libtool/libtool.m4
Gary V. Vaughan 777c2b07c7 * libtool.m4 (AC_PATH_FILE): new macro replaces
AC_PATH_TOOL_GREP_OUTPUT.
(AC_PATH_TOOL_PREFIX): new macro replaces
AC_PATH_PROG_GREP_OUTPUT.
(AC_LD_RELOAD_FLAG):  migrated from ltconfig.in.
(AC_DEPLIBS_CHECK_METHOD): ditto.
* ltconfig.in (reload_flag): moved to libtool.m4.
(deplbs_check_method): ditto.
1999-10-10 00:47:55 +00:00

684 lines
22 KiB
Bash

## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
## Copyright (C) 1996-1999 Free Software Foundation, Inc.
## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
##
## As a special exception to the GNU General Public License, if you
## distribute this file as part of a program that contains a
## configuration script generated by Autoconf, you may include it under
## the same distribution terms that you use for the rest of that program.
# serial 42 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" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
$libtool_flags --no-verify --build="$build" $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) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl
# Redirect the config.log output again, so that the ltconfig log is not
# clobbered by the next message.
exec 5>>./config.log
])
AC_DEFUN(AC_LIBTOOL_SETUP,
[AC_PREREQ(2.13)dnl
AC_REQUIRE([AC_ENABLE_SHARED])dnl
AC_REQUIRE([AC_ENABLE_STATIC])dnl
AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
AC_REQUIRE([AC_PROG_CC])dnl
with_gcc="$GCC"; AC_SUBST([with_gcc])
AC_REQUIRE([AC_PROG_LD])dnl
AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
AC_REQUIRE([AC_PROG_NM])dnl
AC_REQUIRE([AC_PROG_LN_S])dnl
AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
AC_REQUIRE([AC_OBJEXT])dnl
AC_REQUIRE([AC_EXEEXT])dnl
dnl
# Only perform the check for file, if the check method requires it
case "$deplibs_check_method" in
file_magic*)
if test "$file_magic_cmd" == '$FILE'; then
AC_PATH_FILE
fi
;;
esac
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
# Check for any special flags to pass to ltconfig.
libtool_flags="--cache-file=$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 "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
[libtool_flags="$libtool_flags --enable-dlopen"])
ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
[libtool_flags="$libtool_flags --enable-win32-dll"])
AC_ARG_ENABLE(libtool-lock,
[ --disable-libtool-lock avoid locking (might break parallel builds)])
test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
AC_ARG_WITH(pic,
[ --with-pic try to use only PIC/non-PIC objects [default=use both]],
pic_mode="$withval", pic_mode=default)
test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case "$host" in
*-*-irix6*)
# Find out which ABI we are using.
echo '[#]line __oline__ "configure"' > conftest.$ac_ext
if AC_TRY_EVAL(ac_compile); then
case "`/usr/bin/file conftest.o`" in
*32-bit*)
LD="${LD-ld} -32"
;;
*N32*)
LD="${LD-ld} -n32"
;;
*64-bit*)
LD="${LD-ld} -64"
;;
esac
fi
rm -rf conftest*
;;
*-*-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
;;
ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
[*-*-cygwin* | *-*-mingw*)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
# recent cygwin and mingw systems supply a stub DllMain which the user
# can override, but on older systems we have to supply one
AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
[AC_TRY_LINK([DllMain (0, 0, 0);],
[extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);],
[lt_cv_need_dllmain=yes],[lt_cv_need_dllmain=no])])
case $host in
*-*-cygwin*)
