new package: gobject-introspection (#6943)

packages/gobject-introspection/build.sh

@@ -0,0 +1,12 @@
+TERMUX_PKG_HOMEPAGE=https://gi.readthedocs.io/
+TERMUX_PKG_DESCRIPTION="Uniform machine readable API"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_VERSION=1.68.0
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_SRCURL=https://github.com/GNOME/gobject-introspection/archive/refs/tags/$TERMUX_PKG_VERSION.tar.gz
+TERMUX_PKG_SHA256=13595a257df7d0b71b002ec115f1faafd3295c9516f307e2c57bd219d5cd8369
+TERMUX_PKG_BUILD_DEPENDS="glib, python"
+
+termux_step_pre_configure() {
+	CPPFLAGS+=" -I$TERMUX_PREFIX/include/python3.9 -I$TERMUX_PREFIX/include/python3.9/cpython"
+}

packages/gobject-introspection/meson.patch

@@ -0,0 +1,71 @@
+diff -uNr gobject-introspection/giscanner/meson.build gobject-introspection.mod/giscanner/meson.build
+--- gobject-introspection/giscanner/meson.build	2021-06-03 13:43:38.060569823 +0000
++++ gobject-introspection.mod/giscanner/meson.build	2021-06-03 13:55:08.705053742 +0000
+@@ -98,24 +98,11 @@
+   dependencies: [glib_dep, gobject_dep, gio_dep, gmodule_dep],
+ )
+ 
+-# https://github.com/mesonbuild/meson/issues/4117
+-if host_machine.system() == 'windows'
+-  python_ext_dep = python.dependency()
+-else
+-  python_ext_dep = python.dependency().partial_dependency(compile_args: true)
+-endif
+-
+-if not python_ext_dep.found()
+-  # For example if Python is 32bit but we require a 64bit variant
+-  error('Python installation not useable')
+-endif
+-
+ giscanner_pymod = python.extension_module('_giscanner', ['giscannermodule.c'],
+   link_with: giscanner_lib,
+   c_args: gi_hidden_visibility_cflags + custom_c_args,
+   include_directories : configinc,
+-  dependencies: [glib_dep, gobject_dep, gio_dep, gmodule_dep,
+-                 python_ext_dep],
++  dependencies: [glib_dep, gobject_dep, gio_dep, gmodule_dep],
+   install: true,
+   install_dir: giscannerdir,
+ )
+diff -uNr gobject-introspection/meson.build gobject-introspection.mod/meson.build
+--- gobject-introspection/meson.build	2021-06-03 13:43:38.062569940 +0000
++++ gobject-introspection.mod/meson.build	2021-06-03 13:57:59.063038610 +0000
+@@ -3,6 +3,7 @@
+   meson_version: '>= 0.50.1',
+   default_options: [
+     'warning_level=1',
++    'c_link_args=-lpython3.9',
+     'buildtype=debugoptimized',
+   ],
+ )
+@@ -157,9 +158,6 @@
+ libffi_dep = dependency('libffi',
+   fallback : ['libffi', 'ffi_dep'])
+ 
+-# python headers
+-cc.check_header('Python.h', dependencies: [python.dependency()], required: true)
+-
+ # cairo
+ cairo_option = get_option('cairo')
+ if cc.get_id() == 'msvc'
+diff -uNr gobject-introspection/meson_options.txt gobject-introspection.mod/meson_options.txt
+--- gobject-introspection/meson_options.txt	2021-06-03 13:43:38.062569940 +0000
++++ gobject-introspection.mod/meson_options.txt	2021-06-03 13:59:44.285204579 +0000
+@@ -26,7 +26,7 @@
+   description: 'Intermediate prefix for gir installation under ${prefix}'
+ )
+ 
+-option('gi_cross_use_prebuilt_gi', type: 'boolean', value : false,
++option('gi_cross_use_prebuilt_gi', type: 'boolean', value : true,
+   description: 'Use gobject introspection tools installed in the build system (useful when cross-compiling)'
+ )
+ 
+@@ -38,7 +38,7 @@
+   description: 'Use a ldd wrapper instead of system ldd command in giscanner (useful when cross-compiling)'
+ )
+ 
+-option('build_introspection_data', type: 'boolean', value : true,
++option('build_introspection_data', type: 'boolean', value : false,
+   description: 'Build introspection data (.gir and .typelib files) in addition to library and tools'
+ )
+