diff options
-rw-r--r-- | libcpp/ChangeLog | 27 | ||||
-rw-r--r-- | libcpp/Makefile.in | 24 | ||||
-rwxr-xr-x | libcpp/configure | 1085 | ||||
-rw-r--r-- | libcpp/configure.ac | 33 | ||||
-rw-r--r-- | libcpp/directives.c | 4 | ||||
-rw-r--r-- | libcpp/files.c | 6 | ||||
-rw-r--r-- | libcpp/include/cpp-id-data.h | 8 | ||||
-rw-r--r-- | libcpp/include/cpplib.h | 8 | ||||
-rw-r--r-- | libcpp/include/line-map.h | 8 | ||||
-rw-r--r-- | libcpp/include/mkdeps.h | 8 | ||||
-rw-r--r-- | libcpp/include/symtab.h | 8 | ||||
-rw-r--r-- | libcpp/symtab.c | 2 |
12 files changed, 1110 insertions, 111 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index e2171b0fb7b..57ba6779feb 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,30 @@ +2009-07-17 Jerry Quinn <jlquinn@optonline.net> + + * directives.c (do_linemarker, do_line): Use CPP_STRING for + ignored enum value. + * files.c (find_file_in_dir): Add cast from void* to char*. + * symtab.c (ht_lookup_with_hash): Add cast from void* to char*. + * Makefile.in: (WARN_CFLAGS): Use general and C-specific + warnings. + (CXX, CXXFLAGS, WARN_CXXFLAGS, ALL_CXXFLAGS, + ENABLE_BUILD_WITH_CXX, CCDEPMODE, CXXDEPMODE, COMPILER, + COMPILER_FLAGS): New. + (DEPMODE): Set from CCDEPMODE or CXXDEPMODE. + (COMPILE.base): Use COMPILER instead of CC. Use COMPILER_FLAGS + instead of ALL_CFLAGS. + * configure.ac: Invoke AC_PROG_CXX. Separate C-specific warnings + from other warnings. Add -Wc++-compat to C-specific warnings. + Check for --enable-build-with-cxx. Set and substitute + ENABLE_BUILD_WITH_CXX. Invoke ZW_PROG_COMPILER_DEPENDENCIES + according to ENABLE_BUILD_WITH_CXX. Invoke AC_LANG before + AC_CHECK_HEADERS. + * configure: Rebuild. + * include/cpp-id-data.h: Remove extern "C". + * include/line-map.h: Likewise. + * include/mkdeps.h: Likewise. + * include/symtab.h: Likewise. + * internal.h: Likewise. + 2009-06-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org> * directives.c (parse_include): Add location argument. Update all diff --git a/libcpp/Makefile.in b/libcpp/Makefile.in index 68f5892d088..268d1baaca2 100644 --- a/libcpp/Makefile.in +++ b/libcpp/Makefile.in @@ -33,7 +33,10 @@ AUTOHEADER = @AUTOHEADER@ CATALOGS = $(patsubst %,po/%,@CATALOGS@) CC = @CC@ CFLAGS = @CFLAGS@ -WARN_CFLAGS = @WARN_CFLAGS@ @WARN_PEDANTIC@ @WERROR@ +WARN_CFLAGS = @warn@ @c_warn@ @WARN_PEDANTIC@ @WERROR@ +CXX = @CXX@ +CXXFLAGS = @CXXFLAGS@ +WARN_CXXFLAGS = @warn@ @WARN_PEDANTIC@ @WERROR@ CPP = @CPP@ CPPFLAGS = @CPPFLAGS@ EXEEXT = @EXEEXT@ @@ -50,7 +53,8 @@ RANLIB = @RANLIB@ SHELL = @SHELL@ USED_CATALOGS = @USED_CATALOGS@ XGETTEXT = @XGETTEXT@ -DEPMODE = @CCDEPMODE@ +CCDEPMODE = @CCDEPMODE@ +CXXDEPMODE = @CXXDEPMODE@ DEPDIR = @DEPDIR@ datarootdir = @datarootdir@ @@ -68,6 +72,20 @@ INCLUDES = -I$(srcdir) -I. -I$(srcdir)/../include @INCINTL@ \ -I$(srcdir)/include ALL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(INCLUDES) $(CPPFLAGS) +ALL_CXXFLAGS = $(CXXFLAGS) $(WARN_CXXFLAGS) $(INCLUDES) $(CPPFLAGS) + +# The name of the compiler to use. +ENABLE_BUILD_WITH_CXX = @ENABLE_BUILD_WITH_CXX@ +ifneq ($(ENABLE_BUILD_WITH_CXX),yes) +COMPILER = $(CC) +COMPILER_FLAGS = $(ALL_CFLAGS) +DEPMODE = $(CCDEPMODE) +else +COMPILER = $(CXX) +COMPILER_FLAGS = $(ALL_CXXFLAGS) +DEPMODE = $(CXXDEPMODE) +endif + libcpp_a_OBJS = charset.o directives.o directives-only.o errors.o \ expr.o files.o identifiers.o init.o lex.o line-map.o macro.o \ @@ -189,7 +207,7 @@ update-po: $(CATALOGS:.gmo=.pox) install-man update-po install-html # Dependency rule. -COMPILE.base = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(ALL_CFLAGS) -c +COMPILE.base = $(COMPILER) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(COMPILER_FLAGS) -c ifeq ($(DEPMODE),depmode=gcc3) # Note that we put the dependencies into a .Tpo file, then move them # into place if the compile succeeds. We need this because gcc does