Add meson build system

Co-authored-by: Félix Piédallu <felix@piedallu.me>
Co-authored-by: Jan Tojnar <jtojnar@gmail.com>

.travis.yml

@@ -4,6 +4,7 @@ compiler:
   - gcc
 
 sudo: required
+services: docker
 
 dist: trusty
 
@@ -15,18 +16,36 @@ addons:
       - libgirepository1.0-dev
       - libgegl-dev
 
-script:
-    - ./autogen.sh
-    - ./configure
-    - make
-    - make clean
-    - make distcheck
-    - make maintainer-clean
-    - ./autogen.sh
-    - ./configure --with-introspection
-    - make
-    - make maintainer-clean
-    - ./autogen.sh
-    - ./configure --with-gegl
-    - make
-    - make maintainer-clean
+jobs:
+  include:
+    - stage: "Build"
+      name: "Autotools build"
+      script:
+        - ./autogen.sh
+        - ./configure
+        - make
+        - make clean
+        - make distcheck
+        - make maintainer-clean
+        - ./autogen.sh
+        - ./configure --with-introspection
+        - make
+        - make maintainer-clean
+        - ./autogen.sh
+        - ./configure --with-gegl
+        - make
+        - make maintainer-clean
+
+    - name: "Meson build"
+      script:
+        - sudo docker pull ubuntu:disco
+        - sudo docker run -t -v $(pwd):/sources ubuntu:disco /bin/bash -ec "
+             apt update -y
+          && apt install -y meson gettext libjson-c-dev libgirepository1.0-dev libgegl-dev git
+          && meson /sources _build --buildtype=release
+          && ninja -C _build test
+          && ninja -C _build dist
+          && meson /sources _build_gegl --buildtype=release -Dgegl=true
+          && ninja -C _build_gegl test
+          && ninja -C _build_gegl dist
+          "

appveyor_build.sh

@@ -11,7 +11,9 @@ pacman --noconfirm -S --needed \
        base-devel \
        ${PKG_PREFIX}-json-c \
        ${PKG_PREFIX}-glib2 \
-       ${PKG_PREFIX}-gobject-introspection
+       ${PKG_PREFIX}-gobject-introspection \
+       ${PKG_PREFIX}-meson \
+       git
 
 
 # Add m4 directories to the ACLOCAL_PATH
@@ -30,6 +32,11 @@ done
 export ACLOCAL_PATH
 export PWD="$APPVEYOR_BULD_FOLDER"
 
+# Meson build, we need a way to parallel this with Autotools
+meson setup _build --buildtype=release -Dgegl=false -Ddocs=false
+meson dist -C _build
+rm -rf _build
+
 ./autogen.sh
 ./configure
 make distcheck

doc/meson.build

@@ -0,0 +1,37 @@
+doc_conf = configuration_data()
+doc_conf.merge_from(conf)
+
+doc_conf.set('DOXYGEN_SOURCE_ROOT', meson.project_source_root())
+doc_conf.set('DOXYXML_BUILD_PATH', meson.current_build_dir())
+doc_conf.set('DOXYGEN_EXCLUDED', '')
+
+doxyfile = configure_file(
+  input: 'Doxyfile.in',
+  output: 'Doxyfile',
+  configuration: doc_conf,
+)
+
+doxygen_index = custom_target(
+  'doxygen',
+  input: doxyfile,
+  output: 'index.xml',
+  command: [
+    doxygen,
+    '@INPUT@',
+  ],
+)
+
+subdir('source')
+
+run_target(
+  'sphinx',
+  depends: [
+    doxygen_index,
+  ],
+  command: [
+    sphinx_build,
+    '-c', meson.current_build_dir() / 'source',
+    meson.current_source_dir() / 'source',
+    meson.current_build_dir() / 'build',
+  ],
+)

doc/source/meson.build

@@ -0,0 +1,5 @@
+sphinx_conf_file = configure_file(
+  input: 'conf.py.in',
+  output: 'conf.py',
+  configuration: doc_conf,
+)

gegl/meson.build

@@ -0,0 +1,66 @@
+libmypaint_gegl_inc = include_directories('.')
+
+libmypaint_gegl_sources = [
+  '../glib/mypaint-gegl-glib.c',
+  'mypaint-gegl-surface.c',
+]
+
+libmypaint_gegl_headers = [
+  '../glib/mypaint-gegl-glib.h',
+  'mypaint-gegl-surface.h',
+]
+
+libmypaint_gegl = library(
+  f'mypaint-gegl-@api_platform_version@',
+  libmypaint_gegl_sources,
+  include_directories: toplevel_inc,
+  link_with: libmypaint,
+  dependencies: [
+    json,
+    gobject,
+    gegl,
+  ],
+  version: abi_version_info,
+  install: true,
+)
+
+install_headers(
+  libmypaint_gegl_headers,
+  subdir: 'libmypaint-gegl',
+)
+
+
+if get_option('introspection')
+  gnome = import('gnome')
+
+  libmypaint_gegl_gir = gnome.generate_gir(
+    libmypaint_gegl,
+    namespace: 'MyPaintGegl',
+    nsversion: api_platform_version,
+
+    sources: libmypaint_gegl_sources + libmypaint_gegl_headers,
+    symbol_prefix: 'mypaint_gegl',
+    identifier_prefix: 'MyPaintGegl',
+
+    includes: [
+      'GObject-2.0',
+      gegl_gir,
+      libmypaint_gir[0],
+    ],
+    install: true,
+  )
+endif
+
+
+pkgconfig.generate(
+  libmypaint_gegl,
+  name: meson.project_name() + '-gegl-' + api_platform_version,
+  version: version_full,
+  description: 'MyPaint brush engine library, with GEGL integration',
+  requires: [
+    libmypaint,
+    gegl,
+  ],
+  url: project_url,
+  subdirs: 'libmypaint-gegl',
+)