#serial 99
AC_DEFUN([AC_ENABLE_MULTILIB],
[
AC_ARG_ENABLE(multilib,
AS_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")
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_CONFIG_COMMANDS([default-1],[case " $CONFIG_FILES " in
*" ]m4_if([$1],,Makefile,[$1])[ "*)
ac_file=]m4_if([$1],,Makefile,[$1])[ . ${multilib_basedir}/config-ml.in
esac],[
srcdir=${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}"
])
])