diff --git a/libcpp/configure b/libcpp/configure index 9a4f30ddfc0..35fb663bf87 100755 --- a/libcpp/configure +++ b/libcpp/configure @@ -311,7 +311,7 @@ ac_includes_default="\ # include <unistd.h> #endif" -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os SET_MAKE INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT RANLIB ac_ct_RANLIB ACLOCAL AUTOCONF AUTOHEADER WARN_CFLAGS WARN_PEDANTIC WERROR am__leading_dot DEPDIR CCDEPMODE CPP EGREP LIBOBJS ALLOCA USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT LIBICONV LTLIBICONV PACKAGE USED_CATALOGS MAINT LTLIBOBJS' +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os SET_MAKE INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX RANLIB ac_ct_RANLIB ENABLE_BUILD_WITH_CXX ACLOCAL AUTOCONF AUTOHEADER warn c_warn WARN_PEDANTIC WERROR am__leading_dot DEPDIR CCDEPMODE CXXDEPMODE CPP EGREP CXXCPP LIBOBJS ALLOCA USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT LIBICONV LTLIBICONV PACKAGE USED_CATALOGS MAINT LTLIBOBJS' ac_subst_files='' ac_pwd=`pwd` @@ -769,10 +769,22 @@ ac_env_CPPFLAGS_set=${CPPFLAGS+set} ac_env_CPPFLAGS_value=$CPPFLAGS ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set} ac_cv_env_CPPFLAGS_value=$CPPFLAGS +ac_env_CXX_set=${CXX+set} +ac_env_CXX_value=$CXX +ac_cv_env_CXX_set=${CXX+set} +ac_cv_env_CXX_value=$CXX +ac_env_CXXFLAGS_set=${CXXFLAGS+set} +ac_env_CXXFLAGS_value=$CXXFLAGS +ac_cv_env_CXXFLAGS_set=${CXXFLAGS+set} +ac_cv_env_CXXFLAGS_value=$CXXFLAGS ac_env_CPP_set=${CPP+set} ac_env_CPP_value=$CPP ac_cv_env_CPP_set=${CPP+set} ac_cv_env_CPP_value=$CPP +ac_env_CXXCPP_set=${CXXCPP+set} +ac_env_CXXCPP_value=$CXXCPP +ac_cv_env_CXXCPP_set=${CXXCPP+set} +ac_cv_env_CXXCPP_value=$CXXCPP # # Report the --help message. @@ -850,6 +862,7 @@ if test -n "$ac_init_help"; then Optional Features: --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --enable-build-with-cxx build with C++ compiler instead of C compiler --enable-werror-always enable -Werror despite compiler version --disable-rpath do not hardcode runtime library paths --enable-maintainer-mode enable rules only needed by maintainers @@ -869,7 +882,10 @@ Some influential environment variables: nonstandard directory <lib dir> CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir> + CXX C++ compiler command + CXXFLAGS C++ compiler flags CPP C preprocessor + CXXCPP C++ preprocessor Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. @@ -2515,6 +2531,361 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu +ac_ext=cc +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -n "$ac_tool_prefix"; then + for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CXX+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CXX"; then + ac_cv_prog_CXX="$CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CXX=$ac_cv_prog_CXX +if test -n "$CXX"; then + echo "$as_me:$LINENO: result: $CXX" >&5 +echo "${ECHO_T}$CXX" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CXX" && break + done +fi +if test -z "$CXX"; then + ac_ct_CXX=$CXX + for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CXX"; then + ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CXX="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CXX=$ac_cv_prog_ac_ct_CXX +if test -n "$ac_ct_CXX"; then + echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5 +echo "${ECHO_T}$ac_ct_CXX" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CXX" && break +done +test -n "$ac_ct_CXX" || ac_ct_CXX="g++" + + CXX=$ac_ct_CXX +fi + + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C++ compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5 + (eval $ac_compiler --version </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5 + (eval $ac_compiler -v </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5 + (eval $ac_compiler -V </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6 +if