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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,
AC_HELP_STRING([--enable-multilib],
[build many library versions (default=no)]),
[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
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"; then
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}"])
])
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