From 1e82e1cda43dacd8b6ab2d9ac4db33523d86f5dc Mon Sep 17 00:00:00 2001 From: Berker Peksag Date: Mon, 7 Mar 2016 18:38:10 +0200 Subject: [PATCH 199/411] Define _GNU_SOURCE on Linux for mremap() This was committed to CPython's libffi copy in https://bugs.python.org/issue10309 mremap() documentation says _GNU_SOURCE needs to be defined in order to use mremap(): see the synopsis section at http://linux.die.net/man/2/mremap Original commit: https://hg.python.org/cpython/rev/9986fff720a2 Original patch was written by Hallvard B Furuseth. --- src/dlmalloc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/dlmalloc.c b/src/dlmalloc.c index 7e4ea83..d63dd36 100644 --- a/src/dlmalloc.c +++ b/src/dlmalloc.c @@ -438,6 +438,11 @@ DEFAULT_MMAP_THRESHOLD default: 256K */ +#if defined __linux__ && !defined _GNU_SOURCE +/* mremap() on Linux requires this via sys/mman.h */ +#define _GNU_SOURCE 1 +#endif + #ifndef WIN32 #ifdef _WIN32 #define WIN32 1 -- 1.8.3.1