# cygwin systems need to pass --dll to the linker, and not link
# crt.o which will require a WinMain@16 definition.
lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
*-*-mingw*)
# old mingw systems require "-dll" to link a DLL, while more recent ones
# require "-mdll"
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mdll"
AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
[AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
CFLAGS="$SAVE_CFLAGS" ;;
esac
;;
])
esac
])
# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
# 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(AC_ENABLE_SHARED, [dnl
define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(shared,
changequote(<<, >>)dnl
<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
for pkg in $enableval; do
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS="$ac_save_ifs"
;;
esac],
enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
])
# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_SHARED(no)])
# 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(AC_ENABLE_STATIC, [dnl
define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE(static,
changequote(<<, >>)dnl
<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
changequote([, ])dnl
[p=${PACKAGE-default}
case "$enableval" in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
for pkg in $enableval; do
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS="$ac_save_ifs"
;;
esac],
enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
])
# AC_DISABLE_STATIC - set the default static flag to --disable-static
AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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, [dnl
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_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_ENABLE_FAST_INSTALL(no)])
# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
AC_DEFUN(AC_PATH_TOOL_PREFIX,
[AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(lt_cv_path_FILE,
[case "$FILE" in
/*)
lt_cv_path_FILE="$FILE" # Let the user override the test with a path.
;;
?:/*)
ac_cv_path_FILE="$FILE" # Let the user override the test with a dos path.
;;
*)
ac_save_file="$FILE"
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word. This closes a longstanding sh security hole.
ac_dummy="ifelse([$2], , $PATH, [$2])"
for ac_dir in $ac_dummy; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$1; then
lt_cv_path_FILE="$ac_dir/$1"
if test -n "$file_magic_test_file"; then
case "$deplibs_check_method" in
"file_magic "*)
file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
FILE="$lt_cv_path_FILE"
if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
egrep "$file_magic_regex" > /dev/null; then
:
else
cat <<EOF 1>&2
*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such. This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem. Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** bug-libtool@gnu.org
EOF
fi ;;
esac
fi
break
fi
done
IFS="$ac_save_ifs"
FILE="$ac_save_file"
;;
esac])
FILE="$lt_cv_path_FILE"
if test -n "$FILE"; then
AC_MSG_RESULT($FILE)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])
# AC_PATH_FILE - find a file program which can recognise a shared library
AC_DEFUN(AC_PATH_FILE,
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
if test -z "$lt_cv_path_FILE"; then
if test -n "$ac_tool_prefix"; then
AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
else
FILE=:
fi
fi
AC_SUBST(FILE)dnl
])
# 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 "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
ac_prog=ld
if test "$ac_cv_prog_gcc" = yes; then
# Check if gcc -print-prog-name=ld gives a path.
AC_MSG_CHECKING([for ld used by GCC])
case $host in
*-*-mingw*)
# gcc leaves a trailing carriage return which upsets mingw
ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
*)
ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
esac
case "$ac_prog" in
# Accept absolute paths.
changequote(,)dnl
[\\/]* | [A-Za-z]:[\\/]*)
re_direlt='/[^/][^/]*/\.\./'
changequote([,])dnl
# 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
;;
*)
# If it is relative, then search for the first ld in PATH.
with_gnu_ld=unknown
;;
esac
elif test "$with_gnu_ld" = yes; then
AC_MSG_CHECKING([for GNU ld])
else
AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(ac_cv_path_LD,
[if test -z "$LD"; then
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
ac_cv_path_LD="$ac_dir/$ac_prog"
# Check to see if the program is GNU ld. I'd rather use --version,
# but apparently some GNU ld's only accept -v.
# Break only if it was the GNU/non-GNU ld that we prefer.
if "$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
fi
fi
done
IFS="$ac_save_ifs"
else
ac_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$ac_cv_path_LD"
if test -n "$LD"; then
AC_MSG_RESULT($LD)
else
AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
AC_SUBST(LD)
AC_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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
ac_cv_prog_gnu_ld=yes
else
ac_cv_prog_gnu_ld=no
fi])
with_gnu_ld=$ac_cv_prog_gnu_ld
AC_SUBST(with_gnu_ld)
])
# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
# -- PORTME Some linkers may need a different reload flag.
AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
[lt_cv_ld_reload_flag='-r'])
reload_flag=$ac_cv_ld_reload_flag
test -n "$reload_flag" && reload_flag=" $reload_flag"
AC_SUBST(reload_flag)
])
# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
# -- PORTME fill in with the dynamic library characteristics
AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
[AC_CACHE_CHECK([how to recognise dependant libraries],
lt_cv_deplibs_check_method,
[lt_cv_file_magic_cmd='$FILE'
lt_cv_file_magic_test_file=
lt_cv_deplibs_check_method='unknown'
