3 files changed, 5 insertions, 9 deletions
diff --git a/libc/sysdeps/linux/vax/bits/fcntl.h b/libc/sysdeps/linux/vax/bits/fcntl.h
index a38bf52ad..66c2812c4 100644
--- a/libc/sysdeps/linux/vax/bits/fcntl.h
+++ b/libc/sysdeps/linux/vax/bits/fcntl.h
@@ -162,8 +162,7 @@ struct flock64
 #endif
 
 
-#ifdef __USE_GNU
-#if 0
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
 /* Flags for SYNC_FILE_RANGE.  */
 # define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
 					     in the range before performing the
@@ -174,7 +173,6 @@ struct flock64
 # define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
 					     the range after performing the
 					     write.  */
-#endif
 
 /* Flags for SPLICE and VMSPLICE.  */
 # define SPLICE_F_MOVE		1	/* Move pages instead of copying.  */
@@ -187,18 +185,16 @@ struct flock64
 
 __BEGIN_DECLS
 
-#ifdef __USE_GNU
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
-#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
-#endif
 
 /* Splice address range into a pipe.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
diff --git a/libc/sysdeps/linux/vax/brk.c b/libc/sysdeps/linux/vax/brk.c
index 47fd3e529..53652f922 100644
--- a/libc/sysdeps/linux/vax/brk.c
+++ b/libc/sysdeps/linux/vax/brk.c
@@ -24,7 +24,7 @@
 /* This must be initialized data because commons can't have aliases.  */
 void *__curbrk attribute_hidden = NULL;
 
-libc_hidden_proto(brk)
+/* libc_hidden_proto(brk) */
 int
 brk (void *addr)
 {
diff --git a/libc/sysdeps/linux/vax/mmap.c b/libc/sysdeps/linux/vax/mmap.c
index 41bfb79f1..2df685c21 100644
--- a/libc/sysdeps/linux/vax/mmap.c
+++ b/libc/sysdeps/linux/vax/mmap.c
@@ -4,8 +4,8 @@
 #include <errno.h>
 #include <sys/syscall.h>
 
-libc_hidden_proto(mmap)
+/* libc_hidden_proto(mmap) */
 _syscall6 (void *, mmap, void *, start, size_t, length, int, prot, int, flags,
-		int, fd, off_t, offset);
+		int, fd, off_t, offset)
 libc_hidden_def(mmap)