714 lines
22 KiB
Plaintext
714 lines
22 KiB
Plaintext
dnl aclocal.m4 generated automatically by aclocal 1.4
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dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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dnl PARTICULAR PURPOSE.
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dnl This provides configure definitions used by all the newlib
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dnl configure.in files.
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dnl Basic newlib configury. This calls basic introductory stuff,
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dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
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dnl configure.host. The only argument is the relative path to the top
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dnl newlib directory.
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AC_DEFUN(NEWLIB_CONFIGURE,
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[
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dnl Default to --enable-multilib
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AC_ARG_ENABLE(multilib,
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[ --enable-multilib build many library versions (default)],
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[case "${enableval}" in
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yes) multilib=yes ;;
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no) multilib=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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esac], [multilib=yes])dnl
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dnl Support --enable-target-optspace
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AC_ARG_ENABLE(target-optspace,
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[ --enable-target-optspace optimize for space],
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[case "${enableval}" in
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yes) target_optspace=yes ;;
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no) target_optspace=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
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esac], [target_optspace=])dnl
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dnl Support --enable-malloc-debugging - currently only supported for Cygwin
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AC_ARG_ENABLE(malloc-debugging,
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[ --enable-malloc-debugging indicate malloc debugging requested],
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[case "${enableval}" in
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yes) malloc_debugging=yes ;;
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no) malloc_debugging=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
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esac], [malloc_debugging=])dnl
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dnl Support --enable-newlib-mb
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AC_ARG_ENABLE(newlib-mb,
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[ --enable-newlib-mb enable multibyte support],
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[case "${enableval}" in
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yes) newlib_mb=yes ;;
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no) newlib_mb=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
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esac], [newlib_mb=no])dnl
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dnl Support --disable-newlib-io-float
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AC_ARG_ENABLE(newlib-io-float,
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[ --disable-newlib-io-float disable printf/scanf family float support],
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[case "${enableval}" in
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yes) newlib_io_float=yes ;;
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no) newlib_io_float=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
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esac], [newlib_io_float=yes])dnl
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dnl We may get other options which we don't document:
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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test -z "[$]{with_target_subdir}" && with_target_subdir=.
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if test "[$]{srcdir}" = "."; then
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if test "[$]{with_target_subdir}" != "."; then
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newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
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else
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newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
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fi
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else
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newlib_basedir="[$]{srcdir}/$1"
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fi
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AC_SUBST(newlib_basedir)
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AC_CANONICAL_HOST
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AM_INIT_AUTOMAKE(newlib, 1.10.0)
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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable. This should really be fixed in autoconf
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# itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_CHECK_PROG(CC, gcc, gcc)
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if test -z "$CC"; then
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AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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AC_PROG_CC_G
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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elif test $ac_cv_prog_cc_g = yes; then
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CFLAGS="-g -O2"
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else
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CFLAGS="-O2"
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fi
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else
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GCC=
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test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CC
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# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
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# run it explicitly here, it will be run implicitly before
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# NEWLIB_CONFIGURE, which doesn't work because that means that it will
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# be run before AC_CANONICAL_HOST.
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AC_CANONICAL_BUILD
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AC_CHECK_TOOL(AS, as)
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_PROG_INSTALL
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AM_MAINTAINER_MODE
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# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
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# at least currently, we never actually build a program, so we never
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# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
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# fails, because we are probably configuring with a cross compiler
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# which can't create executables. So we include AC_EXEEXT to keep
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# automake happy, but we don't execute it, since we don't care about
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# the result.
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if false; then
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AC_EXEEXT
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fi
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. [$]{newlib_basedir}/configure.host
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case [$]{newlib_basedir} in
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/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
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*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
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esac
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newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
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case "${host}" in
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*-*-cygwin*)
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newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
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;;
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esac
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newlib_cflags="[$]{newlib_cflags} -fno-builtin"
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NEWLIB_CFLAGS=${newlib_cflags}
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AC_SUBST(NEWLIB_CFLAGS)
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LDFLAGS=${ldflags}
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AC_SUBST(LDFLAGS)
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AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
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AC_SUBST(oext)
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AC_SUBST(aext)
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AC_SUBST(libm_machine_dir)
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AC_SUBST(machine_dir)
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AC_SUBST(sys_dir)
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])
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# Do all the work for Automake. This macro actually does too much --
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# some checks are only needed if your package does certain things.
