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authorIan Lance Taylor <ian@airs.com>1999-05-27 21:42:14 +0000
committerIan Lance Taylor <ian@airs.com>1999-05-27 21:42:14 +0000
commit86686498644aa873d3721157ded867f9180177fa (patch)
treea769bb9c66cf881cbcd756f83ef0d51a003e9677 /bfd/aclocal.m4
parenteac349f88849154db8d8e94379189def58e39f8e (diff)
downloadgdb-86686498644aa873d3721157ded867f9180177fa.tar.gz
1999-05-28 Martin Dorey <mdorey@madge.com>
* elf32-i960.c: New file. * elf.c (prep_headers): Handle bfd_arch_i960. * targets.c (bfd_target_vector): Add &bfd_elf32_i960_vec. * config.bfd (i960-*-elf*): New target. * configure.in (bfd_elf32_i960_vec): New target vector. * Makefile.am (BFD32_BACKENDS): Add elf32-i960.lo. (BFD32_BACKENDS_CFILES): Add elf32-i960.c. * Makefile.in, aclocal.m4, configure: Rebuild.
Diffstat (limited to 'bfd/aclocal.m4')
-rw-r--r--bfd/aclocal.m4471
1 files changed, 412 insertions, 59 deletions
diff --git a/bfd/aclocal.m4 b/bfd/aclocal.m4
index 43580002449..39df10e5092 100644
--- a/bfd/aclocal.m4
+++ b/bfd/aclocal.m4
@@ -208,26 +208,58 @@ fi
AC_SUBST($1)])
-# serial 25 AM_PROG_LIBTOOL
-AC_DEFUN(AM_PROG_LIBTOOL,
-[AC_REQUIRE([AM_ENABLE_SHARED])dnl
-AC_REQUIRE([AM_ENABLE_STATIC])dnl
+# serial 35 AC_PROG_LIBTOOL
+AC_DEFUN(AC_PROG_LIBTOOL,
+[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
+
+# Save cache, so that ltconfig can load it
+AC_CACHE_SAVE
+
+# Actually configure libtool. ac_aux_dir is where install-sh is found.
+CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
+LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
+DLLTOOL="$DLLTOOL" AS="$AS" \
+${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
+$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
+|| AC_MSG_ERROR([libtool configure failed])
+
+# Reload cache, that may have been modified by ltconfig
+AC_CACHE_LOAD
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+# Redirect the config.log output again, so that the ltconfig log is not
+# clobbered by the next message.
+exec 5>>./config.log
+])
+
+AC_DEFUN(AC_LIBTOOL_SETUP,
+[AC_PREREQ(2.13)dnl
+AC_REQUIRE([AC_ENABLE_SHARED])dnl
+AC_REQUIRE([AC_ENABLE_STATIC])dnl
+AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_REQUIRE([AC_PROG_CC])dnl
-AC_REQUIRE([AM_PROG_LD])dnl
-AC_REQUIRE([AM_PROG_NM])dnl
+AC_REQUIRE([AC_PROG_LD])dnl
+AC_REQUIRE([AC_PROG_NM])dnl
+AC_REQUIRE([AC_SYS_NM_PARSE])dnl
+AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl
AC_REQUIRE([AC_PROG_LN_S])dnl
dnl
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-AC_SUBST(LIBTOOL)dnl
# Check for any special flags to pass to ltconfig.
-libtool_flags=
+libtool_flags="--cache-file=$cache_file"
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
+test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
+test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen"
test "$silent" = yes && libtool_flags="$libtool_flags --silent"
test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
@@ -256,37 +288,46 @@ case "$host" in
*-*-sco3.2v5*)
# On SCO OpenServer 5, we need -belf to get full-featured binaries.
+ SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -belf"
+ AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+ [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
+ if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+ # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+ CFLAGS="$SAVE_CFLAGS"
+ fi
;;
*-*-cygwin*)
- AM_SYS_LIBTOOL_CYGWIN
+ AC_SYS_LIBTOOL_CYGWIN
;;
esac
-# Actually configure libtool. ac_aux_dir is where install-sh is found.
-CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
-LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
-DLLTOOL="$DLLTOOL" AS="$AS" \
-${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
-$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
-|| AC_MSG_ERROR([libtool configure failed])
+# enable the --disable-libtool-lock switch
-# Redirect the config.log output again, so that the ltconfig log is not
-# clobbered by the next message.
