenerated (comment change).
+	* generated/_asinh_r8.F90: Regenerated (comment change).
+	* generated/_asin_r10.F90: Regenerated (comment change).
+	* generated/_asin_r16.F90: Regenerated (comment change).
+	* generated/_asin_r4.F90: Regenerated (comment change).
+	* generated/_asin_r8.F90: Regenerated (comment change).
+	* generated/_atan2_r10.F90: Regenerated (comment change).
+	* generated/_atan2_r16.F90: Regenerated (comment change).
+	* generated/_atan2_r4.F90: Regenerated (comment change).
+	* generated/_atan2_r8.F90: Regenerated (comment change).
+	* generated/_atanh_r10.F90: Regenerated (comment change).
+	* generated/_atanh_r16.F90: Regenerated (comment change).
+	* generated/_atanh_r4.F90: Regenerated (comment change).
+	* generated/_atanh_r8.F90: Regenerated (comment change).
+	* generated/_atan_r10.F90: Regenerated (comment change).
+	* generated/_atan_r16.F90: Regenerated (comment change).
+	* generated/_atan_r4.F90: Regenerated (comment change).
+	* generated/_atan_r8.F90: Regenerated (comment change).
+	* generated/_conjg_c10.F90: Regenerated (comment change).
+	* generated/_conjg_c16.F90: Regenerated (comment change).
+	* generated/_conjg_c4.F90: Regenerated (comment change).
+	* generated/_conjg_c8.F90: Regenerated (comment change).
+	* generated/_cosh_r10.F90: Regenerated (comment change).
+	* generated/_cosh_r16.F90: Regenerated (comment change).
+	* generated/_cosh_r4.F90: Regenerated (comment change).
+	* generated/_cosh_r8.F90: Regenerated (comment change).
+	* generated/_cos_c10.F90: Regenerated (comment change).
+	* generated/_cos_c16.F90: Regenerated (comment change).
+	* generated/_cos_c4.F90: Regenerated (comment change).
+	* generated/_cos_c8.F90: Regenerated (comment change).
+	* generated/_cos_r10.F90: Regenerated (comment change).
+	* generated/_cos_r16.F90: Regenerated (comment change).
+	* generated/_cos_r4.F90: Regenerated (comment change).
+	* generated/_cos_r8.F90: Regenerated (comment change).
+	* generated/_dim_i16.F90: Regenerated (comment change).
+	* generated/_dim_i4.F90: Regenerated (comment change).
+	* generated/_dim_i8.F90: Regenerated (comment change).
+	* generated/_dim_r10.F90: Regenerated (comment change).
+	* generated/_dim_r16.F90: Regenerated (comment change).
+	* generated/_dim_r4.F90: Regenerated (comment change).
+	* generated/_dim_r8.F90: Regenerated (comment change).
+	* generated/_exp_c10.F90: Regenerated (comment change).
+	* generated/_exp_c16.F90: Regenerated (comment change).
+	* generated/_exp_c4.F90: Regenerated (comment change).
+	* generated/_exp_c8.F90: Regenerated (comment change).
+	* generated/_exp_r10.F90: Regenerated (comment change).
+	* generated/_exp_r16.F90: Regenerated (comment change).
+	* generated/_exp_r4.F90: Regenerated (comment change).
+	* generated/_exp_r8.F90: Regenerated (comment change).
+	* generated/_log10_r10.F90: Regenerated (comment change).
+	* generated/_log10_r16.F90: Regenerated (comment change).
+	* generated/_log10_r4.F90: Regenerated (comment change).
+	* generated/_log10_r8.F90: Regenerated (comment change).
+	* generated/_log_c10.F90: Regenerated (comment change).
+	* generated/_log_c16.F90: Regenerated (comment change).
+	* generated/_log_c4.F90: Regenerated (comment change).
+	* generated/_log_c8.F90: Regenerated (comment change).
+	* generated/_log_r10.F90: Regenerated (comment change).
+	* generated/_log_r16.F90: Regenerated (comment change).
+	* generated/_log_r4.F90: Regenerated (comment change).
+	* generated/_log_r8.F90: Regenerated (comment change).
+	* generated/_mod_i16.F90: Regenerated (comment change).
+	* generated/_mod_i4.F90: Regenerated (comment change).
+	* generated/_mod_i8.F90: Regenerated (comment change).
+	* generated/_mod_r10.F90: Regenerated (comment change).
+	* generated/_mod_r16.F90: Regenerated (comment change).
+	* generated/_mod_r4.F90: Regenerated (comment change).
+	* generated/_mod_r8.F90: Regenerated (comment change).
+	* generated/_sign_i16.F90: Regenerated (comment change).
+	* generated/_sign_i4.F90: Regenerated (comment change).
+	* generated/_sign_i8.F90: Regenerated (comment change).
+	* generated/_sign_r10.F90: Regenerated (comment change).
+	* generated/_sign_r16.F90: Regenerated (comment change).
+	* generated/_sign_r4.F90: Regenerated (comment change).
+	* generated/_sign_r8.F90: Regenerated (comment change).
+	* generated/_sinh_r10.F90: Regenerated (comment change).
+	* generated/_sinh_r16.F90: Regenerated (comment change).
+	* generated/_sinh_r4.F90: Regenerated (comment change).
+	* generated/_sinh_r8.F90: Regenerated (comment change).
+	* generated/_sin_c10.F90: Regenerated (comment change).
+	* generated/_sin_c16.F90: Regenerated (comment change).
+	* generated/_sin_c4.F90: Regenerated (comment change).
+	* generated/_sin_c8.F90: Regenerated (comment change).
+	* generated/_sin_r10.F90: Regenerated (comment change).
+	* generated/_sin_r16.F90: Regenerated (comment change).
+	* generated/_sin_r4.F90: Regenerated (comment change).
+	* generated/_sin_r8.F90: Regenerated (comment change).
+	* generated/_sqrt_c10.F90: Regenerated (comment change).
+	* generated/_sqrt_c16.F90: Regenerated (comment change).
+	* generated/_sqrt_c4.F90: Regenerated (comment change).
+	* generated/_sqrt_c8.F90: Regenerated (comment change).
+	* generated/_sqrt_r10.F90: Regenerated (comment change).
+	* generated/_sqrt_r16.F90: Regenerated (comment change).
+	* generated/_sqrt_r4.F90: Regenerated (comment change).
+	* generated/_sqrt_r8.F90: Regenerated (comment change).
