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authorJoel Sherrill <joel.sherrill@OARcorp.com>2000-10-18 13:14:49 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2000-10-18 13:14:49 +0000
commitaac7fdd28cf1ffbce75e88a1174e75bf5dfa0f30 (patch)
treec738bfae54c1916b7637adb784317dc20e3d32b7 /macros/multilib.m4
parentf43d7f71eb78d6dc7a3b1a1334b45a734c19fc4f (diff)
downloadrtems-aac7fdd28cf1ffbce75e88a1174e75bf5dfa0f30.tar.bz2
2000-09-14 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* macros: New directory. * macros/bsp-alias.m4: new file. * macros/canonical-host.m4: new file. * macros/canonical-target-name.m4: new file. * macros/canonicalize-tools.m4: new file. * macros/check-bsp-cache.m4: new file. * macros/check-bsps.m4: new file. * macros/check-cpu.m4: new file. * macros/rtems-debug.m4: new file. * macros/check-cxx.m4: new file. * macros/check-itron.m4: new file. * macros/check-multiprocessing.m4: new file. * macros/check-networking.m4: new file. * macros/check-newlib.m4: new file. * macros/check-posix.m4: new file. * macros/check-rdbg.m4: new file. * macros/enable-bare.m4: new file. * macros/enable-cxx.m4: new file. * macros/enable-gcc28.m4: new file. * macros/enable-inlines.m4: new file. * macros/enable-itron.m4: new file. * macros/enable-libcdir.m4: new file. * macros/enable-multiprocessing.m4: new file. * macros/enable-networking.m4: new file. * macros/enable-posix.m4: new file. * macros/enable-rdbg.m4: new file. * macros/enable-rtemsbsp.m4: new file. * macros/enable-tests.m4: new file. * macros/gcc-pipe.m4: new file. * macros/gcc-specs.m4: new file. * macros/i386-gas-code16.m4: new file. * macros/path-ksh.m4: new file. * macros/path-perl.m4: new file. * macros/prog-cc.m4: new file. * macros/prog-cxx.m4: new file. * macros/project-root.m4: new file. * macros/rtems-top.m4: new file. * macros/sysv-ipc.m4: new file. * macros/target.m4: new file. * macros/rtems-test-no-pause.m4: new file. * macros/multilib.m4: new file. * macros/tool-paths.m4: new file. * macros/tool-prefix.m4: new file.
Diffstat (limited to 'macros/multilib.m4')
-rw-r--r--macros/multilib.m459
1 files changed, 59 insertions, 0 deletions
diff --git a/macros/multilib.m4 b/macros/multilib.m4
new file mode 100644
index 0000000000..1d11561f0a
--- /dev/null
+++ b/macros/multilib.m4
@@ -0,0 +1,59 @@
+dnl This provides configure definitions used for multilib support
+
+dnl parts of these macros are derived from newlib-1.8.2's multilib support
+
+AC_DEFUN(RTEMS_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 ${enableval} for multilib option) ;;
+ esac], [multilib=no])dnl
+
+AM_CONDITIONAL(MULTILIB,test x"${multilib}" = x"yes")
+])
+
+AC_DEFUN(RTEMS_ENABLE_MULTILIB_MASTER,
+[
+AC_REQUIRE([RTEMS_ENABLE_MULTILIB])
+
+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 "[$]{with_target_subdir}" != "."; then
+ multilib_basedir="[$]{srcdir}/[$]{with_multisrctop}../ifelse([$2],,,[$2])"
+ else
+ multilib_basedir="[$]{srcdir}/[$]{with_multisrctop}ifelse([$2],,,[$2])"
+ fi
+else
+ multilib_basedir="[$]{srcdir}/ifelse([$2],,,[$2])"
+fi
+AC_SUBST(multilib_basedir)
+
+if test "${multilib}" = "yes"; then
+ multilib_arg="--enable-multilib"
+else
+ multilib_arg=
+fi
+
+AC_OUTPUT_COMMANDS(
+ if test -n "$CONFIG_FILES"; do
+ $ac_file" = ifelse([$1],,Makefile,[$1]) \
+ . ${multilib_basedir}/../config-ml.in
+ fi,
+ srcdir=${srcdir}
+ host=${host}
+ target=${target}
+# with_multisrctop="${with_multisrctop}"
+# with_target_subdir="${with_target_subdir}"
+ with_multisubdir="${with_multisubdir}"
+ ac_configure_args="${multilib_arg} ${ac_configure_args}"
+ CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+ multilib_basedir=${multilib_basedir}
+ CC="${CC}")
+])