[libgnome-games-support] Add Meson support

[Michael Catanzaro <mcatanzaro src gnome org>]

commit eb0f326381f1d3dca219d2140643d05db9af537e
Author: Arnaud B <arnaud bonatti gmail com>
Date:   Thu Oct 31 20:48:04 2019 +0000

    Add Meson support
    
    https://wiki.gnome.org/Initiatives/GnomeGoals/MesonPorting
    
    https://gitlab.gnome.org/GNOME/libgnome-games-support/merge_requests/2
    
    Co-Authored-By: Jan Tojnar <jtojnar gmail com>
    Co-Authored-By: Michael Catanzaro <mcatanzaro gnome org>

 games/meson.build | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 meson.build       | 46 +++++++++++++++++++++++++++++++++++++++++++++
 po/meson.build    |  1 +
 tests/meson.build | 18 ++++++++++++++++++
 4 files changed, 121 insertions(+)
---
diff --git a/games/meson.build b/games/meson.build
new file mode 100644
index 0000000..bb551ab
--- /dev/null
+++ b/games/meson.build
@@ -0,0 +1,56 @@
+includesubdir = 'gnome-games-support-1'
+
+lggs_interface_deps = [
+    gee_dependency,
+    gio_dependency,
+    glib_dependency,
+    gtk_dependency,
+]
+
+lggs = library('gnome-games-support-1',
+    [
+        'config.vapi',
+        'gridframe.vala',
+        'scores/category.vala',
+        'scores/context.vala',
+        'scores/dialog.vala',
+        'scores/directory-importer.vala',
+        'scores/history-file-importer.vala',
+        'scores/importer.vala',
+        'scores/score.vala',
+    ],
+    install: true,
+    install_dir: [
+        true, # default libdir
+        join_paths(includedir, includesubdir), # headers
+        true, # default vapidir
+    ],
+    c_args: [
+        # https://github.com/mesonbuild/meson/issues/4763
+        '-include', 'config.h'
+    ],
+    vala_header: 'libgnome-games-support.h',
+    vala_vapi: 'libgnome-games-support-1.vapi',
+    vala_args: [
+        '--abi-stability',
+        '--target-glib=2.44',
+    ],
+    soversion: soversion,
+    version: library_version,
+    dependencies: lggs_interface_deps,
+)
+
+lggs_dependency = declare_dependency(
+    link_with: lggs,
+    include_directories: include_directories('.'),
+)
+
+pkg = import('pkgconfig')
+pkg.generate(
+    lggs,
+    filebase: 'libgnome-games-support-1',
+    requires: lggs_interface_deps,
+    name: meson.project_name(),
+    description: 'Useful functionality shared among GNOME games',
+    subdirs: includesubdir,
+)
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..8aad65e
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,46 @@
+project(
+    'libgnome-games-support', ['vala', 'c'],
+    version: '1.4.4',
+    license: 'LGPLv3+',
+    meson_version: '>= 0.50.0',
+)
+
+# Before making a release, the library_version string should be modified.
+#
+#  * Bump the first component if binary compatibility has been broken; or
+#  * Bump the second component if new APIs are added; or
+#  * Bump the third component otherwise.
+#
+# When bumping the first component version, set the second and third components
+# to 0. When bumping the second version, set the third one to zero.
+#
+# A lot easier than libtool, right?
+library_version = '3.0.1'
+soversion = library_version.split('.')[0]
+
+# used to install help
+gnome = import('gnome')
+# used for internationalization
+i18n = import('i18n')
+
+cc = meson.get_compiler('c')
+valac = meson.get_compiler('vala')  # TODO 0.39.6 min
+
+gee_dependency = dependency('gee-0.8', version: '>= 0.14.0')
+gio_dependency = dependency('gio-2.0', version: '>= 2.40.0')
+glib_dependency = dependency('glib-2.0', version: '>= 2.40.0')
+gtk_dependency = dependency('gtk+-3.0', version: '>= 3.19.2')
+
+localedir = join_paths(get_option('prefix'), get_option('localedir'))
+includedir = join_paths(get_option('prefix'), get_option('includedir'))
+
+conf = configuration_data()
+conf.set_quoted('VERSION', meson.project_version())
+conf.set_quoted('GETTEXT_PACKAGE', meson.project_name())
+conf.set_quoted('LOCALEDIR', localedir)
+
+configure_file(output: 'config.h', configuration: conf)
+
+subdir('po')
+subdir('games')
+subdir('tests')
diff --git a/po/meson.build b/po/meson.build
new file mode 100644
index 0000000..e9b77d7
--- /dev/null
+++ b/po/meson.build
@@ -0,0 +1 @@
+i18n.gettext(meson.project_name(), preset: 'glib')
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 0000000..9f6ce1c
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,18 @@
+lggs_tests = executable(
+    'libgnome-games-support-tests',
+    [ 'test-scores.vala' ],
+    vala_args: [
+        '--target-glib=2.44',
+    ],
+    dependencies: [
+        gee_dependency,
+        glib_dependency,
+        gtk_dependency,
+        lggs_dependency,
+    ],
+)
+test(
+    'libgnome-games-support-tests',
+    lggs_tests,
+    timeout: 1,
+)