dnl This provides configure definitions used by all the newlib
|
dnl This provides configure definitions used by all the newlib
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dnl configure.in files.
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dnl configure.in files.
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|
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dnl Basic newlib configury. This calls basic introductory stuff,
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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 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 configure.host. The only argument is the relative path to the top
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dnl newlib directory.
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dnl newlib directory.
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|
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AC_DEFUN(NEWLIB_CONFIGURE,
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AC_DEFUN(NEWLIB_CONFIGURE,
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[
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[
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dnl Default to --enable-multilib
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dnl Default to --enable-multilib
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AC_ARG_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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[ --enable-multilib build many library versions (default)],
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[case "${enableval}" in
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[case "${enableval}" in
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yes) multilib=yes ;;
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yes) multilib=yes ;;
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no) multilib=no ;;
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no) multilib=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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esac], [multilib=yes])dnl
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esac], [multilib=yes])dnl
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|
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dnl Support --enable-target-optspace
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dnl Support --enable-target-optspace
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AC_ARG_ENABLE(target-optspace,
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AC_ARG_ENABLE(target-optspace,
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[ --enable-target-optspace optimize for space],
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[ --enable-target-optspace optimize for space],
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[case "${enableval}" in
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[case "${enableval}" in
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yes) target_optspace=yes ;;
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yes) target_optspace=yes ;;
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no) target_optspace=no ;;
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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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*) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
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esac], [target_optspace=])dnl
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esac], [target_optspace=])dnl
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|
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dnl Support --enable-newlib-mb
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dnl Support --enable-newlib-mb
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AC_ARG_ENABLE(newlib-mb,
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AC_ARG_ENABLE(newlib-mb,
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[ --enable-newlib-mb enable multibyte support],
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[ --enable-newlib-mb enable multibyte support],
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[case "${enableval}" in
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[case "${enableval}" in
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yes) newlib_mb=yes ;;
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yes) newlib_mb=yes ;;
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no) newlib_mb=no ;;
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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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*) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
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esac], [newlib_mb=no])dnl
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esac], [newlib_mb=no])dnl
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|
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dnl We may get other options which we don't document:
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dnl We may get other options which we don't document:
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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|
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test -z "[$]{with_target_subdir}" && with_target_subdir=.
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test -z "[$]{with_target_subdir}" && with_target_subdir=.
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|
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if test "[$]{srcdir}" = "."; then
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if test "[$]{srcdir}" = "."; then
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if test "[$]{with_target_subdir}" != "."; then
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if test "[$]{with_target_subdir}" != "."; then
|
newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
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newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
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else
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else
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newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
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newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
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fi
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fi
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else
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else
|
newlib_basedir="[$]{srcdir}/$1"
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newlib_basedir="[$]{srcdir}/$1"
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fi
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fi
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AC_SUBST(newlib_basedir)
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AC_SUBST(newlib_basedir)
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|
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AC_CANONICAL_HOST
|
AC_CANONICAL_HOST
|
|
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AM_INIT_AUTOMAKE(newlib, 1.8.2)
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AM_INIT_AUTOMAKE(newlib, 1.8.2)
|
|
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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
|
# 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
|
# 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
|
# are probably using a cross compiler, which will not be able to fully
|
# link an executable. This should really be fixed in autoconf
|
# link an executable. This should really be fixed in autoconf
|
# itself.
|
# itself.
|
|
|
AC_DEFUN(LIB_AC_PROG_CC,
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AC_DEFUN(LIB_AC_PROG_CC,
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
AC_CHECK_PROG(CC, gcc, gcc)
|
AC_CHECK_PROG(CC, gcc, gcc)
|
if test -z "$CC"; then
|
if test -z "$CC"; then
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
|
fi
|
fi
|
|
|
AC_PROG_CC_GNU
|
AC_PROG_CC_GNU
|
|
|
if test $ac_cv_prog_gcc = yes; then
|
if test $ac_cv_prog_gcc = yes; then
|
GCC=yes
|
GCC=yes
|
dnl Check whether -g works, even if CFLAGS is set, in case the package
|
dnl Check whether -g works, even if CFLAGS is set, in case the package
|
dnl plays around with CFLAGS (such as to build both debugging and
|
dnl plays around with CFLAGS (such as to build both debugging and
|
dnl normal versions of a library), tasteless as that idea is.
