pulseaudio: Fix build with musl

It reimplements some of standard C library functions but then it assumed
glibc so we need to break that assumption into conditional defines

Change-Id: I92109c2e4c48ab4c3565f64e68d9cbb165823b45
(From OE-Core rev: 87a55935a6d5f038c5a8a4c7f2357dd972d2fa92)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-multimedia/pulseaudio/pulseaudio/0001-padsp-Make-it-compile-on-musl.patch

@@ -0,0 +1,70 @@
+From f6ab3c3aa7a1841c8add04828029356d2a8c88e7 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 6 Apr 2015 21:56:31 -0700
+Subject: [PATCH] padsp: Make it compile on musl
+
+break assumptions on glibc and there is no stat64 on non
+glibc C libraries
+
+See pulseaudio bug
+
+https://bugs.freedesktop.org/show_bug.cgi?id=85319
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/utils/padsp.c | 15 +++++++++------
+ 1 file changed, 9 insertions(+), 6 deletions(-)
+
+diff --git a/src/utils/padsp.c b/src/utils/padsp.c
+index e61373c..684721a 100644
+--- a/src/utils/padsp.c
++++ b/src/utils/padsp.c
+@@ -2368,7 +2368,7 @@ fail:
+     return ret;
+ }
+ 
+-#ifdef sun
++#ifndef __GLIBC__
+ int ioctl(int fd, int request, ...) {
+ #else
+ int ioctl(int fd, unsigned long request, ...) {
+@@ -2508,10 +2508,13 @@ int stat(const char *pathname, struct stat *buf) {
+ 
+     return 0;
+ }
+-
+ #ifdef HAVE_OPEN64
+-
++#undef stat64
++#ifdef __GLIBC__
+ int stat64(const char *pathname, struct stat64 *buf) {
++#else
++int stat64(const char *pathname, struct stat *buf) {
++#endif
+     struct stat oldbuf;
+     int ret;
+ 
+@@ -2544,7 +2547,7 @@ int stat64(const char *pathname, struct stat64 *buf) {
+ 
+     return 0;
+ }
+-
++#undef open64
+ int open64(const char *filename, int flags, ...) {
+     va_list args;
+     mode_t mode = 0;
+@@ -2670,8 +2673,8 @@ FILE* fopen(const char *filename, const char *mode) {
+ }
+ 
+ #ifdef HAVE_OPEN64
+-
+-FILE *fopen64(const char *filename, const char *mode) {
++#undef fopen64
++FILE *fopen64(const char *__restrict filename, const char *__restrict mode) {
+ 
+     debug(DEBUG_LEVEL_VERBOSE, __FILE__": fopen64(%s)\n", filename?filename:"NULL");
+ 
+-- 
+2.1.4
+

meta/recipes-multimedia/pulseaudio/pulseaudio_6.0.bb

@@ -1,6 +1,7 @@
 require pulseaudio.inc
 
 SRC_URI = "http://freedesktop.org/software/pulseaudio/releases/${BP}.tar.xz \
+           file://0001-padsp-Make-it-compile-on-musl.patch \
            file://volatiles.04_pulse \
 "
 SRC_URI[md5sum] = "b691e83b7434c678dffacfa3a027750e"