X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-64-linux-os.c;h=e012289022eec477d7f0e3e9a6e8b23e2e75b3cd;hb=c8617f57d0413beb2890e94dabe227cef9c5ddad;hp=d3d2c30ced3a0a543f1a11803d66613bf3359f26;hpb=842d3c24e4a1a6b5ebadb9ee754814174a951029;p=sbcl.git

diff --git a/src/runtime/x86-64-linux-os.c b/src/runtime/x86-64-linux-os.c
index d3d2c30..e012289 100644
--- a/src/runtime/x86-64-linux-os.c
+++ b/src/runtime/x86-64-linux-os.c
@@ -14,6 +14,8 @@
  * files for more information.
  */
 
+#define _GNU_SOURCE /* for REG_RAX etc. from sys/ucontext */
+
 #include <stdio.h>
 #include <stddef.h>
 #include <sys/param.h>
@@ -22,10 +24,7 @@
 #include <unistd.h>
 #include <errno.h>
 
-#define __USE_GNU
 #include <sys/ucontext.h>
-#undef __USE_GNU
-
 
 #include "./signal.h"
 #include "os.h"