+	* generated/_tanh_r10.F90: Regenerated (comment change).
+	* generated/_tanh_r16.F90: Regenerated (comment change).
+	* generated/_tanh_r4.F90: Regenerated (comment change).
+	* generated/_tanh_r8.F90: Regenerated (comment change).
+	* generated/_tan_r10.F90: Regenerated (comment change).
+	* generated/_tan_r16.F90: Regenerated (comment change).
+	* generated/_tan_r4.F90: Regenerated (comment change).
+	* generated/_tan_r8.F90: Regenerated (comment change).
+
+2011-08-18  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/50109
+	* io/list_read.c (eat_separator): Fix skipping over "!" lines.
+
+2011-07-23  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* intrinsics/ctime.c: Include <stdlib.h>.
+	* intrinsics/getlog.c: Likewise.
+	* runtime/stop.c: Likewise.
+
+2011-07-23  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/49791
+	* io/list_read.c (nml_parse_qualifier): Remove check to
+	enabled extended read for another case.
+
+2011-07-15  Daniel Carrera  <dcarrera@gmail.com>
+
+	* caf/mpi.c (caf_runtime_error): Change fprintf to vfprintf.
+	* caf/single.c (caf_runtime_error): Ditto.
+
+2011-07-14  Daniel Carrera  <dcarrera@gmail.com>
+
+	* caf/single.c:  Include stdarg.h header.
+	(caf_runtime_error): New function. Use "exit(EXIT_FAILURE)".
+	(_gfortran_caf_register): Use caf_runtime_error.
+	(_gfortran_caf_sync_images): Use "exit(EXIT_FAILURE)".
+	* caf/mpi.c (caf_runtime_error): Remove "error" parameter.
+	Return EXIT_FAILURE instead.
+	(_gfortran_caf_register): Update call to caf_runtime_error.
+	(_gfortran_caf_sync_all): Ditto.
+	(_gfortran_caf_sync_images): Ditto.
+	(_gfortran_caf_error_stop_str): Use "exit(EXIT_FAILURE)".
+
+2011-07-13  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/49296
+	* io/list_read.c (read_logical): Don't error out if a valid value
+	is followed by EOF instead of a normal separator.
+	(read_integer): Likewise.
+
+2011-07-09  Tobias Burnus  <burnus@net-b.de>
+
+	* runtime/error.c (sys_abort): Change argument list
+	from "()" to "(void)".
+
+2011-07-09  Tobias Burnus  <burnus@net-b.de>
+	    Daniel Carrera  <dcarrera@gmail.com>
+
+	* caf/mpi.c (runtime_error): New function.
+	(_gfortran_caf_register): Use it.
+	(_gfortran_caf_sync_all): Use it, add STAT_STOPPED_IMAGE
+	as possible status value.
+	(_gfortran_caf_sync_images): Ditto.
+
+2011-07-07  Tobias Burnus  <burnus@net-b.de>
+
+	* libcaf.h (__attribute__, unlikely, likely): New macros.
+	(caf_register_t): Update comment.
+	(_gfortran_caf_register): Add stat, errmsg, errmsg_len arguments.
+	* single.c (_gfortran_caf_register): Ditto; add error diagnostics.
+	* mpi.c (_gfortran_caf_register): Ditto.
+	(caf_is_finalized): New global variable.
+	(_gfortran_caf_finalize): Use it.
+
+2011-07-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	* runtime/memory.c (internal_malloc_size):  If size is zero,
+	allocate a single byte.
+	* m4/pack.m4 (pack_'rtype_code`):  Don't check for zero size
+	for the argument of internal_malloc_size.
+	* m4/spread.m4 (spread_'rtype_code`):  Likewise.
+	* m4/eoshift1.m4 (eoshift1):  Don't allocate twice.  Don't check
+	for zero size for the argument of internal_malloc_size.
+	* m4/eoshift3.m4: Don't check for zero size for the argument of
+	internal_malloc_size.
+	* intrinsics/pack_generic.c (pack_internal):  Likewise.
+	(pack_s_internal):  Likewise.
+	* intrinsics/cshift0.c (cshift0):  Likewise.
+	* intrinsics/spread_generic.c (spread_internal):  Likewise.
+	* intrinsics/eoshift0.c (eoshift0):  Likewise.
+	* intrinsics/eoshift2.c (eoshift2):  Likewise.
+	* generated/eoshift1_16.c: Regenerated.
+	* generated/eoshift1_4.c: Regenerated.
+	* generated/eoshift1_8.c: Regenerated.
+	* generated/eoshift3_16.c: Regenerated.
+	* generated/eoshift3_4.c: Regenerated.
+	* generated/eoshift3_8.c: Regenerated.
+	* generated/pack_c10.c: Regenerated.
+	* generated/pack_c16.c: Regenerated.
+	* generated/pack_c4.c: Regenerated.
+	* generated/pack_c8.c: Regenerated.
+	* generated/pack_i16.c: Regenerated.
+	* generated/pack_i1.c: Regenerated.
+	* generated/pack_i2.c: Regenerated.
+	* generated/pack_i4.c: Regenerated.
+	* generated/pack_i8.c: Regenerated.
+	* generated/pack_r10.c: Regenerated.
+	* generated/pack_r16.c: Regenerated.
+	* generated/pack_r4.c: Regenerated.
+	* generated/pack_r8.c: Regenerated.
+	* generated/spread_c10.c: Regenerated.
+	* generated/spread_c16.c: Regenerated.
+	* generated/spread_c4.c: Regenerated.
+	* generated/spread_c8.c: Regenerated.
+	* generated/spread_i16.c: Regenerated.
+	* generated/spread_i1.c: Regenerated.
+	* generated/spread_i2.c: Regenerated.
+	* generated/spread_i4.c: Regenerated.
+	* generated/spread_i8.c: Regenerated.
+	* generated/spread_r10.c: Regenerated.
+	* generated/spread_r16.c: Regenerated.
+	* generated/spread_r4.c: Regenerated.
+	* generated/spread_r8.c: Regenerated.
+
+2011-06-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/49479
+	* m4/reshape.m4: If source allocation is smaller than one, set it
+	to one.
+	* intrinsics/reshape_generic.c:  Likewise.
+	* generated/reshape_r16.c: Regenerated.
+	* generated/reshape_c4.c: Regenerated.
+	* generated/reshape_c16.c: Regenerated.
+	* generated/reshape_c8.c: Regenerated.