test "${ac_cv_cxx_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_cxx_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6 +GXX=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CXXFLAGS=${CXXFLAGS+set} +ac_save_CXXFLAGS=$CXXFLAGS +CXXFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5 +echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cxx_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cxx_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cxx_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6 +if test "$ac_test_CXXFLAGS" = set; then + CXXFLAGS=$ac_save_CXXFLAGS +elif test $ac_cv_prog_cxx_g = yes; then + if test "$GXX" = yes; then + CXXFLAGS="-g -O2" + else + CXXFLAGS="-g" + fi +else + if test "$GXX" = yes; then + CXXFLAGS="-O2" + else + CXXFLAGS= + fi +fi +for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include <stdlib.h> +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +rm -f conftest* +if test -n "$ac_declaration"; then + echo '#ifdef __cplusplus' >>confdefs.h + echo $ac_declaration >>confdefs.h + echo '#endif' >>confdefs.h +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 @@ -2596,6 +2967,17 @@ else fi +# See if we are building gcc with C++. +# Do this early so setting lang to C++ affects following tests +# Check whether --enable-build-with-cxx or --disable-build-with-cxx was given. +if test "${enable_build_with_cxx+set}" = set; then + enableval="$enable_build_with_cxx" + ENABLE_BUILD_WITH_CXX=$enableval +else + ENABLE_BUILD_WITH_CXX=no +fi; + + MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing for ac_prog in aclocal do @@ -2725,10 +3107,9 @@ test -n "$AUTOHEADER" || AUTOHEADER="$MISSING autoheader" # See config/warnings.m4 for details. -WARN_CFLAGS= +warn= save_CFLAGS="$CFLAGS" -for option in -W -Wall -Wwrite-strings -Wstrict-prototypes \ - -Wmissing-prototypes -Wold-style-definition \ +for option in -W -Wall -Wwrite-strings \ -Wmissing-format-attribute; do as_acx_Woption=`echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh` @@ -2788,7 +3169,75 @@ fi echo "$as_me:$LINENO: result: `eval echo '${'$as_acx_Woption'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_acx_Woption'}'`" >&6 if test `eval echo '${'$as_acx_Woption'}'` = yes; then - WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$option" + warn="$warn${warn:+ }$option" +fi + + done +CFLAGS="$save_CFLAGS" + +c_warn= +save_CFLAGS="$CFLAGS" +for option in -Wstrict-prototypes -Wmissing-prototypes \ + -Wold-style-definition -Wc++-compat; do + as_acx_Woption=`echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh` + + echo "$as_me:$LINENO: checking whether $CC supports $option" >&5 +echo $ECHO_N "checking whether $CC supports $option... $ECHO_C" >&6 +if eval "test \"\${$as_acx_Woption+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + CFLAGS="$option" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_acx_Woption=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_acx_Woption=no" +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_acx_Woption'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_acx_Woption'}'`" >&6 + if test `eval echo '${'$as_acx_Woption'}'` = yes; then + c_warn="$c_warn${c_warn:+ }$option" fi done @@ -2893,6 +3342,7 @@ DEPDIR="${am__leading_dot}deps" ac_config_commands="$ac_config_commands depdir" +if test "$ENABLE_BUILD_WITH_CXX" == "no"; then depcc="$CC" am_compiler_list= am_depcomp=$ac_aux_dir/depcomp @@ -2991,6 +3441,106 @@ else CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type fi +else +depcc="$CXX" am_compiler_list= + +am_depcomp=$ac_aux_dir/depcomp +echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6 +if test "${am_cv_CXX_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CXX_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + if test $depmode = none; then break; fi + + echo "$as_me:$LINENO: