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-rw-r--r--sysdeps/gnu/utmpx.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/gnu/utmpx.h b/sysdeps/gnu/utmpx.h
index 916a2c5936..a7b58daf7f 100644
--- a/sysdeps/gnu/utmpx.h
+++ b/sysdeps/gnu/utmpx.h
@@ -23,9 +23,9 @@
 #include <sys/time.h>
 
 /* Required according to Unix98.  */
-#ifndef pid_t
+#ifndef __pid_t_defined
 typedef __pid_t pid_t;
-# define pid_t pid_t
+# define __pid_t_defined
 #endif
 
 /* Get system dependent values and data structures.  */