-exec 5>>./config.log
+AC_ARG_ENABLE(libtool-lock,
+[ --disable-libtool-lock force libtool not to do file locking],
+need_locks=$enableval,
+need_locks=yes)
+
+if test x"$need_locks" = xno; then
+ libtool_flags="$libtool_flags --disable-lock"
+fi
])
-# AM_ENABLE_SHARED - implement the --enable-shared flag
-# Usage: AM_ENABLE_SHARED[(DEFAULT)]
+# AC_LIBTOOL_DLOPEN - check for dlopen support
+AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes])
+
+# AC_ENABLE_SHARED - implement the --enable-shared flag
+# Usage: AC_ENABLE_SHARED[(DEFAULT)]
# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
# `yes'.
-AC_DEFUN(AM_ENABLE_SHARED,
-[define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_DEFUN(AC_ENABLE_SHARED,
+[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(shared,
changequote(<<, >>)dnl
-<< --enable-shared[=PKGS] build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT],
+<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
@@ -304,26 +345,22 @@ no) enable_shared=no ;;
IFS="$ac_save_ifs"
;;
esac],
-enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
+enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
])
-# AM_DISABLE_SHARED - set the default shared flag to --disable-shared
-AC_DEFUN(AM_DISABLE_SHARED,
-[AM_ENABLE_SHARED(no)])
+# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
+AC_DEFUN(AC_DISABLE_SHARED,
+[AC_ENABLE_SHARED(no)])
-# AM_DISABLE_STATIC - set the default static flag to --disable-static
-AC_DEFUN(AM_DISABLE_STATIC,
-[AM_ENABLE_STATIC(no)])
-
-# AM_ENABLE_STATIC - implement the --enable-static flag
-# Usage: AM_ENABLE_STATIC[(DEFAULT)]
+# AC_ENABLE_STATIC - implement the --enable-static flag
+# Usage: AC_ENABLE_STATIC[(DEFAULT)]
# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
# `yes'.
-AC_DEFUN(AM_ENABLE_STATIC,
-[define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_DEFUN(AC_ENABLE_STATIC,
+[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(static,
changequote(<<, >>)dnl
-<< --enable-static[=PKGS] build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT],
+<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
@@ -341,28 +378,74 @@ no) enable_static=no ;;
IFS="$ac_save_ifs"
;;
esac],
-enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
+enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
+])
+
+# AC_DISABLE_STATIC - set the default static flag to --disable-static
+AC_DEFUN(AC_DISABLE_STATIC,
+[AC_ENABLE_STATIC(no)])
+
+
+# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
+# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
+# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
+# `yes'.
+AC_DEFUN(AC_ENABLE_FAST_INSTALL,
+[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE(fast-install,
+changequote(<<, >>)dnl
+<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
+changequote([, ])dnl
+[p=${PACKAGE-default}
+case "$enableval" in
+yes) enable_fast_install=yes ;;
+no) enable_fast_install=no ;;
+*)
+ enable_fast_install=no
+ # Look at the argument we got. We use all the common list separators.
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
+ for pkg in $enableval; do
+ if test "X$pkg" = "X$p"; then
+ enable_fast_install=yes
+ fi
+ done
+ IFS="$ac_save_ifs"
+ ;;
+esac],
+enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
])
+# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
+AC_DEFUN(AC_DISABLE_FAST_INSTALL,
+[AC_ENABLE_FAST_INSTALL(no)])
+
-# AM_PROG_LD - find the path to the GNU or non-GNU linker
-AC_DEFUN(AM_PROG_LD,
+# AC_PROG_LD - find the path to the GNU or non-GNU linker
+AC_DEFUN(AC_PROG_LD,
[AC_ARG_WITH(gnu-ld,
[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
-AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
ac_prog=ld
if test "$ac_cv_prog_gcc" = yes; then
# Check if gcc -print-prog-name=ld gives a path.
AC_MSG_CHECKING([for ld used by GCC])
ac_prog=`($CC -print-prog-name=ld) 2>&5`
case "$ac_prog" in
- # Accept absolute paths.
