--- php-5.0.3/Zend/zend_strtod.c.orig	2004-12-14 03:41:35.000000000 -0500
+++ php-5.0.3/Zend/zend_strtod.c	2005-01-26 00:48:53.000000000 -0500
@@ -108,6 +108,10 @@
 #endif
 #endif
 
+#if defined(__s390__) || defined(__s390x__)
+#define IEEE_BIG_ENDIAN
+#endif
+
 #if defined(__arm__) && !defined(__VFP_FP__)
 /*
  * Although the CPU is little endian the FP has different
