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-rw-r--r--include/unistd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/unistd.h b/include/unistd.h
index 6b614dd05..956879003 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -389,7 +389,7 @@ extern ssize_t pwrite64 (int __fd, __const void *__buf, size_t __n,
extern int pipe (int __pipedes[2]) __THROW __wur;
libc_hidden_proto(pipe)
-#ifdef __USE_GNU
+#if defined __UCLIBC_LINUX_SPECIFIC__ && defined __USE_GNU
/* Same as pipe but apply flags passed in FLAGS to the new file
descriptors. */
extern int pipe2 (int __pipedes[2], int __flags) __THROW __wur;