From dde2f4a0b846b1d819cf47881e767a2904bc16d5 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Sat, 5 Jan 2002 21:53:04 +0000
Subject: [PATCH] 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.
---
 config.h.in                    |  3 +++
 sysdeps/mach/hurd/configure    | 34 ++++++++++++++++++++++++++++++++++
 sysdeps/mach/hurd/configure.in | 26 ++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/config.h.in b/config.h.in
index 475bd72..917674b 100644
--- a/config.h.in
+++ b/config.h.in
@@ -119,6 +119,9 @@
    disabling the support as well.  */
 #undef USE_NONOPTION_FLAGS
 
+/* Mach/Hurd specific: define if mig supports the `retcode' keyword.  */
+#undef	HAVE_MIG_RETCODE
+
 /*
  */
 
diff --git a/sysdeps/mach/hurd/configure b/sysdeps/mach/hurd/configure
index 0bf3013..9265ea2 100755
--- a/sysdeps/mach/hurd/configure
+++ b/sysdeps/mach/hurd/configure
@@ -24,3 +24,37 @@ case "$machine" in
     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 $hurd_cv_mig_retcode = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_MIG_RETCODE 1
+EOF
+
+fi
diff --git a/sysdeps/mach/hurd/configure.in b/sysdeps/mach/hurd/configure.in
index 9d023df..752366b 100644
--- a/sysdeps/mach/hurd/configure.in
+++ b/sysdeps/mach/hurd/configure.in
@@ -26,3 +26,29 @@ case "$machine" in
     fi
     ;;
 esac
+
+dnl Swiped from hurd/aclocal.m4
+AC_DEFUN([hurd_MIG_RETCODE], [dnl
+# See if mig groks `retcode'.
+AC_CACHE_CHECK(whether $MIG supports the retcode keyword, hurd_cv_mig_retcode,
+[cat > conftest.defs <<\EOF
+#include <mach/std_types.defs>
+#include <mach/mach_types.defs>
+subsystem foobar 1000;
+type reply_port_t = polymorphic | MACH_MSG_TYPE_PORT_SEND_ONCE
+	ctype: mach_port_t;
+simpleroutine foobar_reply (
+	reply_port: reply_port_t;
+	err: kern_return_t, RetCode);
+EOF
+if AC_TRY_COMMAND([CC="${CC}" ${MIG-false} -n conftest.defs 1>&AC_FD_CC]); then
+  hurd_cv_mig_retcode=yes
+else
+  hurd_cv_mig_retcode=no
+fi
+rm -f conftest*])
+if test $hurd_cv_mig_retcode = yes; then
+  AC_DEFINE(HAVE_MIG_RETCODE)
+fi])
+
+hurd_MIG_RETCODE
-- 
2.7.4