+	* generated/reshape_r4.c: Regenerated.
+	* generated/reshape_i4.c: Regenerated.
+	* generated/reshape_r10.c: Regenerated.
+	* generated/reshape_r8.c: Regenerated.
+	* generated/reshape_c10.c: Regenerated.
+	* generated/reshape_i8.c: Regenerated.
+	* generated/reshape_i16.c: Regenerated.
+
+2011-06-18  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/49296
+	* io/list_read.c (read_character): Accept EOF as a separator when
+	reading string.
+
+2011-06-17  Daniel Carrera  <dcarrera@gmail.com>
+
+	* caf/single.c (_gfortran_caf_register): Store the address
+	of all static coarrays in a linked list.
+	(_gfortran_caf_finalize): Free memory of staic coarrays.
+	* caf/mpi.c (_gfortran_caf_register): Store the address
+	of all static coarrays in a linked list. Initialize MPI
+	if necessary.
+	(_gfortran_caf_finalize): Free memory of staic coarrays.
+	(_gfortran_caf_init): Check if MPI is already initialized
+	before initializing again.
+	* caf/libcaf.h: Add a type to caf_register_t to distinguish
+	static coarrays and add the type caf_static_t to make the
+	linked list of static coarrays.
+
+2011-06-11  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.c (buf_seek): Return error if file is not seekable.
+	(buf_tell): Call buf_seek.
+
+2011-06-11  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.c (fd_to_stream): Figure out if a fd is seekable by
+	trying lseek().
+
+2011-06-10  Daniel Carrera  <dcarrera@gmail.com>
+
+	* caf/mpi.c (_gfortran_caf_sync_all,
+	_gfortran_caf_sync_images): Functions have void return type
+	and move status into parameter list.
+	* caf/single.c (_gfortran_caf_sync_all,
+	_gfortran_caf_sync_images): Functions have void return type
+	and move status into parameter list.
+	* caf/libcaf.h (_gfortran_caf_sync_all,
+	_gfortran_caf_sync_images): Functions have void return type
+	and move status into parameter list.
+
+2011-06-03  Richard Henderson  <rth@redhat.com>
+	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* config/fpu-387.h [__sun__ && __svr4__] (sigill_hdlr): Correct
+	insn, insn size.
+	(has_sse) [!__x86_64__ && __sun__ && __svr4__]: Use movaps.
+
+2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/48931
+	* libgfortran.h (find_addr2line): New prototype.
+	* runtime/backtrace.c (show_backtrace): Use async-signal-safe
+	execve and stored path of addr2line.
+	* runtime/compile_options.c (maybe_find_addr2line): New function.
+	(set_options): Call maybe_find_addr2line if backtracing is enabled.
+	* runtime/main.c (find_addr2line): New function.
+	(init): Call find_addr2line if backtracing is enabled.
+	(cleanup): Free addr2line_path.
+
+2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/49214
+	* runtime/backtrace.c (fd_gets): Return NULL if nothing was read.
+
+2011-05-29  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/19155
+	* io/read.c (convert_real): Check for invalid input by comparing
+	endptr instead of EINVAL.
+	(read_f): Fixup floating point input without significand.
+
+2011-05-22  Tobias Burnus  <burnus@net-b.de>
+
+	* runtime/stop.c (stop_string,error_stop_string): Minor cleanup.
+
+2011-05-22  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/48931
+	* configure.ac: Check for backtrace_symbols_fd instead of
+	backtrace_symbols, check for readlink.
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* runtime/backtrace.c (local_strcasestr): Remove.
+	(bt_header): New function.
+	(dump_glibc_backtrace): Remove.
+	(fd_gets): New function.
+	(show_backtrace): Rework to use backtrace_symbols_fd and pipes
+	avoiding functions that are not async-signal-safe, reformat
+	output.
+	* runtime/main.c (store_exe_path): Try to check /proc/self/exe
+	first.
+
+2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>
+	    Uros Bizjak  <ubizjak@gmail.com>
+
+	PR libfortran/48977
+	* configure.host: Swap order of glibc and x86 tests.
+
+2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* config/fpu-387.h (set_fpu): Use renamed inexact macro.
+	* config/fpu-aix.h (set_fpu): Clarify error messages, use renamed
+	inexact macro, set TRP_INEXACT for inexact exception instead of
+	TRP_UNDERFLOW.
+	* config/fpu-generic.h (set_fpu): Clarify error messages, use
+	renamed inexact macro.
+	* config/fpu-glibc.h (set_fpu): Likewise.
+	* config/fpu-sysv.h (set_fpu): Likewise.
+
+2011-05-14  Tobias Burnus  <burnus@net-b.de>
+
+	* runtime/stop.c (error_stop_string, error_stop_numeric):
+	Do not backtrace for ERROR STOP.
+
+2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/48915
+	* intrinsics/abort.c (abort): Call sys_abort().
+	* io/unix.c (st_vprintf): Call sys_abort().
+	* libgfortran.h (options_t): Remove dump_core member.
+	(handler): Rename to backtrace_handler.
+	(compile_options_t): Remove dump_core member.
+	(sys_exit): Remove.
+	(sys_abort): New function.
+	* runtime/backtrace.c (show_backtrace): Print a message if
+	backtrace is not available on target, update filter symbol name
+	due to backtrace_handler renaming.
+	* runtime/compile_options.c (backtrace_handler): New
+	implementation based on example in Glibc manual.
+	(set_options): Remove dump_core handling, make signal handler
+	handle more signals.
+	(init_compile_options): Remove dump_core.
+	* runtime/environ.c (variable_table[]): Remove
+	GFORTRAN_ERROR_DUMPCORE element.
+	(show_variables): Update name, call exit().
+	* runtime/error.c (sys_exit): Remove.
+	(sys_abort): New function.
+	(recursion_check): Call sys_abort().
+	(os_error): Call exit().
+	(runtime_error): Likewise.
+	(runtime_error_at): Likewise.
+	(internal_error): Likewise.
+	(generate_error): Likewise.
+	(notify_std): Likewise.
+	* runtime/stop.c (stop_numeric): Call exit().
+	(stop_numeric_f08): Likewise.
+	(stop_string): Likewise.
+	(error_stop_string): Call sys_abort().
+	(error_stop_numeric): Print backtrace, exit with provided code.
+
+2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.c (st_vprintf,st_printf): Move to runtime/error.c.
+	* libgfortran.h (struct options_t): Remove use_stderr field.
