gperftools/undef-mmap64-function.patch

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2019-09-30 10:51:34 -04:00
From e9ab4c53041ac62feefbbb076d326e9a77dd1567 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 7 Oct 2018 18:12:03 +0200
Subject: [PATCH 34/39] undef mmap64 function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
mmap64 can already been defined and as a result the following error is
raised:
In file included from src/malloc_hook.cc:686:0:
src/malloc_hook_mmap_linux.h: In function void* mmap(void*, size_t, int, int, int, off_t):
src/malloc_hook_mmap_linux.h:173:18: error: redefinition of void* mmap(void*, size_t, int, int, int, off_t)
extern "C" void* mmap(void *start, size_t length, int prot, int flags,
^~~~
In file included from src/malloc_hook.cc:41:0:
src/malloc_hook_mmap_linux.h:159:18: note: void* mmap(void*, size_t, int, int, int, off_t) previously defined here
extern "C" void* mmap64(void *start, size_t length, int prot, int flags,
^
Makefile:4874: recipe for target 'src/libtcmalloc_minimal_internal_la-malloc_hook.lo' failed
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
src/malloc_hook_mmap_linux.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/malloc_hook_mmap_linux.h b/src/malloc_hook_mmap_linux.h
index 0eec895..34de715 100644
--- a/src/malloc_hook_mmap_linux.h
+++ b/src/malloc_hook_mmap_linux.h
@@ -137,7 +137,8 @@ static inline void* do_mmap64(void *start, size_t length,
// malloc_hook section,
// so that MallocHook::GetCallerStackTrace can function accurately:
-// Make sure mmap doesn't get #define'd away by <sys/mman.h>
+// Make sure mmap64 and mmap doesn't get #define'd away by <sys/mman.h>
+# undef mmap64
# undef mmap
extern "C" {
--
1.8.3.1