libffado: fix musl

srcpkgs/libffado/patches/musl-sigval_t.patch

@@ -0,0 +1,26 @@
+--- src/libutil/PosixMessageQueue.h	2009-12-19 17:26:20.000000000 +0100
++++ src/libtuil/PosixMessageQueue.h	2016-10-03 18:40:48.996217777 +0200
+@@ -36,7 +36,13 @@
+ #include <mqueue.h>
++#include <signal.h>
+ #include <string>
+ 
++#if !defined(__GLIBC__)
++/* In musl libc this type is not defined. */
++typedef union sigval sigval_t;
++#endif
++
+ namespace Util
+ {
+ 
+ 
+--- src/libutil/IpcRingBuffer.h	2008-06-08 19:17:32.000000000 +0200
++++ src/libutil/IpcRingBuffer.h	2016-10-03 18:53:00.310710281 +0200
+@@ -37,6 +37,7 @@
+ #include "PosixMessageQueue.h"
+ 
+ #include <semaphore.h>
++#include <signal.h>
+ 
+ namespace Util {
+ 

srcpkgs/libffado/patches/musl-stdint_h.patch

@@ -0,0 +1,12 @@
+Need to explicitly include stdint.h for musl libc.
+
+--- libffado/ffado.h.in	2016-10-03 18:42:35.335302853 +0200
++++ libffado/ffado.h.in	2016-10-03 18:43:56.999358778 +0200
+@@ -31,6 +31,7 @@
+ #define FFADO_MAX_NAME_LEN 256
+ 
+ #include <stdlib.h>
++#include <stdint.h>
+ 
+ #define FFADO_STREAMING_MAX_URL_LENGTH 2048
+ 

srcpkgs/libffado/template

@@ -21,6 +21,18 @@ if [ -z "$CROSS_BUILD" ]; then
 	makedepends+=" python-PyQt4-devel python-PyQt4-dbus python-dbus-devel"
 	subpackages+=" libffado-python"
 fi
+case "$XBPS_TARGET_MACHINE" in
+	*-musl)	makedepends+=" argp-standalone" ;;
+esac
+
+pre_configure() {
+	case "$XBPS_TARGET_MACHINE" in
+	*-musl)	# Requires argp functions
+		sed -i 's;-lffado";-lffado -largp";' support/tools/SConscript
+		sed -i 's;-lpthread";-lpthread -largp";' support/firmware/SConscript
+		sed -i 's;"pthread";"pthread", "argp";' support/dbus/SConscript
+	esac
+}
 
 post_install() {
 	vinstall support/xdg/ffado.org-ffadomixer.desktop 644 usr/share/applications ffadomixer.desktop