From: David J. MacKenzie <djm@gnu.org>
Date: Sat, 16 Apr 1994 19:01:56 +0000 (+0000)
Subject: Call AC_LANG_C, if it's defined, after AC_PREPARE.
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Call AC_LANG_C, if it's defined, after AC_PREPARE.
---

diff --git a/configure1.in b/configure1.in
index 5902aaf3ff2..2662ba1a6db 100755
--- a/configure1.in
+++ b/configure1.in
@@ -1071,6 +1071,7 @@ opsysfile="s/${opsys}.h"
 
 ]
 AC_PREPARE(lisp)
+ifdef([AC_LANG_C], AC_LANG_C)dnl
 AC_CONFIG_HEADER(src/config.h)
 [