From 3a90241189112af13937c37e9f94363e6c7708ef Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Sat, 17 Apr 2010 01:25:45 -0400
Subject: [PATCH] If native code is enabled, check for m4 in
 microcode/configure.

---
 src/microcode/configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 6d08886c0..c168297c9 100644
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -993,6 +993,10 @@ svm1)
     OPTIONAL_BASES="${OPTIONAL_BASES} svm1-interp"
     ;;
 *)
+    AC_CHECK_PROG([M4], [m4], [m4])
+    if test "x${M4}" != xm4; then
+	AC_ERROR([m4 not found])
+    fi
     AC_CONFIG_LINKS([cmpauxmd.m4:cmpauxmd/${mit_scheme_native_code}.m4])
     OPTIONAL_SOURCES="${OPTIONAL_SOURCES} cmpauxmd.m4"
     OPTIONAL_OBJECTS="${OPTIONAL_OBJECTS} cmpauxmd.o"
-- 
2.25.1