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Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/kernel-features.h')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/kernel-features.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 0b0a94af2c..f3298b234e 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -26,8 +26,10 @@
 #undef __ASSUME_STATFS64
 #define __ASSUME_STATFS64 0
 
-/* Alpha defines SysV ipc shmat syscall with a different name.  */
-#define __NR_shmat __NR_osf_shmat
+/* Alpha used to define SysV ipc shmat syscall with a different name.  */
+#ifndef __NR_shmat
+# define __NR_shmat __NR_osf_shmat
+#endif
 
 #define __ASSUME_RECV_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL	1