+	(st_vprintf,st_printf): Move prototypes.
+	(estr_write): New prototype.
+	* runtime/error.c (sys_exit): Use estr_write instead of st_printf.
+	(estr_write): New function.
+	(st_vprintf): Move from io/unix.c, use stack allocated buffer,
+	always output to stderr.
+	(st_printf): Move from io/unix.c.
+	(show_locus): Use a local variable instead of static.
+	(os_error): Use estr_write instead of st_printf.
+	(runtime_error): Likewise.
+	(runtime_error_at): Likewise.
+	(runtime_warning_at): Likewise.
+	(internal_error): Likewise.
+	(generate_error): Likewise.
+	(generate_warning): Likewise.
+	(notify_std): Likewise.
+	* runtime/pause.c (do_pause): Likewise.
+	(pause_string): Likewise.
+	* runtime/stop.c (stop_string): Likewise.
+	(error_stop_string): Likewise.
+	* config/fpu_aix.h (set_fpu): Likewise.
+	* config/fpu_generic.h (set_fpu): Likewise.
+	* config/fpu_glibc.h (set_fpu): Likewise.
+	* config/fpu-sysv.h (set_fpu): Likewise.
+	* runtime/backtrace.c (dump_glibc_backtrace): Likewise.
+	(show_backtrace): Likewise.
+	* runtime/environ.c (print_spaces): Likewise.
+	(show_string): Likewise.
+	(show_variables): Likewise.
+	(variable_table[]): Remove GFORTRAN_USE_STDERR entry.
+
+2011-05-14  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/48961
+	* intrinsics/execute_command_line.c (set_cmdstat): Don't abort if
+	synchronously executing with WAIT=.false.
+	(execute_command_line): Fix setting of cmdstat and exitstat.
+
+2011-05-06  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/18918
+	* caf/libcaf.h: Cleanup headers.
+	(_gfortran_caf_critical, _gfortran_caf_end_critical): Make stub.
+	(caf_register_t): New enum.
+	(_gfortran_caf_register, _gfortran_caf_deregister): New prototype.
+	* caf/single.c (_gfortran_caf_critical,
+	_gfortran_caf_end_critical): Remove.
+	(_gfortran_caf_register, _gfortran_caf_deregister): New functions.
+	* caf/mpi.c (_gfortran_caf_critical,
+	_gfortran_caf_end_critical): Remove.
+	(_gfortran_caf_register, _gfortran_caf_deregister): New functions.
+	(caf_world_window): Remove global variable.
+	(_gfortran_caf_init): Fix off-by-one error of this_image.
+
+2011-05-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48787
+	* io/write_float.def (output_float): Adjust up and down rounding for
+	cases where 'd' = 0. Gather common code to one location.
+
+2011-05-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48787
+	* io/write_float.def (output_float): Gather up integer declarations and
+	add new 'p' for scale factor. Use 'p' in place of the 'dtp' reference
+	everywhere. For ROUND_UP scan the digit string and only perform
+	rounding if something other than '0' is found.
+
+2011-04-29  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* io/unix.c (min): New macro.
+	(unpack_filename): Return errno number for errors.
+	(regular_file): Use appropriately sized buffer for path.
+	(compare_file_filename): Likewise.
+	(find_file): Likewise.
+	(delete_file): Likewise.
+	(file_exists): Likewise.
+	(file_size): Likewise.
+	(inquire_sequential): Likewise.
+	(inquire_direct): Likewise.
+	(inquire_formatted): Likewise.
+	(inquire_access): Likewise.
+
+2011-04-29  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/48488
+	* io/write.c (write_real, write_real_g0): Update comments.
+
+2011-04-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+	    Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libgfortran/48488
+	PR libgfortran/48602
+	PR libgfortran/48615
+	PR libgfortran/48684
+	PR libgfortran/48787
+	* io/write.c (write_d, write_e, write_f, write_en,
+	write_es): Add precision compemsation parameter to call.
+	(set_fnode_default): Adjust default widths to assure
+	round trip on write and read. (write_real): Adjust call to write_float.
+	(write_real_g0): Calculate compensation for extra precision and adjust
+	call to write_float.
+	* io/write_float.def (output_float_FMT_G_): Use volatile rather than
+	asm volatile to avoid optimization issue. Correctly calculate the
+	number of blanks (nb) to be appended and simplify calculation logic.
+	(write_float): Increase MIN_FIELD_WIDTH by one to accomodate the new
+	default widths. Eliminate the code that attempted to reduce the
+	the precision used in later sprintf functions.  Add call parameter to
+	compensate for extra precision.
+
+2011-04-20  Jim Meyering  <meyering@redhat.com>
+
+	* intrinsics/move_alloc.c (move_alloc): Remove useless
+	if-before-free test.
+	* io/fbuf.c (fbuf_destroy): Likewise.
+	* io/format.c (save_parsed_format): Likewise.
+	* io/open.c (already_open): Likewise.
+	* io/unit.c (free_internal_unit, close_unit_1): Likewise.
+	* io/unix.c (mem_close): Likewise.
+
+2011-04-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48602
+	* io/write_float.def (output_float_FMT_G): Fix reversal in conditional.
+	Use asm volatile to mark temp variable, avoiding optimization errors.
+
+2011-04-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48602
+	* io/write_float.def (output_float_FMT_G): Use current rounding mode
+	to set the rounding parameters. (output_float): Skip rounding
+	if value is zero.
+
+2011-04-16  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/date_and_time.c (date_and_time): Remove sprintf CPP
+	branch.
+	* io/format.c (format_error): Use snprintf instead of sprintf.
+	* io/list_read.c: Move snprintf fallback macro to libgfortran.h.
+	(convert_integer): Use snprintf instead of sprintf.
+	(parse_repeat): Likewise.
+	(read_logical): Likewise.
+	(read_integer): Likewise.
+	(read_character): Likewise.
+	(parse_real): Likewise.
+	(read_complex): Likewise.
+	(read_real): Likewise.
+	(check_type): Likewise.
+	(nml_parse_qualifier): Add string length argument, use snprintf
+	instead of sprintf.
+	(nml_get_obj_data): Use snprintf instead of sprintf.
+	* io/open.c (new_unit): Remove sprintf CPP branch, use snprintf
+	instead of sprintf.
+	* io/transfer.c (require_type): Use snprintf instead of sprintf.
+	* io/unix.c (tempfile): Likewise.
+	* io/write.c (nml_write_obj): Likewise.