|
dnl normal versions of a library), tasteless as that idea is.
|
ac_test_CFLAGS="${CFLAGS+set}"
|
ac_test_CFLAGS="${CFLAGS+set}"
|
ac_save_CFLAGS="$CFLAGS"
|
ac_save_CFLAGS="$CFLAGS"
|
CFLAGS=
|
CFLAGS=
|
AC_PROG_CC_G
|
AC_PROG_CC_G
|
if test "$ac_test_CFLAGS" = set; then
|
if test "$ac_test_CFLAGS" = set; then
|
CFLAGS="$ac_save_CFLAGS"
|
CFLAGS="$ac_save_CFLAGS"
|
elif test $ac_cv_prog_cc_g = yes; then
|
elif test $ac_cv_prog_cc_g = yes; then
|
CFLAGS="-g -O2"
|
CFLAGS="-g -O2"
|
else
|
else
|
CFLAGS="-O2"
|
CFLAGS="-O2"
|
fi
|
fi
|
else
|
else
|
GCC=
|
GCC=
|
test "${CFLAGS+set}" = set || CFLAGS="-g"
|
test "${CFLAGS+set}" = set || CFLAGS="-g"
|
fi
|
fi
|
])
|
])
|
|
|
LIB_AC_PROG_CC
|
LIB_AC_PROG_CC
|
|
|
# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
|
# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
|
# run it explicitly here, it will be run implicitly before
|
# run it explicitly here, it will be run implicitly before
|
# NEWLIB_CONFIGURE, which doesn't work because that means that it will
|
# NEWLIB_CONFIGURE, which doesn't work because that means that it will
|
# be run before AC_CANONICAL_HOST.
|
# be run before AC_CANONICAL_HOST.
|
AC_CANONICAL_BUILD
|
AC_CANONICAL_BUILD
|
|
|
AC_CHECK_TOOL(AS, as)
|
AC_CHECK_TOOL(AS, as)
|
AC_CHECK_TOOL(AR, ar)
|
AC_CHECK_TOOL(AR, ar)
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
|
|
AC_PROG_INSTALL
|
AC_PROG_INSTALL
|
|
|
AM_MAINTAINER_MODE
|
AM_MAINTAINER_MODE
|
|
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
|
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
|
# at least currently, we never actually build a program, so we never
|
# at least currently, we never actually build a program, so we never
|
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
|
# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
|
# fails, because we are probably configuring with a cross compiler
|
# fails, because we are probably configuring with a cross compiler
|
# which can't create executables. So we include AC_EXEEXT to keep
|
# which can't create executables. So we include AC_EXEEXT to keep
|
# automake happy, but we don't execute it, since we don't care about
|
# automake happy, but we don't execute it, since we don't care about
|
# the result.
|
# the result.
|
if false; then
|
if false; then
|
AC_EXEEXT
|
AC_EXEEXT
|
fi
|
fi
|
|
|
. [$]{newlib_basedir}/configure.host
|
. [$]{newlib_basedir}/configure.host
|
|
|
case [$]{newlib_basedir} in
|
case [$]{newlib_basedir} in
|
/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
|
/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
|
*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
|
*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
|
esac
|
esac
|
|
|
newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
|
newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
|
case "${host}" in
|
case "${host}" in
|
*-*-cygwin*)
|
*-*-cygwin*)
|
newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/include"
|
newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/include"
|
;;
|
;;
|
esac
|
esac
|
|
|
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
|
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
|
|
|
NEWLIB_CFLAGS=${newlib_cflags}
|
NEWLIB_CFLAGS=${newlib_cflags}
|
AC_SUBST(NEWLIB_CFLAGS)
|
AC_SUBST(NEWLIB_CFLAGS)
|
|
|
AC_SUBST(machine_dir)
|
AC_SUBST(machine_dir)
|
AC_SUBST(sys_dir)
|
AC_SUBST(sys_dir)
|
])
|
])
|
|
|
