Index: uspace/app/pcc/cc/cpp/cpp.c
===================================================================
--- uspace/app/pcc/cc/cpp/cpp.c	(revision 5889fc748064079a47e18694d50ee1eefd0848ef)
+++ uspace/app/pcc/cc/cpp/cpp.c	(revision e1065991b861fbf7f0d4f9b2eae2bf5312d00ea8)
@@ -1708,6 +1708,6 @@
 }
 
-ssize_t
-write_all(int fd, const void* buffer, size_t count)
+static ssize_t
+_write_all(int fd, const void* buffer, size_t count)
 {
 	size_t remaining = count;
@@ -1728,5 +1728,5 @@
 	if (obufp == 0)
 		return;
-	if (Mflag == 0 && write_all(ofd, outbuf, obufp) < 0)
+	if (Mflag == 0 && _write_all(ofd, outbuf, obufp) < 0)
 		error("obuf write error");
 	lastoch = outbuf[obufp-1];