283 lines
8.5 KiB
Plaintext
283 lines
8.5 KiB
Plaintext
dnl aclocal.m4 generated automatically by aclocal 1.4
|
|
|
|
dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
|
|
dnl This file is free software; the Free Software Foundation
|
|
dnl gives unlimited permission to copy and/or distribute it,
|
|
dnl with or without modifications, as long as this notice is preserved.
|
|
|
|
dnl This program is distributed in the hope that it will be useful,
|
|
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
|
|
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
dnl PARTICULAR PURPOSE.
|
|
|
|
dnl This provides configure definitions used by all the newlib
|
|
dnl configure.in files.
|
|
|
|
dnl Basic newlib configury. This calls basic introductory stuff,
|
|
dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
|
|
dnl configure.host. The only argument is the relative path to the top
|
|
dnl newlib directory.
|
|
|
|
AC_DEFUN(NEWLIB_CONFIGURE,
|
|
[
|
|
dnl Default to --enable-multilib
|
|
AC_ARG_ENABLE(multilib,
|
|
[ --enable-multilib build many library versions (default)],
|
|
[case "${enableval}" in
|
|
yes) multilib=yes ;;
|
|
no) multilib=no ;;
|
|
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
|
|
esac], [multilib=yes])dnl
|
|
|
|
dnl Support --enable-target-optspace
|
|
AC_ARG_ENABLE(target-optspace,
|
|
[ --enable-target-optspace optimize for space],
|
|
[case "${enableval}" in
|
|
yes) target_optspace=yes ;;
|
|
no) target_optspace=no ;;
|
|
*) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
|
|
esac], [target_optspace=])dnl
|
|
|
|
dnl Support --enable-newlib-mb
|
|
AC_ARG_ENABLE(newlib-mb,
|
|
[ --enable-newlib-mb enable multibyte support],
|
|
[case "${enableval}" in
|
|
yes) newlib_mb=yes ;;
|
|
no) newlib_mb=no ;;
|
|
*) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
|
|
esac], [newlib_mb=no])dnl
|
|
|
|
dnl We may get other options which we don't document:
|
|
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
|
|
|
|
test -z "[$]{with_target_subdir}" && with_target_subdir=.
|
|
|
|
if test "[$]{srcdir}" = "."; then
|
|
if test "[$]{with_target_subdir}" != "."; then
|
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
|
|
else
|
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
|
|
fi
|
|
else
|
|
newlib_basedir="[$]{srcdir}/$1"
|
|
fi
|
|
AC_SUBST(newlib_basedir)
|
|
|
|
AC_CANONICAL_HOST
|
|
|
|
AM_INIT_AUTOMAKE(newlib, 1.9.0)
|
|
|
|
# FIXME: We temporarily define our own version of AC_PROG_CC. This is
|
|
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
|
|
# are probably using a cross compiler, which will not be able to fully
|
|
# link an executable. This should really be fixed in autoconf
|
|
# itself.
|
|
|
|
AC_DEFUN(LIB_AC_PROG_CC,
|
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
|
AC_CHECK_PROG(CC, gcc, gcc)
|
|
if test -z "$CC"; then
|
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
|
fi
|
|
|
|
AC_PROG_CC_GNU
|
|
|
|
if test $ac_cv_prog_gcc = yes; then
|
|
GCC=yes
|
|
dnl Check whether -g works, even if CFLAGS is set, in case the package
|
|
dnl plays around with CFLAGS (such as to build both debugging and
|
|
dnl normal versions of a library), tasteless as that idea is.
|
|
ac_test_CFLAGS="${CFLAGS+set}"
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
CFLAGS=
|
|
AC_PROG_CC_G
|
|
if test "$ac_test_CFLAGS" = set; then
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
elif test $ac_cv_prog_cc_g = yes; then
|
|
CFLAGS="-g -O2"
|
|
else
|
|
CFLAGS="-O2"
|
|
fi
|
|
else
|
|
GCC=
|
|
test "${CFLAGS+set}" = set || CFLAGS="-g"
|
|
fi
|
|
])
|
|
|
|
LIB_AC_PROG_CC
|
|
|
|
# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
|
|
# run it explicitly here, it will be run implicitly before
|
|
# NEWLIB_CONFIGURE, which doesn't work because that means that it will
|
|
# be run before AC_CANONICAL_HOST.
|
|
AC_CANONICAL_BUILD
|
|
|
|
AC_CHECK_TOOL(AS, as)
|
|
AC_CHECK_TOOL(AR, ar)