+	* io/write_float.def (output_float): Remove sprintf CPP branch,
+	use snprintf instead of sprintf.
+	* libgfortran.h: Add fallback snprintf macro from io/list_read.c.
+	* runtime/backtrace.c (show_backtrace): Remove sprintf CPP branch.
+	* runtime/main.c (store_exe_path): Use snprintf instead of
+	sprintf.
+
+2011-04-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48589
+	* io/write_float.def (write_infnan): Set width properly for G0.
+
+2011-04-15  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/18918
+	* Makefile.am: Build and install caf/single.c as
+	libcaf_single.a.
+	* Makefile.in: Regenerate.
+
+2011-04-15  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47571
+	* configure: Regenerated.
+	* config.h.in: Regenerated.
+	* acinclude.m4: Add alpha*-dec-osf* to gthread blacklist.
+	* configure.ac: Use separate symbol for clock_gettime in librt.
+	* intrinsics/system_clock.c: Use weakrefs only when needed and
+	supported.
+
+2011-04-12  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* configure.ac: Use AC_TYPE_* to make sure we have (u)intptr_t,
+	check for ptrdiff_t.
+	* libgfortran.h: Remove (u)intptr_t definitions, use ptrdiff_t for
+	index_type, change cshift0* prototypes.
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* intrinsics/cshift0.c (cshift0): Use ptrdiff_t instead of ssize_t.
+	* io/io.h (array_loop_spec): Use index_type instead of ssize_t.
+	* io/list_read.c (nml_parse_qualifier): Likewise.
+	* io/write.c (nml_write_obj): Likewise.
+	* m4/cshift0.c (cshift0_'rtype_code`): Likewise.
+	* generated/cshift0_*.c: Regenerated.
+
+2011-04-12  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* Makefile.am: Remove _GNU_SOURCE from AM_CPPFLAGS.
+	* Makefile.in: Regenerated.
+
+2011-04-06  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/18918
+	* caf/mpi.c (_gfortran_caf_init, _gfortran_caf_finalize):
+	Add global variable caf_mpi_initialized and use it for when
+	finalizing.
+
+2011-04-04  Tobias Burnus  <burnus@net-b.de>
+
+	* unix.c: Adapt stat DEFINEs since MinGW64 supports LFS.
+	(fallback_access, open_internal4, compare_file_filename,
+	find_file, file_size, inquire_sequential, inquire_direct,
+	inquire_formatted): Use "struct stat" instead of gfstat_t.
+
+2011-03-27  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/18918
+	* caf/libcaf.h: New - coarray communication library.
+	* caf/mpi.c: New.
+	* caf/single.c: New.
+
+2011-03-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48030
+	* io/read.c (read_x): Re-implement using fbuf_getc.
+
+2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR bootstrap/48135
+	* configure.ac (gfortran_use_symver): Handle --disable-symvers.
+	* configure: Regenerate.
+
+2011-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR fortran/35667
+	* io/io.h (convert_infnan): Declare.
+	* io/read.c (convert_infnan): New.
+	(read_f): Use convert_infnan to convert INFs and NANs.
+	* list_read.c (parse_real, read_real): Likewise.
+
+2011-03-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/47439
+	* io/unix.c (tempfile): Work around poor mktemp() implementations.
+
+2011-03-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/47883
+	* acinclude.m4: Don't use AC_TRY_ macros.
+	* configure.ac: Likewise.
+	* configure: Regenerate.
+
+2011-03-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR libfortran/48066
+	* m4/ifunction.m4:  If return array is empty, return.
+	* m4/ifunction_logical.m4:  Likewise.
+	* generated/all_l16.c: Regenerated.
+	* generated/all_l1.c: Regenerated.
+	* generated/all_l2.c: Regenerated.
+	* generated/all_l4.c: Regenerated.
+	* generated/all_l8.c: Regenerated.
+	* generated/any_l16.c: Regenerated.
+	* generated/any_l1.c: Regenerated.
+	* generated/any_l2.c: Regenerated.
+	* generated/any_l4.c: Regenerated.
+	* generated/any_l8.c: Regenerated.
+	* generated/count_16_l.c: Regenerated.
+	* generated/count_1_l.c: Regenerated.
+	* generated/count_2_l.c: Regenerated.
+	* generated/count_4_l.c: Regenerated.
+	* generated/count_8_l.c: Regenerated.
+	* generated/maxloc1_16_i16.c: Regenerated.
+	* generated/maxloc1_16_i1.c: Regenerated.
+	* generated/maxloc1_16_i2.c: Regenerated.
+	* generated/maxloc1_16_i4.c: Regenerated.
+	* generated/maxloc1_16_i8.c: Regenerated.
+	* generated/maxloc1_16_r10.c: Regenerated.
+	* generated/maxloc1_16_r16.c: Regenerated.
+	* generated/maxloc1_16_r4.c: Regenerated.
+	* generated/maxloc1_16_r8.c: Regenerated.
+	* generated/maxloc1_4_i16.c: Regenerated.
+	* generated/maxloc1_4_i1.c: Regenerated.
+	* generated/maxloc1_4_i2.c: Regenerated.
+	* generated/maxloc1_4_i4.c: Regenerated.
+	* generated/maxloc1_4_i8.c: Regenerated.
+	* generated/maxloc1_4_r10.c: Regenerated.
+	* generated/maxloc1_4_r16.c: Regenerated.
+	* generated/maxloc1_4_r4.c: Regenerated.
+	* generated/maxloc1_4_r8.c: Regenerated.
+	* generated/maxloc1_8_i16.c: Regenerated.
+	* generated/maxloc1_8_i1.c: Regenerated.
+	* generated/maxloc1_8_i2.c: Regenerated.
+	* generated/maxloc1_8_i4.c: Regenerated.
+	* generated/maxloc1_8_i8.c: Regenerated.
+	* generated/maxloc1_8_r10.c: Regenerated.
+	* generated/maxloc1_8_r16.c: Regenerated.
+	* generated/maxloc1_8_r4.c: Regenerated.
+	* generated/maxloc1_8_r8.c: Regenerated.
+	* generated/maxval_i16.c: Regenerated.
+	* generated/maxval_i1.c: Regenerated.
+	* generated/maxval_i2.c: Regenerated.
+	* generated/maxval_i4.c: Regenerated.
+	* generated/maxval_i8.c: Regenerated.
+	* generated/maxval_r10.c: Regenerated.
