AC_DEFUN([AM_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 $enableval for multilib option]) ;;
esac],
[multilib=yes])
if test "$srcdir" = "."; then
if test "$with_target_subdir" != "."; then
multi_basedir="$srcdir/$with_multisrctop../$2"
else
multi_basedir="$srcdir/$with_multisrctop$2"
fi
else
multi_basedir="$srcdir/$2"
fi
AC_SUBST(multi_basedir)
if test $cross_compiling = no && test $multilib = yes \
&& test "x${with_multisubdir}" != x ; then
cross_compiling=maybe
fi
AC_OUTPUT_COMMANDS([
case " $CONFIG_FILES " in
*" ]m4_default([$1],Makefile)[ "*)
ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
;;
esac],
[
srcdir="$srcdir"
host="$host"
target="$target"
with_multisubdir="$with_multisubdir"
with_multisrctop="$with_multisrctop"
with_target_subdir="$with_target_subdir"
ac_configure_args="${multilib_arg} ${ac_configure_args}"
multi_basedir="$multi_basedir"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
CC="$CC"])])