Add comment from commit log.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5374

diff --git a/coregrind/launcher.c b/coregrind/launcher.c
index d9131f608119dbb8b943d6e4df63fcad910b434f..e962a964ff37affb04b8852309ed9ea69ba80813 100644 (file)
--- a/coregrind/launcher.c
+++ b/coregrind/launcher.c
@@ -55,8 +55,8 @@
                          where it is defined */
 
 #ifndef EM_X86_64
-#define EM_X86_64 62
-#endif /* EM_X86_64 */
+#define EM_X86_64 62    // elf.h doesn't define this on some older systems
+#endif
 
 /* Report fatal errors */
 static void barf ( const char *format, ... )