see also http://bugs.php.net/bug.php?id=34793
--- php-5.1.2/main/php_ini.c~	2006-01-12 23:46:12.000000000 +0200
+++ php-5.1.2/main/php_ini.c	2006-01-17 17:01:16.000000000 +0200
@@ -330,6 +330,7 @@
 			strcat(php_ini_search_path, env_location);
 		}
 
+#ifdef PHP_WIN32
 		/* Add cwd (only with CLI) */
 		if (strcmp(sapi_module.name, "cli") == 0) {
 			if (*php_ini_search_path) {
@@ -339,7 +340,6 @@
 		}
 
 		/* Add binary directory */
-#ifdef PHP_WIN32
 		binary_location = (char *) emalloc(MAXPATHLEN);
 		if (GetModuleFileName(0, binary_location, MAXPATHLEN) == 0) {
 			efree(binary_location);
@@ -356,6 +356,8 @@
 			binary_location = NULL;
 		}
 #endif
+
+#ifdef PHP_WIN32
 		if (binary_location) {
 			char *separator_location = strrchr(binary_location, DEFAULT_SLASH);
 			
@@ -370,7 +372,6 @@
 		}
 
 		/* Add default location */
-#ifdef PHP_WIN32
 		default_location = (char *) emalloc(MAXPATHLEN + 1);
 	
 		if (0 < GetWindowsDirectory(default_location, MAXPATHLEN)) {