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# But this isn't really a big deal.
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# serial 1
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dnl Usage:
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dnl AM_INIT_AUTOMAKE(package,version, [no-define])
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AC_DEFUN(AM_INIT_AUTOMAKE,
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[AC_REQUIRE([AC_PROG_INSTALL])
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PACKAGE=[$1]
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AC_SUBST(PACKAGE)
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VERSION=[$2]
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AC_SUBST(VERSION)
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dnl test to see if srcdir already configured
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if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
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AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
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fi
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ifelse([$3],,
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AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
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AC_REQUIRE([AM_SANITY_CHECK])
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AC_REQUIRE([AC_ARG_PROGRAM])
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dnl FIXME This is truly gross.
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missing_dir=`cd $ac_aux_dir && pwd`
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AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
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AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
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AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
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AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
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AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
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AC_REQUIRE([AC_PROG_MAKE_SET])])
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#
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# Check to make sure that the build environment is sane.
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#
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AC_DEFUN(AM_SANITY_CHECK,
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[AC_MSG_CHECKING([whether build environment is sane])
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# Just in case
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sleep 1
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echo timestamp > conftestfile
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# Do `set' in a subshell so we don't clobber the current shell's
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# arguments. Must try -L first in case configure is actually a
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# symlink; some systems play weird games with the mod time of symlinks
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# (eg FreeBSD returns the mod time of the symlink's containing
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# directory).
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if (
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set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
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if test "[$]*" = "X"; then
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# -L didn't work.
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set X `ls -t $srcdir/configure conftestfile`
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fi
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if test "[$]*" != "X $srcdir/configure conftestfile" \
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&& test "[$]*" != "X conftestfile $srcdir/configure"; then
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# If neither matched, then we have a broken ls. This can happen
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# if, for instance, CONFIG_SHELL is bash and it inherits a
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# broken ls alias from the environment. This has actually
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# happened. Such a system could not be considered "sane".
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AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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alias in your environment])
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fi
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test "[$]2" = conftestfile
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)
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then
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# Ok.
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:
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else
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AC_MSG_ERROR([newly created file is older than distributed files!
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Check your system clock])
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fi
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rm -f conftest*
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AC_MSG_RESULT(yes)])
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dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
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dnl The program must properly implement --version.
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AC_DEFUN(AM_MISSING_PROG,
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[AC_MSG_CHECKING(for working $2)
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# Run test in a subshell; some versions of sh will print an error if
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# an executable is not found, even if stderr is redirected.
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# Redirect stdin to placate older versions of autoconf. Sigh.
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if ($2 --version) < /dev/null > /dev/null 2>&1; then
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$1=$2
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AC_MSG_RESULT(found)
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else
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$1="$3/missing $2"
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AC_MSG_RESULT(missing)
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fi
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AC_SUBST($1)])
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# Add --enable-maintainer-mode option to configure.
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# From Jim Meyering
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# serial 1
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AC_DEFUN(AM_MAINTAINER_MODE,
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[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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dnl maintainer-mode is disabled by default
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode enable make rules and dependencies not useful
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(and sometimes confusing) to the casual installer],
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USE_MAINTAINER_MODE=$enableval,
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USE_MAINTAINER_MODE=no)
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AC_MSG_RESULT($USE_MAINTAINER_MODE)
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AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
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MAINT=$MAINTAINER_MODE_TRUE
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AC_SUBST(MAINT)dnl
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]
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)
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# Define a conditional.
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AC_DEFUN(AM_CONDITIONAL,
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[AC_SUBST($1_TRUE)
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AC_SUBST($1_FALSE)
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if $2; then
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$1_TRUE=
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$1_FALSE='#'
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else
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$1_TRUE='#'
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$1_FALSE=
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fi])
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# serial 40 AC_PROG_LIBTOOL
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AC_DEFUN(AC_PROG_LIBTOOL,
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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# Save cache, so that ltconfig can load it
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AC_CACHE_SAVE
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# Actually configure libtool. ac_aux_dir is where install-sh is found.