trying $depmode" >&5 + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "include sub/conftest.Po" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + depcmd="depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c" + echo "| $depcmd" | sed -e 's/ */ /g' >&5 + if env $depcmd > conftest.err 2>&1 && + grep sub/conftst6.h sub/conftest.Po >>conftest.err 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po >>conftest.err 2>&1 && + ${MAKE-make} -s -f confmf >>conftest.err 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CXX_dependencies_compiler_type=$depmode + echo "$as_me:$LINENO: success" >&5 + break + fi + fi + echo "$as_me:$LINENO: failure, diagnostics are:" >&5 + sed -e 's/^/| /' < conftest.err >&5 + done + + cd .. + rm -rf conftest.dir +else + am_cv_CXX_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CXX_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CXX_dependencies_compiler_type" >&6 +if test x${am_cv_CXX_dependencies_compiler_type-none} = xnone +then { { echo "$as_me:$LINENO: error: no usable dependency style found" >&5 +echo "$as_me: error: no usable dependency style found" >&2;} + { (exit 1); exit 1; }; } +else CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type + +fi + +fi # Checks for header files. echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5 @@ -3120,7 +3670,18 @@ _ACEOF fi -ac_ext=c + +# AC_CHECK_HEADERS is repeated to work around apparent autoconf 2.59 bug. If +# AC_CHECK_HEADERS comes after the if clause, the last AC_LANG call gets used, +# no matter which branch is taken. +if test "$ENABLE_BUILD_WITH_CXX" == "no"; then + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' @@ -3769,6 +4330,407 @@ fi done +else + ac_ext=cc +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + +ac_ext=cc +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5 +echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6 +if test -z "$CXXCPP"; then + if test "${ac_cv_prog_CXXCPP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # Double quotes because CXXCPP needs to be expanded + for CXXCPP in "$CXX -E" "/lib/cpp" + do + ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_cxx_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_cxx_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + break +fi + + done + ac_cv_prog_CXXCPP=$CXXCPP + +fi + CXXCPP=$ac_cv_prog_CXXCPP +else + ac_cv_prog_CXXCPP=$CXXCPP +fi +echo "$as_me:$LINENO: result: $CXXCPP" >&5 +echo "${ECHO_T}$CXXCPP" >&6 +ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_cxx_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_cxx_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + : +else + { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details." >&5 +echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; }; } +fi + +ac_ext=cc +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + + + + + + + + + + +for ac_header in locale.h fcntl.h limits.h stddef.h \ + stdlib.h strings.h string.h sys/file.h unistd.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking $ac_header usability" >&5 +echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_cxx_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking $ac_header presence" >&5 +echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <$ac_header> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_cxx_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 +echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## ----------------------------------- ## +## Report this to gcc-bugs@gcc.gnu.org ## +## ----------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + eval "$as_ac_Header=\$ac_header_preproc" +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 + +fi +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +fi # Checks for typedefs, structures, and compiler characteristics. echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5 @@ -3846,7 +4808,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -3907,7 +4869,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -3978,7 +4940,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4052,7 +5014,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4118,7 +5080,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4184,7 +5146,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4249,7 +5211,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4313,7 +5275,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4376,7 +5338,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4417,7 +5379,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4474,7 +5436,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4515,7 +5477,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4580,7 +5542,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4733,7 +5695,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4796,7 +5758,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4837,7 +5799,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4894,7 +5856,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -4935,7 +5897,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5000,7 +5962,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5206,7 +6168,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5271,7 +6233,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5341,7 +6303,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5411,7 +6373,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5481,7 +6443,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5551,7 +6513,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5621,7 +6583,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5691,7 +6653,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5761,7 +6723,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5831,7 +6793,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5901,7 +6863,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -5971,7 +6933,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6041,7 +7003,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6111,7 +7073,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6181,7 +7143,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6251,7 +7213,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6321,7 +7283,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6391,7 +7353,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6461,7 +7423,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6531,7 +7493,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6601,7 +7563,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6671,7 +7633,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6741,7 +7703,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6814,7 +7776,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -6896,7 +7858,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -7038,7 +8000,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -7175,7 +8137,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -7338,7 +8300,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -7477,7 +8439,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -8117,7 +9079,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -8168,7 +9130,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -8259,7 +9221,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" + { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 @@ -9037,19 +9999,26 @@ s,@CPPFLAGS@,$CPPFLAGS,;t t s,@ac_ct_CC@,$ac_ct_CC,;t t s,@EXEEXT@,$EXEEXT,;t t s,@OBJEXT@,$OBJEXT,;t t +s,@CXX@,$CXX,;t t +s,@CXXFLAGS@,$CXXFLAGS,;t t +s,@ac_ct_CXX@,$ac_ct_CXX,;t t s,@RANLIB@,$RANLIB,;t t s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t +s,@ENABLE_BUILD_WITH_CXX@,$ENABLE_BUILD_WITH_CXX,;t t s,@ACLOCAL@,$ACLOCAL,;t t s,@AUTOCONF@,$AUTOCONF,;t