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-rw-r--r--include/my_sys.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/my_sys.h b/include/my_sys.h
index 9cce13e53dd..498a1bd30fe 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -796,7 +796,7 @@ void my_free_open_file_info(void);
ulonglong my_getsystime(void);
my_bool my_gethwaddr(uchar *to);
-#ifdef HAVE_MMAP
+#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#ifndef MAP_NOSYNC
@@ -815,6 +815,7 @@ my_bool my_gethwaddr(uchar *to);
#define MAP_NOSYNC 0x0800
#define MAP_FAILED ((void *)-1)
#define MS_SYNC 0x0000
+#define HAVE_MMAP
int my_getpagesize(void);
void *my_mmap(void *, size_t, int, int, int, my_off_t);