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CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
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DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
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|| AC_MSG_ERROR([libtool configure failed])
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# Reload cache, that may have been modified by ltconfig
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AC_CACHE_LOAD
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# This can be used to rebuild libtool when needed
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LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
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# Always use our own libtool.
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LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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AC_SUBST(LIBTOOL)dnl
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# Redirect the config.log output again, so that the ltconfig log is not
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# clobbered by the next message.
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exec 5>>./config.log
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])
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AC_DEFUN(AC_LIBTOOL_SETUP,
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[AC_PREREQ(2.13)dnl
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AC_REQUIRE([AC_ENABLE_SHARED])dnl
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AC_REQUIRE([AC_ENABLE_STATIC])dnl
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AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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AC_REQUIRE([AC_PROG_RANLIB])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_LD])dnl
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AC_REQUIRE([AC_PROG_NM])dnl
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AC_REQUIRE([AC_PROG_LN_S])dnl
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dnl
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# Check for any special flags to pass to ltconfig.
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libtool_flags="--cache-file=$cache_file"
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test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
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test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
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test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
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test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
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ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
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[libtool_flags="$libtool_flags --enable-dlopen"])
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[libtool_flags="$libtool_flags --enable-win32-dll"])
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AC_ARG_ENABLE(libtool-lock,
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[ --disable-libtool-lock avoid locking (might break parallel builds)])
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test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
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test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
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# Some flags need to be propagated to the compiler or linker for good
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# libtool support.
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case "$host" in
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*-*-irix6*)
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# Find out which ABI we are using.
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echo '[#]line __oline__ "configure"' > conftest.$ac_ext
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if AC_TRY_EVAL(ac_compile); then
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case "`/usr/bin/file conftest.o`" in
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*32-bit*)
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LD="${LD-ld} -32"
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;;
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*N32*)
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LD="${LD-ld} -n32"
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;;
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*64-bit*)
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LD="${LD-ld} -64"
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;;
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esac
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fi
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rm -rf conftest*
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;;
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*-*-sco3.2v5*)
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# On SCO OpenServer 5, we need -belf to get full-featured binaries.
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -belf"
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AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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[AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
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if test x"$lt_cv_cc_needs_belf" != x"yes"; then
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# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
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CFLAGS="$SAVE_CFLAGS"
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fi
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;;
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[*-*-cygwin* | *-*-mingw*)
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AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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AC_CHECK_TOOL(AS, as, false)
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AC_CHECK_TOOL(OBJDUMP, objdump, false)
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;;
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])
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esac
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])
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# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
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AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
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# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
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AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
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# AC_ENABLE_SHARED - implement the --enable-shared flag
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# Usage: AC_ENABLE_SHARED[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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# `yes'.
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AC_DEFUN(AC_ENABLE_SHARED, [dnl
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define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(shared,
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changequote(<<, >>)dnl
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<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_shared=yes ;;
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no) enable_shared=no ;;
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*)
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enable_shared=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_shared=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
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])
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# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
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AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_SHARED(no)])
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# 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([$0],[AC_LIBTOOL_SETUP])dnl
|
|
AC_ENABLE_FAST_INSTALL(no)])
|
|
|
|
# AC_PROG_LD - find the path to the GNU or non-GNU linker
|
|
AC_DEFUN(AC_PROG_LD,
|
|
[AC_ARG_WITH(gnu-ld,
|
|
[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
|
|
test "$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 "$ac_cv_prog_gcc" = yes; then
|
|
# Check if gcc -print-prog-name=ld gives a path.
|
|
AC_MSG_CHECKING([for ld used by GCC])
|
|
ac_prog=`($CC -print-prog-name=ld) 2>&5`
|
|
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_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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
|
|
ac_cv_prog_gnu_ld=yes
|
|
else
|
|
ac_cv_prog_gnu_ld=no
|
|
fi])
|
|
])
|
|
|
|
# AC_PROG_NM - find the path to a BSD-compatible name lister
|
|
AC_DEFUN(AC_PROG_NM,
|
|
[AC_MSG_CHECKING([for BSD-compatible nm])
|
|
AC_CACHE_VAL(ac_cv_path_NM,
|
|
[if test -n "$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_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
|
|
|