diff options
Diffstat (limited to 'libffi/src/dlmalloc.c')
| -rw-r--r-- | libffi/src/dlmalloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libffi/src/dlmalloc.c b/libffi/src/dlmalloc.c index 7e4ea83..1aba657 100644 --- a/libffi/src/dlmalloc.c +++ b/libffi/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 @@ -2366,7 +2371,7 @@ static size_t traverse_and_check(mstate m); #else /* GNUC */ #if USE_BUILTIN_FFS -#define compute_bit2idx(X, I) I = ffs(X)-1 +#define compute_bit2idx(X, I) I = __builtin_ffs(X)-1 #else /* USE_BUILTIN_FFS */ #define compute_bit2idx(X, I)\ |