Hi!
As reported, bootstrap currently fails on older Darwin because MAP_ANONYMOUS
is not defined.
The following is what gcc/system.h does, so I think it should work for
libgcov.
Build tested on x86_64-linux, ok for trunk?
2021-03-05 Jakub Jelinek <ja...@redhat.com>
PR gcov-profile/99406
* libgcov.h (MAP_FAILED, MAP_ANONYMOUS): If HAVE_SYS_MMAN_H is
defined, define these macros if not defined already.
--- libgcc/libgcov.h.jj 2021-03-04 19:36:52.931789790 +0100
+++ libgcc/libgcov.h 2021-03-05 14:41:18.912291100 +0100
@@ -172,6 +172,16 @@ extern struct gcov_info *gcov_list;
#define ATTRIBUTE_HIDDEN
#endif
+#if HAVE_SYS_MMAN_H
+#ifndef MAP_FAILED
+#define MAP_FAILED ((void *)-1)
+#endif
+
+#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+#endif
+
#include "gcov-io.h"
/* Structures embedded in coveraged program. The structures generated
Jakub
