From 788feca4ae6dbd8d91e3fb640e443dc78c3ec994 Mon Sep 17 00:00:00 2001
From: Sascha Schumann <sas@php.net>
Date: Fri, 5 May 2000 12:17:41 +0000
Subject: [PATCH] Linking directly against libc might result in unexpected
 behaviour. We check for dlopen in libdl first, and check then whether dlopen
 exists.

---
 Zend/Zend.m4 | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 62b7adc432..7d18cfcfba 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -50,13 +50,8 @@ dlfcn.h)
 AC_TYPE_SIZE_T
 AC_TYPE_SIGNAL
 
-AC_CHECK_LIB(c, dlopen, [
- # fake it
- AC_DEFINE(HAVE_LIBDL) ], [
- AC_CHECK_LIB(dl, dlopen, [
-  LIBS="-ldl $LIBS"
-  AC_DEFINE(HAVE_LIBDL) ], []) ])
-
+AC_CHECK_LIB(dl, dlopen, [LIBS="-ldl $LIBS"])
+AC_CHECK_FUNC(dlopen,[AC_DEFINE(HAVE_LIBDL, 1,[ ])])
 
 dnl This is required for QNX and may be some BSD derived systems
 AC_CHECK_TYPE( uint, unsigned int )
-- 
2.40.0