t s,@AUTOHEADER@,$AUTOHEADER,;t t -s,@WARN_CFLAGS@,$WARN_CFLAGS,;t t +s,@warn@,$warn,;t t +s,@c_warn@,$c_warn,;t t s,@WARN_PEDANTIC@,$WARN_PEDANTIC,;t t s,@WERROR@,$WERROR,;t t s,@am__leading_dot@,$am__leading_dot,;t t s,@DEPDIR@,$DEPDIR,;t t s,@CCDEPMODE@,$CCDEPMODE,;t t +s,@CXXDEPMODE@,$CXXDEPMODE,;t t s,@CPP@,$CPP,;t t s,@EGREP@,$EGREP,;t t +s,@CXXCPP@,$CXXCPP,;t t s,@LIBOBJS@,$LIBOBJS,;t t s,@ALLOCA@,$ALLOCA,;t t s,@USE_NLS@,$USE_NLS,;t t diff --git a/libcpp/configure.ac b/libcpp/configure.ac index 833eb435980..a3ab8f551c3 100644 --- a/libcpp/configure.ac +++ b/libcpp/configure.ac @@ -11,8 +11,17 @@ AC_CANONICAL_SYSTEM AC_PROG_MAKE_SET AC_PROG_INSTALL AC_PROG_CC +AC_PROG_CXX AC_PROG_RANLIB +# See if we are building gcc with C++. +# Do this early so setting lang to C++ affects following tests +AC_ARG_ENABLE(build-with-cxx, +[ --enable-build-with-cxx build with C++ compiler instead of C compiler], +ENABLE_BUILD_WITH_CXX=$enableval, +ENABLE_BUILD_WITH_CXX=no) +AC_SUBST(ENABLE_BUILD_WITH_CXX) + MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal]) AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf]) @@ -21,9 +30,10 @@ AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader]) # Figure out what compiler warnings we can enable. # See config/warnings.m4 for details. -ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \ - -Wmissing-prototypes -Wold-style-definition \ - -Wmissing-format-attribute]) +ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings \ + -Wmissing-format-attribute], [warn]) +ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \ + -Wold-style-definition -Wc++-compat], [c_warn]) ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long]) # Only enable with --enable-werror-always until existing warnings are @@ -32,13 +42,28 @@ ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) # Dependency checking. ZW_CREATE_DEPDIR +if test "$ENABLE_BUILD_WITH_CXX" == "no"; then ZW_PROG_COMPILER_DEPENDENCIES([CC]) +else +ZW_PROG_COMPILER_DEPENDENCIES([CXX]) +fi # Checks for header files. AC_HEADER_TIME ACX_HEADER_STRING -AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ + +# AC_CHECK_HEADERS is repeated to work around apparent autoconf 2.59 bug. If +# AC_CHECK_HEADERS comes after the if clause, the last AC_LANG call gets used, +# no matter which branch is taken. +if test "$ENABLE_BUILD_WITH_CXX" == "no"; then + AC_LANG(C) + AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ stdlib.h strings.h string.h sys/file.h unistd.h) +else + AC_LANG(C++) + AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \ + stdlib.h strings.h string.h sys/file.h unistd.h) +fi # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST diff --git a/libcpp/directives.c b/libcpp/directives.c index 23d89259bc9..9c988dfa136 100644 --- a/libcpp/directives.c +++ b/libcpp/directives.c @@ -918,7 +918,7 @@ do_line (cpp_reader *pfile) { cpp_string s = { 0, 0 }; if (cpp_interpret_string_notranslate (pfile, &token->val.str, 1, - &s, false)) + &s, CPP_STRING)) new_file = (const char *)s.text; check_eol (pfile, true); } @@ -974,7 +974,7 @@ do_linemarker (cpp_reader *pfile) { cpp_string s = { 0, 0 }; if (cpp_interpret_string_notranslate (pfile, &token->val.str, - 1, &s, false)) + 1, &s, CPP_STRING)) new_file = (const char *)s.text; new_sysp = 0; diff --git a/libcpp/files.c b/libcpp/files.c index c8c19021f56..69aa7895361 100644 --- a/libcpp/files.c +++ b/libcpp/files.c @@ -381,8 +381,8 @@ find_file_in_dir (cpp_reader *pfile, _cpp_file *file, bool *invalid_pch) /* We copy the path name onto an obstack partly so that we don't leak the memory, but mostly so that we don't fragment the heap. */ - copy = obstack_copy0 (&pfile->nonexistent_file_ob, path, - strlen (path)); + copy = (char *) obstack_copy0 (&pfile->nonexistent_file_ob, path, + strlen (path)); free (path); pp = htab_find_slot_with_hash (pfile->nonexistent_file_hash, copy, hv, INSERT); @@ -1144,7 +1144,7 @@ file_hash_eq (const void *p, const void *q) static int nonexistent_file_hash_eq (const void *p, const void *q) { - return strcmp (p, q) == 0; + return strcmp ((const char *) p, (const char *) q) == 0; } /* Initialize everything in this source file. */ diff --git a/libcpp/include/cpp-id-data.h b/libcpp/include/cpp-id-data.h index d2adbfaebdf..a57edad521d 100644 --- a/libcpp/include/cpp-id-data.h +++ b/libcpp/include/cpp-id-data.h @@ -18,10 +18,6 @@ along with this program; see the file COPYING3. If not see #include "cpplib.h" -#ifdef __cplusplus -extern "C" { -#endif - #if !defined (HAVE_UCHAR) && !defined (IN_GCC) typedef unsigned char uchar; #endif @@ -83,7 +79,3 @@ struct GTY(()) cpp_macro { tokens. */ unsigned int extra_tokens : 1; }; - -#ifdef __cplusplus -} -#endif diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index d39b80e2a5a..71c7ef26351 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -28,10 +28,6 @@ along with this program; see the file COPYING3. If not see #include "symtab.h" #include "line-map.h" -#ifdef __cplusplus -extern "C" { -#endif - typedef struct cpp_reader cpp_reader; typedef struct cpp_buffer cpp_buffer; typedef struct cpp_options cpp_options; @@ -933,8 +929,4 @@ extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **); extern int cpp_read_state (cpp_reader *, const char *, FILE *, struct save_macro_data *); -#ifdef __cplusplus -} -#endif - #endif /* ! LIBCPP_CPPLIB_H */ diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h index 09e72f14d4b..31ac8e5d4c3 100644 --- a/libcpp/include/line-map.h +++ b/libcpp/include/line-map.h @@ -23,10 +23,6 @@ along with this program; see the file COPYING3. If not see #ifndef LIBCPP_LINE_MAP_H #define LIBCPP_LINE_MAP_H -#ifdef __cplusplus -extern "C" { -#endif - #ifndef GTY #define GTY(x) /* nothing */ #endif @@ -191,8 +187,4 @@ extern const struct line_map *linemap_lookup extern source_location linemap_position_for_column (struct line_maps *set, unsigned int to_column); -#ifdef __cplusplus -} -#endif - #endif /* !LIBCPP_LINE_MAP_H */ diff --git a/libcpp/include/mkdeps.h b/libcpp/include/mkdeps.h index def7b5641f8..50bcee40726 100644 --- a/libcpp/include/mkdeps.h +++ b/libcpp/include/mkdeps.h @@ -23,10 +23,6 @@ along with this program; see the file COPYING3. If not see #ifndef LIBCPP_MKDEPS_H #define LIBCPP_MKDEPS_H -#ifdef __cplusplus -extern "C" { -#endif - /* This is the data structure used by all the functions in mkdeps.c. It's quite straightforward, but should be treated as opaque. */ @@ -80,8 +76,4 @@ extern int deps_restore (struct deps *, FILE *, const char *); automatic dependency schemes. */ extern void deps_phony_targets (const struct deps *, FILE *); -#ifdef __cplusplus -} -#endif - #endif /* ! LIBCPP_MKDEPS_H */ diff --git a/libcpp/include/symtab.h b/libcpp/include/symtab.h index e1bc00cb6f6..ebb56007a03 100644 --- a/libcpp/include/symtab.h +++ b/libcpp/include/symtab.h @@ -21,10 +21,6 @@ along with this program; see the file COPYING3. If not see #include "obstack.h" -#ifdef __cplusplus -extern "C" { -#endif - #ifndef GTY #define GTY(x) /* nothing */ #endif @@ -104,8 +100,4 @@ extern void ht_load (hash_table *ht, hashnode *entries, /* Dump allocation statistics to stderr. */ extern void ht_dump_statistics (hash_table *); -#ifdef __cplusplus -} -#endif - #endif /* LIBCPP_SYMTAB_H */ diff --git a/libcpp/symtab.c b/libcpp/symtab.c index 086d775d599..48a5338b1f8 100644 --- a/libcpp/symtab.c +++ b/libcpp/symtab.c @@ -163,7 +163,7 @@ ht_lookup_with_hash (hash_table *table, const unsigned char *str, if (table->alloc_subobject) { - char *chars = table->alloc_subobject (len + 1); + char *chars = (char *) table->alloc_subobject (len + 1); memcpy (chars, str, len); chars[len] = '\0'; HT_STR (node) = (const unsigned char *) chars; |