+	* generated/maxval_r16.c: Regenerated.
+	* generated/maxval_r4.c: Regenerated.
+	* generated/maxval_r8.c: Regenerated.
+	* generated/minloc1_16_i16.c: Regenerated.
+	* generated/minloc1_16_i1.c: Regenerated.
+	* generated/minloc1_16_i2.c: Regenerated.
+	* generated/minloc1_16_i4.c: Regenerated.
+	* generated/minloc1_16_i8.c: Regenerated.
+	* generated/minloc1_16_r10.c: Regenerated.
+	* generated/minloc1_16_r16.c: Regenerated.
+	* generated/minloc1_16_r4.c: Regenerated.
+	* generated/minloc1_16_r8.c: Regenerated.
+	* generated/minloc1_4_i16.c: Regenerated.
+	* generated/minloc1_4_i1.c: Regenerated.
+	* generated/minloc1_4_i2.c: Regenerated.
+	* generated/minloc1_4_i4.c: Regenerated.
+	* generated/minloc1_4_i8.c: Regenerated.
+	* generated/minloc1_4_r10.c: Regenerated.
+	* generated/minloc1_4_r16.c: Regenerated.
+	* generated/minloc1_4_r4.c: Regenerated.
+	* generated/minloc1_4_r8.c: Regenerated.
+	* generated/minloc1_8_i16.c: Regenerated.
+	* generated/minloc1_8_i1.c: Regenerated.
+	* generated/minloc1_8_i2.c: Regenerated.
+	* generated/minloc1_8_i4.c: Regenerated.
+	* generated/minloc1_8_i8.c: Regenerated.
+	* generated/minloc1_8_r10.c: Regenerated.
+	* generated/minloc1_8_r16.c: Regenerated.
+	* generated/minloc1_8_r4.c: Regenerated.
+	* generated/minloc1_8_r8.c: Regenerated.
+	* generated/minval_i16.c: Regenerated.
+	* generated/minval_i1.c: Regenerated.
+	* generated/minval_i2.c: Regenerated.
+	* generated/minval_i4.c: Regenerated.
+	* generated/minval_i8.c: Regenerated.
+	* generated/minval_r10.c: Regenerated.
+	* generated/minval_r16.c: Regenerated.
+	* generated/minval_r4.c: Regenerated.
+	* generated/minval_r8.c: Regenerated.
+	* generated/product_c10.c: Regenerated.
+	* generated/product_c16.c: Regenerated.
+	* generated/product_c4.c: Regenerated.
+	* generated/product_c8.c: Regenerated.
+	* generated/product_i16.c: Regenerated.
+	* generated/product_i1.c: Regenerated.
+	* generated/product_i2.c: Regenerated.
+	* generated/product_i4.c: Regenerated.
+	* generated/product_i8.c: Regenerated.
+	* generated/product_r10.c: Regenerated.
+	* generated/product_r16.c: Regenerated.
+	* generated/product_r4.c: Regenerated.
+	* generated/product_r8.c: Regenerated.
+	* generated/sum_c10.c: Regenerated.
+	* generated/sum_c16.c: Regenerated.
+	* generated/sum_c4.c: Regenerated.
+	* generated/sum_c8.c: Regenerated.
+	* generated/sum_i16.c: Regenerated.
+	* generated/sum_i1.c: Regenerated.
+	* generated/sum_i2.c: Regenerated.
+	* generated/sum_i4.c: Regenerated.
+	* generated/sum_i8.c: Regenerated.
+	* generated/sum_r10.c: Regenerated.
+	* generated/sum_r16.c: Regenerated.
+	* generated/sum_r4.c: Regenerated.
+	* generated/sum_r8.c: Regenerated.
+
+2011-03-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/48047
+	* io/write_float.def (write_float): Change MIN_FIELD_WIDTH to 48.
+
+2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47802
+	* intrinsics/ctime.c (strctime): Use builtins to check localtime_r
+	return type.
+
+2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47802
+	* intrinsics/ctime.c (strctime): Don't use return value of
+	localtime_r.
+
+2011-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47567
+	* io/write_float.def (output_float): Move handling of w = 0 to after
+	output rounding. Check for zero and set zero_flag accordingly. Set
+	width according to zero_flag. Add better comments.
+
+2011-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47778
+	* io/list_read.c (namelist_read): Intialize the error string buffere.
+	If pprev_nl was used during the previous namelist read and the rank
+	was zero, reset the pointer to NULL for the next namelist read.
+
+2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR libfortran/45165
+	* unix.c (fallback_access): Fix file descriptor leaks.
+
+2011-02-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): Set shell variable
+	tested in configure.host.
+	* configure: Regenerate.
+
+2011-02-24  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47802
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac: Remove checks for ctime and ctime_r, add check for
+	strftime.
+	* intrinsics/date_and_time.c (localtime_r): Move fallback
+	implementation to time_1.h.
+	* intrinsics/time_1.h (localtime_r): Fallback implementation.
+	* intrinsics/ctime.c: Include time_1.h.
+	(ctime_r): Remove fallback implementation.
+	(strctime): New function.
+	(fdate): Use strctime instead of ctime_r.
+	(fdate_sub): Likewise.
+	(ctime): Likewise.
+	(ctime_sub): Likewise.
+
+2011-02-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/47878
+	* io/transfer.c (read_sf): Call fbuf_getptr only at the end,
+	and subtract n, dtp->u.p.sf_seen_eor and seen_comma from it.
+
+2011-02-24  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47802
+	* configure.ac: Add test for POSIX getpwuid_r.
+	* intrinsics/getlog.c (getlog): CPP test for
+	HAVE_POSIX_GETPWUID_R.
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+
+2011-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47567
+	* io/write_float.def (output_float): Remove special case handling of
+	zero with width 1.
+
+2011-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
+	    Jerry DeLisle    <jvdelisle@gcc.gnu.org>
+
+	PR libfortran/47694
+	* io/fbuf.h (fbuf_getptr): New inline function.
+	* io/transfer.c (read_sf): Use fbuf_getptr and fbuf_getc to scan
+	through the string instead of fbuf_read.
+
+2011-02-22  Tobias Burnus  <burnus@net-b.de>
+	    Kai-Uwe Eckhardt  <kuehro@gmx.de>
+
+	PR libfortran/47830
+	* intrinsics/c99_functions.c (roundl): Make C valid for
+	HAVE_NEXTAFTERL.
