X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/8e4c450d30c4e641eaf0b78bfdf28610526fac84..a3fc8840a3c1586b17c9d211e959571fba365af6:/src/s/gnu-linux.h

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index ccce9cc84d..3113565d36 100644
--- 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 */
@@ -160,7 +163,11 @@ Boston, MA 02111-1307, USA.  */
 /* Here is how to find X Windows.  LD_SWITCH_X_SITE_AUX gives an -R option
    says where to find X windows at run time.  */
 
+#ifdef __mips__
+#define LD_SWITCH_SYSTEM -G 0 LD_SWITCH_X_SITE_AUX
+#else
 #define LD_SWITCH_SYSTEM LD_SWITCH_X_SITE_AUX
+#endif /* __mips__ */
 #endif /* __ELF__ */
 
 /* As of version 1.1.51, Linux did not actually implement SIGIO.
@@ -239,8 +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