gstreamer1.0-plugins-base: Transition to meson based builds

Update gstreamer base plugins to meson build system.

This update follows the strategy and description provided in commit
[e957fbc5d82368934f721e3773bf3942c5177ed7] from upstream.

Autotools patches are dropped from the layer and additional
meson-relevant patches are introduced from upstream.

In addition, patch required to support meson build of NXP fork is
included.

Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0001-meson-build-gir-even-when-cross-compiling-if-introsp.patch b/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0001-meson-build-gir-even-when-cross-compiling-if-introsp.patch
new file mode 100644
index 00000000..55871883
--- /dev/null
+++ b/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0001-meson-build-gir-even-when-cross-compiling-if-introsp.patch
@@ -0,0 +1,34 @@
+From f82db8496df8ffb8352248e895258c19f8f4776b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.com>
+Date: Thu, 17 Oct 2019 20:06:24 +0100
+Subject: [PATCH] meson: build gir even when cross-compiling if introspection
+ was enabled explicitly
+
+This can be made to work in certain circumstances when
+cross-compiling, so default to not building g-i stuff
+when cross-compiling, but allow it if introspection was
+enabled explicitly via -Dintrospection=enabled.
+
+See gstreamer/gstreamer#454 and gstreamer/gstreamer#381.
+
+Upstream-Status: Backport [30672ba7d134553e59935ddc875104adba26f25c]
+
+Signed-off-by: Carlos Rafael Giani <crg7475@mailbox.org>
+
+---
+ meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index 2fca28205..2714af718 100644
+--- a/meson.build
++++ b/meson.build
+@@ -355,7 +355,7 @@ endif
+ 
+ gir = find_program('g-ir-scanner', required : get_option('introspection'))
+ gnome = import('gnome')
+-build_gir = gir.found() and not meson.is_cross_build()
++build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
+ gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
+     'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
+     'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \