335 lines
10 KiB
Plaintext
335 lines
10 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 ${enableval} for newlib-mb option) ;;
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esac], [newlib_mb=])dnl
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dnl Support --enable-newlib-multithread
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AC_ARG_ENABLE(newlib-multithread,
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[ --enable-newlib-multithread enable support for multiple threads],
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[case "${enableval}" in
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yes) newlib_multithread=yes ;;
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no) newlib_multithread=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;;
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esac], [newlib_multithread=yes])dnl
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dnl Support --enable-newlib-elix-level
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AC_ARG_ENABLE(newlib-elix-level,
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[ --enable-newlib-elix-level supply desired elix library level (1-4)],
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[case "${enableval}" in
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0) newlib_elix_level=0 ;;
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1) newlib_elix_level=1 ;;
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2) newlib_elix_level=2 ;;
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3) newlib_elix_level=3 ;;
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4) newlib_elix_level=4 ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;;
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esac], [newlib_elix_level=0])dnl
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dnl Support --disable-newlib-io-float
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AC_ARG_ENABLE(newlib-io-float,
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[ --disable-newlib-io-float disable printf/scanf family float support],
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[case "${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 ${enableval} for newlib-io-float option) ;;
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esac], [newlib_io_float=yes])dnl
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dnl Support --disable-newlib-supplied-syscalls
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AC_ARG_ENABLE(newlib-supplied-syscalls,
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[ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
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[case "${enableval}" in
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yes) newlib_may_supply_syscalls=yes ;;
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no) newlib_may_supply_syscalls=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
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esac], [newlib_may_supply_syscalls=yes])dnl
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AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
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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_SYSTEM
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AM_INIT_AUTOMAKE(newlib, 1.11.0)
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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(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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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=${ldflags}
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AC_SUBST(LDFLAGS)
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AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
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AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
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AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
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AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
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AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
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AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
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# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
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# use oext, which is set in configure.host based on the target platform.
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OBJEXT=${oext}
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AC_SUBST(OBJEXT)
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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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# 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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$1_FALSE=
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fi])
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# Add --enable-maintainer-mode option to configure.
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# From Jim Meyering
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# serial 1
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AC_DEFUN(AM_MAINTAINER_MODE,
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[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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dnl maintainer-mode is disabled by default
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode enable make rules and dependencies not useful
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(and sometimes confusing) to the casual installer],
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USE_MAINTAINER_MODE=$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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