pipewire: reduce native/nativesdk dependencies; add backport patch

- pipewire is by default built with lots of dependencies.
  Reduce them for native/nativesdk
- add a backport patch to fix pipewire support in libsdl2
- allow native/nativesdk build

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 54 insertions, 2 deletions

diff --git a/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-spa-fix-c90-header-include.patch b/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-spa-fix-c90-header-include.patch
new file mode 100644
index 0000000000..ad6448a10a
--- /dev/null
+++ b/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-spa-fix-c90-header-include.patch
@@ -0,0 +1,47 @@
+From d3ea3142e1a4de206e616bc18f63a529e6b4986a Mon Sep 17 00:00:00 2001
+From: psykose <alice@ayaya.dev>
+Date: Wed, 13 Apr 2022 21:57:49 +0000
+Subject: [PATCH 001/154] spa: fix c90 header include
+
+placing declarations after code is invalid under ISO c90
+
+Fixes !1211
+
+Patch-Status: Backport
+---
+ spa/include/spa/utils/string.h | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/spa/include/spa/utils/string.h b/spa/include/spa/utils/string.h
+index e80434537..43d19616c 100644
+--- a/spa/include/spa/utils/string.h
++++ b/spa/include/spa/utils/string.h
+@@ -276,10 +276,11 @@ static inline int spa_scnprintf(char *buffer, size_t size, const char *format, .
+ static inline float spa_strtof(const char *str, char **endptr)
+ {
+ 	static locale_t locale = NULL;
++	locale_t prev;
+ 	float v;
+ 	if (SPA_UNLIKELY(locale == NULL))
+ 		locale = newlocale(LC_ALL_MASK, "C", NULL);
+-	locale_t prev = uselocale(locale);
++	prev = uselocale(locale);
+ 	v = strtof(str, endptr);
+ 	uselocale(prev);
+ 	return v;
+@@ -319,10 +320,11 @@ static inline bool spa_atof(const char *str, float *val)
+ static inline double spa_strtod(const char *str, char **endptr)
+ {
+ 	static locale_t locale = NULL;
++	locale_t prev;
+ 	double v;
+ 	if (SPA_UNLIKELY(locale == NULL))
+ 		locale = newlocale(LC_ALL_MASK, "C", NULL);
+-	locale_t prev = uselocale(locale);
++	prev = uselocale(locale);
+ 	v = strtod(str, endptr);
+ 	uselocale(prev);
+ 	return v;
+-- 
+2.25.1
+
diff --git a/meta-multimedia/recipes-multimedia/pipewire/pipewire_0.3.50.bb b/meta-multimedia/recipes-multimedia/pipewire/pipewire_0.3.50.bb
index 0d725b9ee2..0f527c0a59 100644
--- a/meta-multimedia/recipes-multimedia/pipewire/pipewire_0.3.50.bb
+++ b/meta-multimedia/recipes-multimedia/pipewire/pipewire_0.3.50.bb
@@ -14,7 +14,10 @@ LIC_FILES_CHKSUM = " \
 DEPENDS = "dbus ncurses"
 
 SRCREV = "64cf5e80e6240284e6b757907b900507fe56f1b5"
-SRC_URI = "git://gitlab.freedesktop.org/pipewire/pipewire.git;branch=master;protocol=https"
+SRC_URI = " \
+	git://gitlab.freedesktop.org/pipewire/pipewire.git;branch=master;protocol=https \
+	file://0001-spa-fix-c90-header-include.patch \
+"
 
 S = "${WORKDIR}/git"
 
@@ -69,7 +72,7 @@ EXTRA_OEMESON += " \
     -Dlegacy-rtkit=false \
 "
 
-PACKAGECONFIG ??= "\
+PACKAGECONFIG:class-target ??= "\
     ${@bb.utils.contains('DISTRO_FEATURES', 'zeroconf', 'avahi', '', d)} \
     ${@bb.utils.contains('DISTRO_FEATURES', 'bluetooth', 'bluez', '', d)} \
     ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd systemd-system-service', '', d)} \
@@ -335,3 +338,5 @@ FILES:${PN}-v4l2 += " \
 FILES:gstreamer1.0-pipewire = " \
     ${libdir}/gstreamer-1.0/* \
 "
+
+BBCLASSEXTEND = "native nativesdk"