|
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
|
|
|
AC_PROG_INSTALL
|
|
|
|
AM_MAINTAINER_MODE
|
|
|
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
|
|
# at least currently, we never actually build a program, so we never
|
|
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
|
|
# fails, because we are probably configuring with a cross compiler
|
|
# which can't create executables. So we include AC_EXEEXT to keep
|
|
# automake happy, but we don't execute it, since we don't care about
|
|
# the result.
|
|
if false; then
|
|
AC_EXEEXT
|
|
fi
|
|
|
|
. [$]{newlib_basedir}/configure.host
|
|
|
|
case [$]{newlib_basedir} in
|
|
/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
|
|
*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
|
|
esac
|
|
|
|
newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
|
|
case "${host}" in
|
|
*-*-cygwin*)
|
|
newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
|
|
;;
|
|
esac
|
|
|
|
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
|
|
|
|
NEWLIB_CFLAGS=${newlib_cflags}
|
|
AC_SUBST(NEWLIB_CFLAGS)
|
|
|
|
AC_SUBST(machine_dir)
|
|
AC_SUBST(sys_dir)
|
|
])
|
|
|
|
# Do all the work for Automake. This macro actually does too much --
|
|
# some checks are only needed if your package does certain things.
|
|
# But this isn't really a big deal.
|
|
|
|
# serial 1
|
|
|
|
dnl Usage:
|
|
dnl AM_INIT_AUTOMAKE(package,version, [no-define])
|
|
|
|
AC_DEFUN(AM_INIT_AUTOMAKE,
|
|
[AC_REQUIRE([AC_PROG_INSTALL])
|
|
PACKAGE=[$1]
|
|
AC_SUBST(PACKAGE)
|
|
VERSION=[$2]
|
|
AC_SUBST(VERSION)
|
|
dnl test to see if srcdir already configured
|
|
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
|
|
AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
|
|
fi
|
|
ifelse([$3],,
|
|
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
|
|
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
|
|
AC_REQUIRE([AM_SANITY_CHECK])
|
|
AC_REQUIRE([AC_ARG_PROGRAM])
|
|
dnl FIXME This is truly gross.
|
|
missing_dir=`cd $ac_aux_dir && pwd`
|
|
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
|
|
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
|
|
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
|
|
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
|
|
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
|
|
AC_REQUIRE([AC_PROG_MAKE_SET])])
|
|
|
|
#
|
|
# Check to make sure that the build environment is sane.
|
|
#
|
|
|
|
AC_DEFUN(AM_SANITY_CHECK,
|
|
[AC_MSG_CHECKING([whether build environment is sane])
|
|
# Just in case
|
|
sleep 1
|
|
echo timestamp > conftestfile
|
|
# Do `set' in a subshell so we don't clobber the current shell's
|
|
# arguments. Must try -L first in case configure is actually a
|
|
# symlink; some systems play weird games with the mod time of symlinks
|
|
# (eg FreeBSD returns the mod time of the symlink's containing
|
|
# directory).
|
|
if (
|
|
set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
|
|
if test "[$]*" = "X"; then
|
|
# -L didn't work.
|
|
set X `ls -t $srcdir/configure conftestfile`
|
|
fi
|
|
if test "[$]*" != "X $srcdir/configure conftestfile" \
|
|
&& test "[$]*" != "X conftestfile $srcdir/configure"; then
|
|
|
|
# If neither matched, then we have a broken ls. This can happen
|
|
# if, for instance, CONFIG_SHELL is bash and it inherits a
|
|
# broken ls alias from the environment. This has actually
|
|
# happened. Such a system could not be considered "sane".
|
|
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
|
|
alias in your environment])
|
|
fi
|
|
|
|
test "[$]2" = conftestfile
|
|
)
|
|
then
|
|
# Ok.
|
|
:
|
|
else
|
|
AC_MSG_ERROR([newly created file is older than distributed files!
|
|
Check your system clock])
|
|
fi
|
|
rm -f conftest*
|
|
AC_MSG_RESULT(yes)])
|
|
|
|
dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
|
|
dnl The program must properly implement --version.
|
|
AC_DEFUN(AM_MISSING_PROG,
|
|
[AC_MSG_CHECKING(for working $2)
|
|
# Run test in a subshell; some versions of sh will print an error if
|
|
# an executable is not found, even if stderr is redirected.
|
|
# Redirect stdin to placate older versions of autoconf. Sigh.
|
|
if ($2 --version) < /dev/null > /dev/null 2>&1; then
|
|
$1=$2
|
|
AC_MSG_RESULT(found)
|
|
else
|
|
$1="$3/missing $2"
|
|
AC_MSG_RESULT(missing)
|
|
fi
|
|
AC_SUBST($1)])
|
|
|
|
# Add --enable-maintainer-mode option to configure.
|
|
# From Jim Meyering
|
|
|
|
# serial 1
|
|
|
|
AC_DEFUN(AM_MAINTAINER_MODE,
|
|
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
|
|
dnl maintainer-mode is disabled by default
|
|
AC_ARG_ENABLE(maintainer-mode,
|
|
[ --enable-maintainer-mode enable make rules and dependencies not useful
|
|
(and sometimes confusing) to the casual installer],
|
|
USE_MAINTAINER_MODE=$enableval,
|
|
USE_MAINTAINER_MODE=no)
|
|
AC_MSG_RESULT($USE_MAINTAINER_MODE)
|
|
AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
|
|
MAINT=$MAINTAINER_MODE_TRUE
|
|
AC_SUBST(MAINT)dnl
|
|
]
|
|
)
|
|
|
|
# Define a conditional.
|
|
|
|
AC_DEFUN(AM_CONDITIONAL,
|
|
[AC_SUBST($1_TRUE)
|
|
AC_SUBST($1_FALSE)
|
|
if $2; then
|
|
$1_TRUE=
|
|
$1_FALSE='#'
|
|
else
|
|
$1_TRUE='#'
|
|
$1_FALSE=
|
|
fi])
|
|
|