+ # Accept absolute paths.
changequote(,)dnl
- /* | [A-Za-z]:\\*)
+ /* | [A-Za-z]:[\\/]*)
+ re_direlt='/[^/][^/]*/\.\./'
changequote([,])dnl
- test -z "$LD" && LD="$ac_prog"
- ;;
+ # Canonicalize the path of ld
+ ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
+ while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
"")
# If it fails, then pretend we aren't using GCC.
ac_prog=ld
@@ -390,7 +473,7 @@ AC_CACHE_VAL(ac_cv_path_LD,
if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
test "$with_gnu_ld" != no && break
else
- test "$with_gnu_ld" != yes && break
+ test "$with_gnu_ld" != yes && break
fi
fi
done
@@ -406,10 +489,10 @@ else
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_SUBST(LD)
-AM_PROG_LD_GNU
+AC_PROG_LD_GNU
])
-AC_DEFUN(AM_PROG_LD_GNU,
+AC_DEFUN(AC_PROG_LD_GNU,
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
@@ -419,8 +502,8 @@ else
fi])
])
-# AM_PROG_NM - find the path to a BSD-compatible name lister
-AC_DEFUN(AM_PROG_NM,
+# AC_PROG_NM - find the path to a BSD-compatible name lister
+AC_DEFUN(AC_PROG_NM,
[AC_MSG_CHECKING([for BSD-compatible nm])
AC_CACHE_VAL(ac_cv_path_NM,
[if test -n "$NM"; then
@@ -428,20 +511,22 @@ AC_CACHE_VAL(ac_cv_path_NM,
ac_cv_path_NM="$NM"
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
- for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
+ for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/nm; then
# Check to see if the nm accepts a BSD-compat flag.
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
# nm: unknown option "B" ignored
if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
- ac_cv_path_NM="$ac_dir/nm -B"
+ ac_cv_path_NM="$ac_dir/nm -B"
+ break
elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
- ac_cv_path_NM="$ac_dir/nm -p"
+ ac_cv_path_NM="$ac_dir/nm -p"
+ break
else
- ac_cv_path_NM="$ac_dir/nm"
+ ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
fi
- break
fi
done
IFS="$ac_save_ifs"
@@ -452,12 +537,280 @@ AC_MSG_RESULT([$NM])
AC_SUBST(NM)
])
-# AM_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin
-AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN,
+# AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed
+# by C symbol name from nm.
+AC_DEFUN(AC_SYS_NM_PARSE,
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_NM])dnl
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output])
+AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
+[# These are sane defaults that work on at least a few old systems.
+# {They come from Ultrix. What could be older than Ultrix?!! ;)}
+
+changequote(,)dnl
+# Character class describing NM global symbol codes.
+ac_symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Transform the above into a raw symbol and a C symbol.
+ac_symxfrm='\1 \2\3 \3'
+
+# Transform an extracted symbol line into a proper C declaration
+ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
+
+# Define system-specific variables.
+case "$host_os" in
+aix*)
+ ac_symcode='[BCDT]'
+ ;;
+cygwin* | mingw*)
+ ac_symcode='[ABCDGISTW]'
+ ;;
+hpux*)
+ ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
+ ;;
+irix*)
+ ac_symcode='[BCDEGRST]'
+ ;;
+solaris*)
+ ac_symcode='[BDT]'
+ ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
+ ac_symcode='[ABCDGISTW]'
+fi
+changequote([,])dnl
+
+# Try without a prefix undercore, then with it.
+for ac_symprfx in "" "_"; do
+
+ ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'"
+
+ # Check to see that the pipe works correctly.
+ ac_pipe_works=no
+ rm -f conftest.$ac_ext
+ cat > conftest.$ac_ext <<EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func;return 0;}
+EOF
+
+ if AC_TRY_EVAL(ac_compile); then
+ # Now try to grab the symbols.
+ ac_nlist=conftest.nm
+
+ if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
+
+ # Try sorting and uniquifying the output.
+ if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
+ mv -f "$ac_nlist"T "$ac_nlist"
+ else
+ rm -f "$ac_nlist"T
+ fi
+
+ # Make sure that we snagged all the symbols we need.
+ if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
+ if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
+ cat <<EOF > conftest.c
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EOF
+ # Now generate the symbol file.
+ eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c'
+
+ cat <<EOF >> conftest.c
+#if defined (__STDC__) && __STDC__
+# define lt_ptr_t void *
+#else
+# define lt_ptr_t char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+const struct {
+ const char *name;
+ lt_ptr_t address;
+}
+changequote(,)dnl
+lt_preloaded_symbols[] =
+changequote([,])dnl
+{
+EOF
+ sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
+ cat <<\EOF >> conftest.c
+ {0, (lt_ptr_t) 0}
+};
+
+#ifdef __cplusplus
+}
+#endif
+EOF
+ # Now try linking the two files.
