glibc/sysdeps/mach/hurd/configure
Roland McGrath dde2f4a0b8 2002-01-05 Roland McGrath <roland@frob.com>
* config.h.in (HAVE_MIG_RETCODE): New #undef.
	* sysdeps/mach/hurd/configure.in (hurd_MIG_RETCODE: New macro
	swiped from hurd package's aclocal.m4; use it to set HAVE_MIG_RETCODE.
	* sysdeps/mach/hurd/configure: Regenerated.
2002-01-05 21:53:04 +00:00

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# GNU libc on the Hurd is always reentrant.
DEFINES="$DEFINES -D_LIBC_REENTRANT"
# Don't bother trying to generate any glue code to be compatible with the
# existing system library, because we are the only system library.
inhibit_glue=yes
if test "x$prefix" != x; then
echo "configure: warning: --prefix= (empty) is required for GNU/Hurd to work normally" 1>&2
fi
case "$machine" in
i386*)
# With --enable-libio, the default oldest ABI is 2.5.5;
# without --enable-libio, the default oldest ABI is 2.0.
# We only need a "yes" here if the oldest ABI supported will be < 2.2.5.
if if test "$stdio" = libio; then
test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.5"
else
test "$oldest_abi" = default || test "$oldest_abi" \< "2.2.5"
fi; then
libc_cv_gcc_unwind_find_fde=yes
fi
;;
esac
# See if mig groks `retcode'.
echo $ac_n "checking whether $MIG supports the retcode keyword""... $ac_c" 1>&6
echo "configure:33: checking whether $MIG supports the retcode keyword" >&5
if eval "test \"`echo '$''{'hurd_cv_mig_retcode'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.defs <<\EOF
#include <mach/std_types.defs>
#include <mach/mach_types.defs>
subsystem foobar 1000;
type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE
ctype: mach_port_t;
simpleroutine foobar_reply (
reply_port: reply_port_t;
err: kern_return_t, RetCode);
EOF
if { ac_try='CC="${CC}" ${MIG-false} -n conftest.defs 1>&5'; { (eval echo configure:47: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
hurd_cv_mig_retcode=yes
else
hurd_cv_mig_retcode=no
fi
rm -f conftest*
fi
echo "$ac_t""$hurd_cv_mig_retcode" 1>&6
if test $hurd_cv_mig_retcode = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_MIG_RETCODE 1
EOF
fi