From b345acb577ad8f5da19186767d94404414ef3a83 Mon Sep 17 00:00:00 2001
From: Sascha Schumann <sas@php.net>
Date: Sun, 7 May 2000 05:32:54 +0000
Subject: [PATCH] Never tell link editor to libc. Some systems use thread-safe
 replacements for libc in Pthreads mode.

---
 acinclude.m4 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/acinclude.m4 b/acinclude.m4
index decf086f4e5..e64294013bb 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -401,7 +401,9 @@ dnl add a library to the link line
 dnl
 AC_DEFUN(AC_ADD_LIBRARY,[
   AC_PHP_ONCE(LIBRARY, $1, [
-    ifelse($#, 1, LIBS="-l$1 $LIBS", LIBS="$LIBS -l$1")
+    if test "$1" != "c"; then
+      ifelse($#, 1, LIBS="-l$1 $LIBS", LIBS="$LIBS -l$1")
+    fi
   ])
 ])