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-rw-r--r--ChangeLog6
-rw-r--r--nptl/sysdeps/pthread/pthread.h14
2 files changed, 15 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index da6a230500..502008c809 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-03-17 Will Newton <will.newton@linaro.org>
+
+ * nptl/sysdeps/pthread/pthread.h: Check
+ __PTHREAD_MUTEX_HAVE_ELISION is defined before testing
+ its value.
+
2014-03-17 Siddhesh Poyarekar <siddhesh@redhat.com>
* libio/iofdopen.c (_IO_new_fdopen): Seek to end only if
diff --git a/nptl/sysdeps/pthread/pthread.h b/nptl/sysdeps/pthread/pthread.h
index 1e0c5dc937..142da639e4 100644
--- a/nptl/sysdeps/pthread/pthread.h
+++ b/nptl/sysdeps/pthread/pthread.h
@@ -83,12 +83,16 @@ enum
/* Mutex initializers. */
-#if __PTHREAD_MUTEX_HAVE_ELISION == 1 /* 64bit layout. */
-#define __PTHREAD_SPINS 0, 0
-#elif __PTHREAD_MUTEX_HAVE_ELISION == 2 /* 32bit layout. */
-#define __PTHREAD_SPINS { 0, 0 }
+#ifdef __PTHREAD_MUTEX_HAVE_ELISION
+# if __PTHREAD_MUTEX_HAVE_ELISION == 1 /* 64bit layout. */
+# define __PTHREAD_SPINS 0, 0
+# elif __PTHREAD_MUTEX_HAVE_ELISION == 2 /* 32bit layout. */
+# define __PTHREAD_SPINS { 0, 0 }
+# else
+# error "Unknown value of __PTHREAD_MUTEX_HAVE_ELISION"
+# endif
#else
-#define __PTHREAD_SPINS 0
+# define __PTHREAD_SPINS 0
#endif
#ifdef __PTHREAD_MUTEX_HAVE_PREV