From b28e05e203e0739fa5db59c5af378b29eea7a232 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Fri, 25 Apr 2014 20:39:23 +0200
Subject: Make sure mig is available

* configure.ac (MIG): Error out if MiG was not found.
---
 configure.ac | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 40e78a0..bd8a188 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,7 +86,12 @@ AC_CHECK_TOOL([AR], [ar])
 AC_CHECK_TOOL([LD], [ld])
 AC_CHECK_TOOL([NM], [nm])
 
-AC_CHECK_TOOL([MIG], [mig], [mig])
+AC_CHECK_TOOL([MIG], [mig], [:])
+
+if test "$MIG" = :
+then
+    AC_MSG_ERROR([The MiG generator is required to build GNU Mach])
+fi
 
 dnl Needed for the Automake option `subdir-objects'.
 AM_PROG_CC_C_O
-- 
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