From 674213673ce78e3406cae1219f52c5863c883031 Mon Sep 17 00:00:00 2001
From: David MacKenzie <djm@djmnet.org>
Date: Mon, 17 Oct 1994 22:27:03 +0000
Subject: [PATCH] (AC_PROG_CPP): Use assert.h (comes with gcc), not stdio.h
 (loses for new cross-compilers).  From Roland McGrath.

---
 acspecific.m4            | 6 ++++--
 lib/autoconf/specific.m4 | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/acspecific.m4 b/acspecific.m4
index d08d049e5..a61678ce8 100644
--- a/acspecific.m4
+++ b/acspecific.m4
@@ -244,10 +244,12 @@ AC_CACHE_VAL(ac_cv_prog_CPP,
   CPP="${CC-cc} -E"
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
-  AC_TRY_CPP([#include <stdio.h>
+dnl Use a header file that comes with gcc, so configuring glibc
+dnl with a fresh cross-compiler works.
+  AC_TRY_CPP([#include <assert.h>
 Syntax Error], ,
   CPP="${CC-cc} -E -traditional-cpp"
-  AC_TRY_CPP([#include <stdio.h>
+  AC_TRY_CPP([#include <assert.h>
 Syntax Error], , CPP=/lib/cpp))
   ac_cv_prog_CPP="$CPP"])dnl
 fi
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index d08d049e5..a61678ce8 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -244,10 +244,12 @@ AC_CACHE_VAL(ac_cv_prog_CPP,
   CPP="${CC-cc} -E"
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
-  AC_TRY_CPP([#include <stdio.h>
+dnl Use a header file that comes with gcc, so configuring glibc
+dnl with a fresh cross-compiler works.
+  AC_TRY_CPP([#include <assert.h>
 Syntax Error], ,
   CPP="${CC-cc} -E -traditional-cpp"
-  AC_TRY_CPP([#include <stdio.h>
+  AC_TRY_CPP([#include <assert.h>
 Syntax Error], , CPP=/lib/cpp))
   ac_cv_prog_CPP="$CPP"])dnl
 fi
-- 
2.47.3