+ mv conftest.$ac_objext conftestm.$ac_objext
+ ac_save_LIBS="$LIBS"
+ ac_save_CFLAGS="$CFLAGS"
+ LIBS="conftestm.$ac_objext"
+ CFLAGS="$CFLAGS$no_builtin_flag"
+ if AC_TRY_EVAL(ac_link) && test -s conftest; then
+ ac_pipe_works=yes
+ else
+ echo "configure: failed program was:" >&AC_FD_CC
+ cat conftest.c >&AC_FD_CC
+ fi
+ LIBS="$ac_save_LIBS"
+ CFLAGS="$ac_save_CFLAGS"
+ else
+ echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
+ fi
+ else
+ echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
+ fi
+ else
+ echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
+ fi
+ else
+ echo "$progname: failed program was:" >&AC_FD_CC
+ cat conftest.c >&AC_FD_CC
+ fi
+ rm -rf conftest*
+
+ # Do not use the global_symbol_pipe unless it works.
+ if test "$ac_pipe_works" = yes; then
+ if test x"$ac_symprfx" = x"_"; then
+ ac_cv_sys_symbol_underscore=yes
+ else
+ ac_cv_sys_symbol_underscore=no
+ fi
+ break
+ else
+ ac_cv_sys_global_symbol_pipe=
+ fi
+done
+])
+
+ac_result=yes
+if test -z "$ac_cv_sys_global_symbol_pipe"; then
+ ac_result=no
+fi
+AC_MSG_RESULT($ac_result)
+])
+
+# AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin
+AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN,
[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(AS, as, false)
])
+# AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols
+# with an underscore?
+AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE,
+[AC_REQUIRE([AC_PROG_NM])dnl
+AC_REQUIRE([AC_SYS_NM_PARSE])dnl
+AC_MSG_CHECKING([for _ prefix in compiled symbols])
+AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
+[ac_cv_sys_symbol_underscore=no
+cat > conftest.$ac_ext <<EOF
+void nm_test_func(){}
+int main(){nm_test_func;return 0;}
+EOF
+if AC_TRY_EVAL(ac_compile); then
+ # Now try to grab the symbols.
+ ac_nlist=conftest.nm
+ if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
+ # See whether the symbols have a leading underscore.
+ if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
+ ac_cv_sys_symbol_underscore=yes
+ else
+ if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
+ :
+ else
+ echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
+ fi
+ fi
+ else
+ echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
+ fi
+else
+ echo "configure: failed program was:" >&AC_FD_CC
+ cat conftest.c >&AC_FD_CC
+fi
+rm -rf conftest*
+])
+AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
+USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no}
+AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl
+])
+
+# AC_CHECK_LIBM - check for math library
+AC_DEFUN(AC_CHECK_LIBM, [
+AC_CHECK_LIB(mw, _mwvalidcheckl)
+AC_CHECK_LIB(m, cos)
+])
+
+# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
+# the libltdl convenience library, adds --enable-ltdl-convenience to
+# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
+# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
+# to be `${top_builddir}/libltdl'. Make sure you start DIR with
+# '${top_builddir}/' (note the single quotes!) if your package is not
+# flat, and, if you're not using automake, define top_builddir as
+# appropriate in the Makefiles.
+AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [
+ case "$enable_ltdl_convenience" in
+ no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
+ "") enable_ltdl_convenience=yes
+ ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+ esac
+ LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
+])
+
+# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
+# the libltdl installable library, and adds --enable-ltdl-install to
+# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
+# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
+# to be `${top_builddir}/libltdl'. Make sure you start DIR with
+# '${top_builddir}/' (note the single quotes!) if your package is not
+# flat, and, if you're not using automake, define top_builddir as
+# appropriate in the Makefiles.
+# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
+AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [
+ AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [
+ case "$enable_ltdl_install" in
+ no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;;
+ "") enable_ltdl_install=yes
+ ac_configure_args="$ac_configure_args --enable-ltdl-install" ;;
+ esac
+ ])
+ if test x"$enable_ltdl_install" != x"no"; then
+ LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
+ fi
+])
+
+dnl old names
+AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
+AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
+AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
+AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
+AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
+AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
+AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
+AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl
+AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl
+AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl
+
# Like AC_CONFIG_HEADER, but automatically create stamp file.
AC_DEFUN(AM_CONFIG_HEADER,