+
+2011-02-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47567
+	* io/write_float.def (output_float): Adjust width for F0.d to
+	allow space for negative signs on zero.
+
+2011-02-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47667
+	* io/list_read.c (read_logical): Check for end of line before calling
+	eat_line. (read_integer): Likewise. (parse_real): Don't unget the
+	separator. Check for end of line before calling	eat_line.
+	(read_complex): Allow line-end before and after parenthesis and comma.
+	Check for end of line before calling eat_line. (read_real): Check for
+	end of line before calling eat_line.
+
+2011-02-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libfortran/47757
+	* gfortran.map (GFORTRAN_1.4): Export
+	_gfortran_{m,s}i{all,any,parity}_i{1,2,4,8,16} and
+	_gfortran_{cshift0,eoshift{0,2}}_16_char4.
+
+2011-02-15  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47716
+	PR fortran/47648
+	* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Use check from
+	libquadmath, which uses more features.
+	* configure: Regenerate.
+
+2011-02-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/47642
+	* io/write_float.def (DTOAQ): Use quadmath_snprintf instead of
+	quadmath_flt128tostr.
+	* io/transfer128.c (tmp2): Initialize to quadmath_snprintf instead
+	of quadmath_flt128tostr.
+
+2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* Makefile.in: Regenerate.
+	* aclocal.m4: Likewise.
+	* configure: Likewise.
+
+2011-02-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47567
+	* io/write_float.def (output_float): Eliminate some redundant code.
+	Adjust width for case of F0.X for values of zero and all other values.
+	Expand cases where '*' is set to give cleaner results.
+
+2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47571
+	* intrinsics/time_1.h (GF_CLOCK_MONOTONIC): Move to system_clock.c.
+	(weak_gettime): Likewise.
+	(gf_gettime): Change API, move weak_gettime() usage to
+	system_clock.c
+	* intrinsics/system_clock.c (GTHREAD_USE_WEAK): Define.
+	(gf_gettime_mono): New function.
+	(system_clock_4): Use gf_gettime_mono().
+	(system_clock_8): Likewise.
+	* intrinsics/date_and_time.c (date_and_time): Update gf_gettime()
+	usage.
+
+2011-02-02  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47571
+	* configure: Regenerated.
+	* configure.ac: Don't add librt to LIBS.
+	* intrinsics/time_1.h (weak_gettime): Weakref trickery for
+	clock_gettime().
+	(gf_gettime): Use weak_gettime() instead of clock_gettime().
+
+2011-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/time_1.h: Include errno.h needed by fallbacks.
+
+2011-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* intrinsics/time_1.h: Fix definition of GF_CLOCK_MONOTONIC macro.
+
+2011-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	* configure.ac: Check for clock_gettime().
+	* configure: Regenerated.
+	* config.h.in: Regenerated.
+	* intrinsics/time_1.h (__time_1): Rename to gf_cputime, add
+	times() fallback.
+	(gf_gettime): New function.
+	* intrinsics/cpu_time.c (__cpu_time_1): Update to call gf_cputime.
+	* intrinsics/date_and_time.c (date_and_time): Use gf_gettime.
+	* intrinsics/dtime.c (dtime_sub): Use gf_cputime.
+	* intrinsics/etime.c (etime_sub): Use gf_cputime.
+	* intrinsics/system_clock.c (system_clock_4): Use gf_gettime.
+	(system_clock_8): Use gf_gettime, increase count rate to allow
+	nanosecond precision, remove overflow prone branch.
+
+2011-01-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47434
+	* io/write_float.def (write_infnan): Use calculate_sign to determine
+	if the sign should be given and check field widths accordingly.
+
+2011-01-29  Kai Tietz  <kai.tietz@onevision.com>
+
+	* intrinsics/ctime.c (ctime_r): Improve implementation.
+
+2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47431
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac: Add check for ctime_r().
+	* intrinsics/ctime.c (ctime_r): Fallback implementation.
+	(fdate): Use ctime_r() instead of ctime().
+	(fdate_sub): Likewise.
+	(ctime): Likewise.
+	(ctime_sub): Likewise.
+
+2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47432
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac: Add check for ttyname_r.
+	* io/unix.h: Add TTY_NAME_MAX, change stream_ttyname prototype.
+	* io/unix.c (stream_ttyname): Use ttyname_r if available, conform
+	to new prototype.
+	* io/inquire.c (inquire_via_unit): Use changed stream_ttyname.
+	* io/intrinsics.c (ttynam_sub): Likewise.
+	(ttynam): Likewise.
+
+2011-01-27  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47491
+	* configure.ac: Call AC_USE_SYSTEM_EXTENSIONS to enable common
+	extensions.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+
+2011-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47285
+	* io/write_float.def (write_infnan): Adjust processor selected width
+	to 3 if NaN.
+
+2011-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47285
+	* io/write_float.def (output_float): Return SUCCESS or FAILURE and use
+	the result to set the padding.
+
+2011-01-26  Kai Tietz  <kai.tietz@onevision.com>
+
+	* intrinsics/getlog.c (getlog): Fix label/statement issue.
+
+2011-01-25  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47375
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac: Add check for getpwuid_r.
+	* intrinsics/getlog.c (getlog): Use getpwuid_r() if available.
+
+2011-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/46267
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac: Check presence of strerror_r.
+	* intrinsics/gerror.c (gerror): Use gf_strerror, modify logic.
+	* io/unix.c (get_oserror): Remove.
+	* libgfortran.h (gf_strerror): Add prototype.
+	(get_oserror): Remove prototype.
+	* runtime/error.c (gf_strerror): New function.
+	(os_error): Use gf_strerror instead of get_oserror.
+	(generate_errror): Likewise.
+
+2011-01-17  Janne Blomqvist  <jb@gcc.gnu.org>
+
+	PR libfortran/47296
+	* io/unix.c (tempfile): Set opp->file and opp->file_len also if an
+	error occurs.
+
+2011-01-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/46625
+	* io/write_float.def (DTOAQ): Use quadmath_flt128tostr
+	instead of quadmath_dtoa.
+	* io/transfer128.c (tmp1, tmp2): New variables, bring in
+	strtoflt128 and quadmath_flt128tostr.
+	(transfer_real128, transfer_real128_write, transfer_complex128,
+	transfer_complex128_write): Remove tmp1/tmp2 variables.
+	* io/read.c (convert_real): Use strtoflt128 instead of
+	quadmath_strtopQ, adjust for the changed arguments and return
+	value.
