(__attribute__): Define it to be empty for compilers

that don't support that syntax.

diff --git a/lib/obstack.c b/lib/obstack.c
index 0789459..b510c77 100644 (file)
--- a/lib/obstack.c
+++ b/lib/obstack.c
@@ -471,6 +471,13 @@ _obstack_memory_used (h)
 #  define fputs(s, f) _IO_fputs (s, f)
 # endif
 
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later.  */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+#  define __attribute__(Spec) /* empty */
+# endif
+#endif
+
 static void
 __attribute__ ((noreturn))
 print_and_abort ()