[devhelp] meson: start to implement the build system with Meson

[Sébastien Wilmet <swilmet src gnome org>]

commit 9000dfb5c76aaf4160c0469560fc70be004e409e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Mar 10 20:27:19 2018 +0100

    meson: start to implement the build system with Meson
    
    Thanks to Iñigo Martínez for the initial patch.

 build/.gitignore    |    1 +
 devhelp/meson.build |   13 +++++++++
 meson.build         |   75 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+), 0 deletions(-)
---
diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 0000000..72e8ffc
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1 @@
+*
diff --git a/devhelp/meson.build b/devhelp/meson.build
new file mode 100644
index 0000000..58a57fe
--- /dev/null
+++ b/devhelp/meson.build
@@ -0,0 +1,13 @@
+libdevhelp_public_headers = [
+        'dh-completion.h'
+]
+
+libdevhelp_public_c_files = [
+        'dh-completion.c'
+]
+
+library('devhelp-3',
+        [libdevhelp_public_headers,
+         libdevhelp_public_c_files],
+        dependencies : DEVHELP_DEPS,
+        install : true)
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..0e0ae50
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,75 @@
+# Convention:
+# - Local variables in lower_case.
+# - Global variables in UPPER_CASE.
+# See: https://github.com/mesonbuild/meson/issues/2607
+
+project('devhelp', 'c',
+        meson_version : '>= 0.43',
+        version : '3.28.1')
+
+DEVHELP_DEPS = [
+        dependency('gio-2.0', version : '>= 2.40'),
+        dependency('gtk+-3.0', version : '>= 3.22'),
+        dependency('webkit2gtk-4.0', version : '>= 2.19.2'),
+        dependency('gsettings-desktop-schemas')
+]
+
+add_global_arguments('-DG_LOG_DOMAIN="@0@"'.format(meson.project_name()),
+                     language : 'c')
+
+#####
+# CFLAGS
+# (This is one of the ugly parts of Meson, currently.)
+# The same as the AX_COMPILER_FLAGS Autotools macro.
+
+warning_cflags = [
+        '-fno-strict-aliasing',
+        '-Wall',
+        '-Wextra',
+        '-Wundef',
+        '-Wnested-externs',
+        '-Wwrite-strings',
+        '-Wpointer-arith',
+        '-Wmissing-declarations',
+        '-Wmissing-prototypes',
+        '-Wstrict-prototypes',
+        '-Wredundant-decls',
+        '-Wno-unused-parameter',
+        '-Wno-missing-field-initializers',
+        '-Wdeclaration-after-statement',
+        '-Wformat=2',
+        '-Wold-style-definition',
+        '-Wcast-align',
+        '-Wformat-nonliteral',
+        '-Wformat-security',
+        '-Wsign-compare',
+        '-Wstrict-aliasing',
+        '-Wshadow',
+        '-Winline',
+        '-Wpacked',
+        '-Wmissing-format-attribute',
+        '-Wmissing-noreturn',
+        '-Winit-self',
+        '-Wredundant-decls',
+        '-Wmissing-include-dirs',
+        '-Wunused-but-set-variable',
+        '-Warray-bounds',
+        '-Wimplicit-function-declaration',
+        '-Wreturn-type',
+        '-Wswitch-enum',
+        '-Wswitch-default',
+        '-Wduplicated-cond',
+        '-Wduplicated-branches',
+        '-Wlogical-op',
+        '-Wrestrict',
+        '-Wnull-dereference',
+        '-Wjump-misses-init',
+        '-Wdouble-promotion'
+]
+
+c_compiler = meson.get_compiler('c')
+supported_warning_cflags = c_compiler.get_supported_arguments(warning_cflags)
+add_global_arguments(supported_warning_cflags, language : 'c')
+##### end CFLAGS
+
+subdir('devhelp')