+
+2011-01-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47296
+	* io/unix.c (unpack_filename): Return non-zero if the filename passed
+	in is NULL.
+
+2011-01-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/47154
+	* io/list_read.c (namelist_read): Remove calls to hit_eof to avoid the
+	duplicate calls via next_record.
+
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.
diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
index 350b7161059..2ff29a8f68f 100644
--- a/libgfortran/Makefile.am
+++ b/libgfortran/Makefile.am
@@ -36,7 +36,9 @@ LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) \
 toolexeclib_LTLIBRARIES = libgfortran.la
 toolexeclib_DATA = libgfortran.spec
 libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
-libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) $(LIBQUADLIB) -lm $(extra_ldflags_libgfortran) $(version_arg)
+libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+	$(LTLDFLAGS) $(LIBQUADLIB) -lm $(extra_ldflags_libgfortran) \
+	$(version_arg) -Wc,-shared-libgcc
 libgfortran_la_DEPENDENCIES = $(version_dep) libgfortran.spec $(LIBQUADLIB_DEP)
 
 myexeclib_LTLIBRARIES = libgfortranbegin.la
diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index 540fdc6f456..b65eca49224 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -493,7 +493,10 @@ LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) \
 toolexeclib_LTLIBRARIES = libgfortran.la
 toolexeclib_DATA = libgfortran.spec
 libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
-libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) $(LIBQUADLIB) -lm $(extra_ldflags_libgfortran) $(version_arg)
+libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+	$(LTLDFLAGS) $(LIBQUADLIB) -lm $(extra_ldflags_libgfortran) \
+	$(version_arg) -Wc,-shared-libgcc
+
 libgfortran_la_DEPENDENCIES = $(version_dep) libgfortran.spec $(LIBQUADLIB_DEP)
 myexeclib_LTLIBRARIES = libgfortranbegin.la
 myexeclibdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)
diff --git a/libgfortran/runtime/backtrace.c b/libgfortran/runtime/backtrace.c
index e28bdcbc423..5ebd9721130 100644
--- a/libgfortran/runtime/backtrace.c
+++ b/libgfortran/runtime/backtrace.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006, 2007, 2009, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 2006, 2007, 2009, 2011, 2012 Free Software Foundation, Inc.
    Contributed by François-Xavier Coudert
 
 This file is part of the GNU Fortran runtime library (libgfortran).
@@ -197,7 +197,7 @@ show_backtrace (void)
   state.frame_number = 0;
   state.error = 0;
 
-  estr_write ("\nA fatal error occurred! Backtrace for this error:\n");
+  estr_write ("\nBacktrace for this error:\n");
 
 #if CAN_PIPE
 
diff --git a/libgfortran/runtime/compile_options.c b/libgfortran/runtime/compile_options.c
index 0c139a2d4ef..0e657f73ba6 100644
--- a/libgfortran/runtime/compile_options.c
+++ b/libgfortran/runtime/compile_options.c
@@ -1,5 +1,6 @@
 /* Handling of compile-time options that influence the library.
-   Copyright (C) 2005, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007, 2009, 2010, 2011, 2012
+   Free Software Foundation, Inc.
 
 This file is part of the GNU Fortran runtime library (libgfortran).
 
@@ -32,6 +33,87 @@ compile_options_t compile_options;
 
 volatile sig_atomic_t fatal_error_in_progress = 0;
 
+
+/* Helper function for backtrace_handler to write information about the
+   received signal to stderr before actually giving the backtrace.  */
+static void
+show_signal (int signum)
+{
+  const char * name = NULL, * desc = NULL;
+
+  switch (signum)
+    {
+#if defined(SIGQUIT)
+      case SIGQUIT:
+	name = "SIGQUIT";
+	desc = "Terminal quit signal";
+	break;
+#endif
+
+      /* The following 4 signals are defined by C89.  */
+      case SIGILL:
+	name = "SIGILL";
+	desc = "Illegal instruction";
+	break;
+
+      case SIGABRT:
+	name = "SIGABRT";
+	desc = "Process abort signal";
+	break;
+
+      case SIGFPE:
+	name = "SIGFPE";
+	desc = "Floating-point exception - erroneous arithmetic operation";
+	break;
+
+      case SIGSEGV:
+	name = "SIGSEGV";
+	desc = "Segmentation fault - invalid memory reference";
+	break;
+
+#if defined(SIGBUS)
+      case SIGBUS:
+	name = "SIGBUS";
+	desc = "Access to an undefined portion of a memory object";
+	break;
+#endif
+
+#if defined(SIGSYS)
+      case SIGSYS:
+	name = "SIGSYS";
+	desc = "Bad system call";
+	break;
+#endif
+
+#if defined(SIGTRAP)
+      case SIGTRAP:
+	name = "SIGTRAP";
+	desc = "Trace/breakpoint trap";
+	break;
+#endif
+
+#if defined(SIGXCPU)
+      case SIGXCPU:
+	name = "SIGXCPU";
+	desc = "CPU time limit exceeded";
+	break;
+#endif
+
+#if defined(SIGXFSZ)
+      case SIGXFSZ:
+	name = "SIGXFSZ";
+	desc = "File size limit exceeded";
+	break;
+#endif
+    }
+
+  if (name)
+    st_printf ("\nProgram received signal %s: %s.\n", name, desc);
+  else
+    st_printf ("\nProgram received signal %d.\n", signum);
+}
+
+
 /* A signal handler to allow us to output a backtrace.  */
 void
 backtrace_handler (int signum)
@@ -43,6 +125,7 @@ backtrace_handler (int signum)
     raise (signum);
   fatal_error_in_progress = 1;
 
+  show_signal (signum);
   show_backtrace();
 
   /* Now reraise the signal.  We reactivate the signal's
diff --git a/libgfortran/runtime/main.c b/libgfortran/runtime/main.c
index 11b535afa92..1cad5eff725 100644
--- a/libgfortran/runtime/main.c
+++ b/libgfortran/runtime/main.c
@@ -116,8 +116,10 @@ store_exe_path (const char * argv0)
   memset (buf, 0, sizeof (buf));
 #ifdef HAVE_GETCWD
   cwd = getcwd (buf, sizeof (buf));
+  if (!cwd)
+    cwd = ".";
 #else
-  cwd = "";
+  cwd = ".";
 #endif
 
   /* exe_path will be cwd + "/" + argv[0] + "\0".  This will not work