SCO (and maybe others) do not have this defined.

diff --git a/ext/standard/filestat.c b/ext/standard/filestat.c
index 621e49bfcd25a42f6e55cfe24f057c79c8094c9e..95ef0bcf171e38e949fbc5046885ecf5e23ea9da 100644 (file)
--- a/ext/standard/filestat.c
+++ b/ext/standard/filestat.c
@@ -551,7 +551,7 @@ static void php_stat(const char *filename, int type, pval *return_value)
                case S_IFDIR: RETURN_STRING("dir",1);
                case S_IFBLK: RETURN_STRING("block",1);
                case S_IFREG: RETURN_STRING("file",1);
-#if !defined(ZEND_WIN32)&&!defined(__BEOS__)
+#if defined(S_IFSOCK) && !defined(ZEND_WIN32)&&!defined(__BEOS__)
                case S_IFSOCK: RETURN_STRING("socket",1);
 #endif
                }