[Buildroot] [PATCH 1/6] package/gstreamer1/gstreamer1: add introspection support

[Yann E. MORIN]

Adam, All,

On 2020-03-15 13:10 -0700, aduskett at gmail.com spake thusly:
> From: Adam Duskett <Aduskett at gmail.com>
> 
> If gobject-introspection is selected, explicitly set -Dintrospection=enabled in
> the configure options and add a dependency for gobject-introspection.
> 
> This feature requires an upstream patch that allows introspection support even
> when cross-compiling.
> 
> Signed-off-by: Adam Duskett <Aduskett at gmail.com>

Whole series applied, thanks!

Needless to say that the runtime test helped a lot getting some
confidence in the changes. Thanks! :-)

I just fixed the little not in patch 5, as you already spotted.

Regards,
Yann E. MORIN.

> ---
>  ...hen-cross-compiling-if-introspection.patch | 36 +++++++++++++++++++
>  package/gstreamer1/gstreamer1/gstreamer1.mk   |  8 ++++-
>  2 files changed, 43 insertions(+), 1 deletion(-)
>  create mode 100644 package/gstreamer1/gstreamer1/0001-meson-build-gir-even-when-cross-compiling-if-introspection.patch
> 
> diff --git a/package/gstreamer1/gstreamer1/0001-meson-build-gir-even-when-cross-compiling-if-introspection.patch b/package/gstreamer1/gstreamer1/0001-meson-build-gir-even-when-cross-compiling-if-introspection.patch
> new file mode 100644
> index 0000000000..fc290f6cc0
> --- /dev/null
> +++ b/package/gstreamer1/gstreamer1/0001-meson-build-gir-even-when-cross-compiling-if-introspection.patch
> @@ -0,0 +1,36 @@
> +From 35db4a2433fbdf8612cf98b5aab5b14aeb5372f8 Mon Sep 17 00:00:00 2001
> +From: Tim Philipp <tim at centricular.com>
> +Date: Thu, 17 Oct 2019 12:13:35 +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.
> +
> +Fixes #454 and #381.
> +
> +Upstream commit: 35db4a2433fbdf8612cf98b5aab5b14aeb5372f8
> +Signed-off-by: Tim Philipp <tim at centricular.com>
> +Signed-off-by: Adam Duskett <aduskett at gmail.com>
> +---
> + meson.build | 2 +-
> + 1 file changed, 1 insertion(+), 1 deletion(-)
> +
> +diff --git a/meson.build b/meson.build
> +index 90d98d8eb00..a47e7f34e8a 100644
> +--- a/meson.build
> ++++ b/meson.build
> +@@ -453,7 +453,7 @@ rt_lib = cc.find_library('rt', required : false)
> + 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);' + \
> +-- 
> +2.24.1
> +
> diff --git a/package/gstreamer1/gstreamer1/gstreamer1.mk b/package/gstreamer1/gstreamer1/gstreamer1.mk
> index 4eb3158b8f..47615aad1f 100644
> --- a/package/gstreamer1/gstreamer1/gstreamer1.mk
> +++ b/package/gstreamer1/gstreamer1/gstreamer1.mk
> @@ -16,7 +16,6 @@ GSTREAMER1_CONF_OPTS = \
>  	-Dtests=disabled \
>  	-Dbenchmarks=disabled \
>  	-Dgtk_doc=disabled \
> -	-Dintrospection=disabled \
>  	-Dglib-asserts=disabled \
>  	-Dglib-checks=disabled \
>  	-Dgobject-cast-checks=disabled \
> @@ -36,6 +35,13 @@ GSTREAMER1_DEPENDENCIES = \
>  	$(if $(BR2_PACKAGE_VALGRIND),valgrind) \
>  	$(TARGET_NLS_DEPENDENCIES)
>  
> +ifeq ($(BR2_PACKAGE_GOBJECT_INTROSPECTION),y)
> +GSTREAMER1_CONF_OPTS += -Dintrospection=enabled
> +GSTREAMER1_DEPENDENCIES += gobject-introspection
> +else
> +GSTREAMER1_CONF_OPTS += -Dintrospection=disabled
> +endif
> +
>  GSTREAMER1_LDFLAGS = $(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)
>  
>  $(eval $(meson-package))
> -- 
> 2.24.1
> 
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