AC_DEFUN([AC_MIPS_ABI], [
AC_ARG_WITH(mips_abi,
[ --with-mips-abi=abi ABI to use for IRIX (32, n32, or 64)])
case "$host_os" in
irix*)
with_mips_abi="${with_mips_abi:-yes}"
if test -n "$GCC"; then
case "${with_mips_abi}" in
32|o32) abi='-mabi=32'; abilibdirext='' ;;
n32|yes) abi='-mabi=n32'; abilibdirext='32' ;;
64) abi='-mabi=64'; abilibdirext='64' ;;
no) abi=''; abilibdirext='';;
*) AC_ERROR("Invalid ABI specified") ;;
esac
if test -n "$abi" ; then
ac_foo=krb_cv_gcc_`echo $abi | tr =- __`
AC_MSG_CHECKING([if $CC supports the $abi option])
AC_CACHE_VAL($ac_foo, [
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $abi"
AC_TRY_COMPILE(,int x;, eval $ac_foo=yes, eval $ac_foo=no)
CFLAGS="$save_CFLAGS"
])
ac_res=`eval echo \\\$$ac_foo`
AC_MSG_RESULT($ac_res)
if test $ac_res = no; then
case $abi in
-mabi=32)
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mabi=n32"
AC_TRY_COMPILE(,int x;, ac_res=yes, ac_res=no)
CLAGS="$save_CFLAGS"
if test $ac_res = yes; then
AC_ERROR([$CC does not support the $with_mips_abi ABI])
fi
abi=''
abilibdirext=''
;;
-mabi=n32|-mabi=64)
if test $with_mips_abi = yes; then
abi=''
abilibdirext=''
else
AC_ERROR([$CC does not support the $with_mips_abi ABI])
fi
;;
esac
fi fi else
case "${with_mips_abi}" in
32|o32) abi='-32'; abilibdirext='' ;;
n32|yes) abi='-n32'; abilibdirext='32' ;;
64) abi='-64'; abilibdirext='64' ;;
no) abi=''; abilibdirext='';;
*) AC_ERROR("Invalid ABI specified") ;;
esac
fi ;;
esac
CFLAGS="${CFLAGS} $abi"
libdir=`echo $libdir | sed 's,/*$,$abilibdirext,'`
LDFLAGS=`echo $LDFLAGS | sed -e "s,/lib$,/lib$abilibdirext," -e "s,\\\(/lib[^a-zA-Z]\\\),\\\1$abilibdirext,g"`
])