(fix_submap_inheritance, get_keyelt, store_in_keymap,

[bpt/emacs.git] / src / s / gnu-linux.h

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index ad066ea..3113565 100644 (file)
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -47,6 +47,9 @@ Boston, MA 02111-1307, USA.  */
 #if LINUX_VERSION_CODE > 0x10200
 #define LINUX_SIGIO_DOES_WORK
 #endif /* LINUX_VERSION_CODE > 0x10200 */
+#if LINUX_VERSION_CODE >= 0x20000
+#define LINUX_MAP_SHARED_DOES_WORK
+#endif /* LINUX_VERSION_CODE >= 0x20000 */
 #endif /* HAVE_LINUX_VERSION_H */
 #endif /* emacs */
 #endif /* NOT_C_CODE */
@@ -243,8 +246,10 @@ Boston, MA 02111-1307, USA.  */
 
 #ifdef __ELF__
 #define UNEXEC unexelf.o
+#ifndef LINUX_MAP_SHARED_DOES_WORK
 #define UNEXEC_USE_MAP_PRIVATE
 #endif
+#endif
 
 #ifdef LINUX_QMAGIC