# Need to set the preceding variable on all platforms that support
# interlibrary dependencies.
# 'none' -- dependencies not supported.
# `unknown' -- same as none, but documents that we really don't know.
# 'pass_all' -- all dependencies passed with no checks.
# 'test_compile' -- check by making test program.
# 'file_magic [regex]' -- check by looking for files in library path
# which responds to the $file_magic_cmd with a given egrep regex.
# If you have `file' or equivalent on your system and you're not sure
# whether `pass_all' will *always* work, you probably want this one.
case "$host_os" in
aix4* | beos*)
lt_cv_deplibs_check_method=pass_all
;;
bsdi4*)
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
lt_cv_file_magic_test_file=/shlib/libc.so
;;
cygwin* | mingw*)
lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
lt_cv_file_magic_cmd='${OBJDUMP} -f'
;;
freebsd*)
case "$version_type" in
freebsd-elf*)
lt_cv_deplibs_check_method=pass_all
;;
esac
;;
gnu*)
lt_cv_deplibs_check_method=pass_all
;;
irix5* | irix6*)
case "$host_os" in
irix5*)
# this will be overridden with pass_all, but let us keep it just in case
lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
;;
*)
case "$LD" in
*-32|*"-32 ") libmagic=32-bit;;
*-n32|*"-n32 ") libmagic=N32;;
*-64|*"-64 ") libmagic=64-bit;;
*) libmagic=never-match;;
esac
# this will be overridden with pass_all, but let us keep it just in case
lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
;;
esac
lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
lt_cv_deplibs_check_method=pass_all
;;
# This must be Linux ELF.
linux-gnu*)
case "$host_cpu" in
alpha* | i*86 | sparc* )
lt_cv_deplibs_check_method=pass_all ;;
*)
# glibc up to 2.1.1 does not perform some relocations on ARM
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
esac
lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
;;
osf3* | osf4* | osf5*)
# this will be overridden with pass_all, but let us keep it just in case
lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
lt_cv_file_magic_test_file=/shlib/libc.so
lt_cv_deplibs_check_method=pass_all
;;
sco3.2v5*)
lt_cv_deplibs_check_method=pass_all
;;
solaris*)
lt_cv_deplibs_check_method=pass_all
lt_cv_file_magic_test_file=/lib/libc.so
;;
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
case "$host_vendor" in
ncr)
lt_cv_deplibs_check_method=pass_all
;;
motorola)
lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
;;
esac
;;
esac
])
file_magic_cmd=$lt_cv_file_magic_cmd
deplibs_check_method=$lt_cv_deplibs_check_method
AC_SUBST(file_magic_cmd)
AC_SUBST(deplibs_check_method)
])
# 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 "$NM"; then
# Let the user override the test.
ac_cv_path_NM="$NM"
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; 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"
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"
break
else
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
fi
done
IFS="$ac_save_ifs"
test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
fi])
NM="$ac_cv_path_NM"
AC_MSG_RESULT([$NM])
AC_SUBST(NM)
])
# AC_CHECK_LIBM - check for math library
AC_DEFUN(AC_CHECK_LIBM,
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case "$host" in
*-*-beos* | *-*-cygwin*)
# These system don't have libm
;;
*-ncr-sysv4.3*)
AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
;;
*)
AC_CHECK_LIB(m, main, LIBM="-lm")
;;
esac
])
# 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, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
case "$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
INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
])
# 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_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
AC_CHECK_LIB(ltdl, main,
[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
[if test x"$enable_ltdl_install" = xno; then
AC_MSG_WARN([libltdl not installed, but installation disabled])
else
enable_ltdl_install=yes
fi
])
if test x"$enable_ltdl_install" = x"yes"; then
ac_configure_args="$ac_configure_args --enable-ltdl-install"
LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
else
ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
LIBLTDL="-lltdl"
INCLTDL=
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
dnl This is just to silence aclocal about the macro not being used
ifelse([AC_DISABLE_FAST_INSTALL])dnl