Build system cleanups

README.md

@@ -1,10 +1,10 @@
 # Graphene
-###  A thin layer of types for graphic libraries
+
+### A thin layer of types for graphic libraries
 
 ![Linux Build](https://github.com/ebassi/graphene/workflows/Ubuntu%20Build/badge.svg)
 ![MSVC Build](https://github.com/ebassi/graphene/workflows/MSVC%20Build/badge.svg)
 ![MSYS2 Build](https://github.com/ebassi/graphene/workflows/MSYS2%20Build/badge.svg)
-[![Coverage Status](https://coveralls.io/repos/github/ebassi/graphene/badge.svg?branch=master)](https://coveralls.io/github/ebassi/graphene?branch=master)
 [![License: MIT](https://img.shields.io/badge/license-MIT-brightgreen.svg)](https://opensource.org/licenses/MIT)
 
 When creating graphic libraries you most likely end up dealing with points
@@ -67,10 +67,10 @@ First of all, clone the Git repository:
 
 Then run:
 
-    $ meson _build    # on Windows, it may be "meson.py"
-    $ cd _build
-    $ ninja test
-    # ninja install
+    $ meson setup _build
+    $ meson compile -C _build
+    $ meson test -C _build
+    $ meson install -C _build
 
 It is possible, when building Graphene, to disable specific optimizations by
 using configuration options:
@@ -120,12 +120,19 @@ Please note that on some MSYS2 installations the Meson binary may be called
 
 ## Documentation
 
+### Contributing
+
+You can follow the [contribution guide](./CONTRIBUTING.md) if you want to
+participate in this project. Graphene also has a [code of
+conduct](./CODE_OF_CONDUCT.md), so make sure to follow it when interacting
+on the project's issue tracker.
+
 ### Release notes
 
 The release notes are available on the Graphene
 [wiki](https://github.com/ebassi/graphene/wiki/Release-Notes).
 
-### Available types
+### Reference
 
 Graphene provides common types needed to handle 3D transformations:
 
@@ -139,7 +146,7 @@ Graphene provides common types needed to handle 3D transformations:
  * [vectors](http://ebassi.github.io/graphene/docs/graphene-Vectors.html) (2, 3, or 4-sized)
  * [matrices](http://ebassi.github.io/graphene/docs/graphene-Matrix.html)
  * [planes](http://ebassi.github.io/graphene/docs/graphene-Plane.html)
- * [axis aligned bounding boxes](http://ebassi.github.io/graphene/docs/graphene-Box.html)
+ * [3D axis aligned bounding boxes](http://ebassi.github.io/graphene/docs/graphene-Box.html)
  * [spheres](http://ebassi.github.io/graphene/docs/graphene-Sphere.html)
  * [frustums](http://ebassi.github.io/graphene/docs/graphene-Frustum.html)
 
@@ -161,4 +168,4 @@ Graphene is released under the terms of the MIT/X11 license.
 See the [license file](./LICENSE.txt) for more details.
 
 [mutest]: https://github.com/ebassi/mutest
-[gobject-api]: https://developer.gnome.org/gobject/stable/
+[gobject-api]: https://docs.gtk.org/gobject

include/meson.build

@@ -36,7 +36,7 @@ graphene_config_h = configure_file(
   input: 'graphene-config.h.meson',
   output: 'graphene-config.h',
   configuration: graphene_conf,
-  install_dir: join_paths(graphene_libdir, graphene_api_path, 'include'),
+  install_dir: graphene_libdir / graphene_api_path / 'include',
 )
 
 # Version header
@@ -50,7 +50,7 @@ configure_file(
   input: 'graphene-version.h.meson',
   output: 'graphene-version.h',
   configuration: version_conf,
-  install_dir: join_paths(graphene_includedir, graphene_api_path),
+  install_dir: graphene_includedir / graphene_api_path,
 )
 
 install_headers(

meson.build

@@ -1,12 +1,13 @@
 project('graphene', 'c',
-        version: '1.11.1',
-        license: 'MIT',
-        meson_version: '>= 1.0',
-        default_options: [
-          'buildtype=debugoptimized',
-          'c_std=c99',
-          'warning_level=1'
-        ])
+  version: '1.11.1',
+  license: 'MIT',
+  meson_version: '>= 1.0',
+  default_options: [
+    'buildtype=debugoptimized',
+    'c_std=c99',
+    'warning_level=1'
+  ],
+)
 
 cc = meson.get_compiler('c')
 host_system = host_machine.system()
@@ -44,9 +45,9 @@ darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, revision)]
 
 # Paths
 graphene_prefix = get_option('prefix')
-graphene_libdir = join_paths(graphene_prefix, get_option('libdir'))
-graphene_includedir = join_paths(graphene_prefix, get_option('includedir'))
-graphene_datadir = join_paths(graphene_prefix, get_option('datadir'))
+graphene_libdir = graphene_prefix / get_option('libdir')
+graphene_includedir = graphene_prefix / get_option('includedir')
+graphene_datadir = graphene_prefix / get_option('datadir')
 
 graphene_api_path = '@0@-@1@'.format(meson.project_name(), graphene_api_version)
 
@@ -198,11 +199,9 @@ elif get_option('optimization') in ['2', '3', 's']
 endif
 
 extra_args = []
-# Detect and set symbol visibility
-if get_option('default_library') != 'static'
-  if host_system == 'windows'
-    conf.set('DLL_EXPORT', true)
-  endif
+# Export DLL symbols on Windows when building a shared library
+if get_option('default_library') != 'static' and  host_system == 'windows'
+  conf.set('DLL_EXPORT', true)
 endif
 
 # Optional dependency on GObject
@@ -225,14 +224,11 @@ if get_option('gobject_types')
 endif
 
 # Optional dependency on GObject-Introspection; if GObject is disabled
-# then we don't build introspection data either
-gir = find_program('g-ir-scanner', required : get_option('introspection'))
-build_gir = build_gobject and gir.found()
-# Disable g-i when cross compiling by default because it rarely works unless
-# special care has been taken, in which case the user can enable the option.
-if meson.is_cross_build() and not get_option('introspection').enabled()
-  build_gir = false
-endif
+# then we don't build introspection data either.
+#
+# We only build introspection if we can run binaries on the host.
+gir = find_program('g-ir-scanner', required: get_option('introspection'))
+build_gir = get_option('introspection').allowed() and build_gobject and gir.found() and meson.can_run_host_binaries()
 
 # Check for InitOnce on Windows
 if host_system == 'windows'

src/meson.build

@@ -100,7 +100,7 @@ graphene_dep_sources = []
 # Introspection
 if build_gir
   python = python.find_installation('python3')
-  identfilter_py = join_paths(meson.current_source_dir(), 'identfilter.py')
+  identfilter_py = meson.current_source_dir() / 'identfilter.py'
 
   gir_extra_args = [
     '--identifier-filter-cmd=@0@ "@1@"'.format(python.full_path(), identfilter_py),
@@ -122,6 +122,7 @@ if build_gir
     header: 'graphene-gobject.h',
     install: true,
     extra_args: gir_extra_args,
+    fatal_warnings: get_option('werror'),
   )
   graphene_dep_sources += graphene_gir
 endif