handle GNU specific versions of strerror_r()

Author: dunglas

Zend/zend.c

@@ -1650,8 +1650,13 @@ ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *
 ZEND_API ZEND_COLD ZEND_NORETURN void zend_strerror_noreturn(int type, int errn, const char *message)
 {
 #ifdef HAVE_STRERROR_R
+# if (_POSIX_C_SOURCE >= 200112L) && ! _GNU_SOURCE
 	char buf[1024];
 	strerror_r(errn, buf, sizeof(buf));
+# else
+	char b[1024];
+	char *buf = strerror_r(errn, b, sizeof(b));
+# endif
 #else
 	char *buf = strerror(errn);
 #endif