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Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/sysdep.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/sysdep.h b/sysdeps/unix/sysv/linux/alpha/sysdep.h
index dcf2d1e3d7..d61d4df550 100644
--- a/sysdeps/unix/sysv/linux/alpha/sysdep.h
+++ b/sysdeps/unix/sysv/linux/alpha/sysdep.h
@@ -51,7 +51,9 @@
  * Some syscalls no Linux program should know about:
  */
 #define __NR_osf_sigprocmask	 48
-#define __NR_osf_shmat		209
+#ifndef __NR_osf_shmat
+# define __NR_osf_shmat		209
+#endif
 #define __NR_osf_getsysinfo	256
 #define __NR_osf_setsysinfo	257