Make sure we have a mkfifo symbol.

Bug: https://code.google.com/p/android/issues/detail?id=58888
Change-Id: Ic0a883a5f30beb82cb7be3c4e81b6d693d5fbb4d
diff --git a/libc/Android.mk b/libc/Android.mk
index 72b6dc8..33f2362 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -224,6 +224,7 @@
     bionic/libc_init_common.cpp \
     bionic/libc_logging.cpp \
     bionic/libgen.cpp \
+    bionic/mkfifo.cpp \
     bionic/pthread_attr.cpp \
     bionic/pthread_detach.cpp \
     bionic/pthread_equal.cpp \
diff --git a/libc/bionic/mkfifo.cpp b/libc/bionic/mkfifo.cpp
new file mode 100644
index 0000000..08ffad1
--- /dev/null
+++ b/libc/bionic/mkfifo.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/stat.h>
+
+int mkfifo(const char* path, mode_t mode) {
+  return mknod(path, (mode & ~S_IFMT) | S_IFIFO, 0);
+}
diff --git a/libc/include/sys/stat.h b/libc/include/sys/stat.h
index 95e83d8..84e367f 100644
--- a/libc/include/sys/stat.h
+++ b/libc/include/sys/stat.h
@@ -178,10 +178,7 @@
 #define  fstat64   fstat
 #define  lstat64   lstat
 
-static __inline__ int mkfifo(const char *__p, mode_t __m)
-{
-  return mknod(__p, (__m & ~S_IFMT) | S_IFIFO, (dev_t)0);
-}
+extern int mkfifo(const char*, mode_t);
 
 extern int  fstatat(int dirfd, const char *path, struct stat *buf, int flags);
 extern int  mkdirat(int dirfd, const char *pathname, mode_t mode);