Skip to content

Commit 68a4cc3

Browse files
aperezdcaperezdc
committed
meson: Import build definitions for Meson
This replicates the CMake build system without replacing it, the main difference being that build options are passed differently: * -DBUILD_DOCS=ON becomes -Dbuild-docs=true * -DWPE_BACKEND=... becomes -Ddefault-backend=... Of course, the rest of CMake vs. Meson differences apply. There are some niceties and advantages over CMake, like being trivial to do unified builds (with "--unity"), compiler warnings being enabled by default (controllable with "--warnlevel" and "--werror"), being able to disable C++ exception handling with project options, first grade support for pkg-config dependencies, being able to run scan-build without manual configuration (just run "ninja scan-build"), to name a few.
1 parent baabb08 commit 68a4cc3

File tree

2 files changed

+155
-0
lines changed

2 files changed

+155
-0
lines changed

‎meson.build

Lines changed: 145 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,145 @@
1+
project('libwpe', 'cpp', 'c',
2+
meson_version: '>=0.49',
3+
default_options: [
4+
'b_ndebug=if-release',
5+
'c_std=c99',
6+
'cpp_eh=none',
7+
'cpp_std=c++11',
8+
],
9+
license: 'BSD-2-Clause',
10+
version: '1.7.0',
11+
)
12+
13+
# This refers to the API level provided. This is modified only with major,
14+
# breaking changes, which need modifications in programs using the library
15+
# before they can be compiled again.
16+
api_version = '1.0'
17+
18+
# Before making a release, the LT_VERSION string should be modified.
19+
# The string is of the form [C, R, A].
20+
# - If interfaces have been changed or added, but binary compatibility has
21+
# been preserved, change to [C+1, 0, A+1].
22+
# - If binary compatibility has been broken (eg removed or changed interfaces)
23+
# change to [C+1, 0, 0]
24+
# - If the interface is the same as the previous version, use [C, R+1, A].
25+
soversion = [5, 0, 4]
26+
27+
# Split the *project* version into its components.
28+
version_info = meson.project_version().split('.')
29+
version_info = {
30+
'PROJECT_VERSION_MAJOR': version_info[0],
31+
'PROJECT_VERSION_MINOR': version_info[1],
32+
'PROJECT_VERSION_PATCH': version_info[2],
33+
}
34+
35+
# Mangle [C, R, A] into an actual usable *soversion*.
36+
soversion_major = soversion[0] - soversion[2] # Current-Age
37+
soversion_minor = soversion[2] # Age
38+
soversion_micro = soversion[1] # Revision
39+
soversion = '@0@.@1@.@2@'.format(soversion_major, soversion_minor, soversion_micro)
40+
41+
add_project_arguments('-DWPE_COMPILATION=1', language: ['c', 'cpp'])
42+
43+
# Switch to the 'cpp_rtti=false' default option when updating to Meson 0.53 or newer, see
44+
# https://mesonbuild.com/FAQ.html#how-do-i-disable-exceptions-and-rtti-in-my-c-project
45+
add_project_arguments(
46+
meson.get_compiler('cpp').get_supported_arguments(['-fno-rtti']),
47+
language: 'cpp'
48+
)
49+
50+
default_backend = get_option('default-backend').strip()
51+
if default_backend != ''
52+
add_project_arguments('-DWPE_BACKEND="@0@"'.format(default_backend), language: ['c', 'cpp'])
53+
endif
54+
55+
dependencies = [
56+
dependency('xkbcommon'),
57+
]
58+
59+
cc = meson.get_compiler('c')
60+
if not cc.has_header('EGL/eglplatform.h')
61+
dependencies += dependency('egl')
62+
endif
63+
64+
if not cc.has_function('dlopen')
65+
dependencies += cc.find_library('dl')
66+
endif
67+
68+
libwpe = library('wpe-' + api_version,
69+
'src/input.c',
70+
'src/key-unicode.c',
71+
'src/loader.c',
72+
'src/pasteboard.c',
73+
'src/pasteboard-generic.cpp',
74+
'src/pasteboard-noop.cpp',
75+
'src/renderer-backend-egl.c',
76+
'src/renderer-host.c',
77+
'src/version.c',
78+
'src/view-backend.c',
79+
install: true,
80+
dependencies: dependencies,
81+
version: soversion,
82+
soversion: soversion_major,
83+
include_directories: 'include',
84+
)
85+
86+
api_headers = [
87+
'include/wpe/export.h',
88+
'include/wpe/input.h',
89+
'include/wpe/keysyms.h',
90+
'include/wpe/loader.h',
91+
'include/wpe/pasteboard.h',
92+
'include/wpe/renderer-backend-egl.h',
93+
'include/wpe/renderer-host.h',
94+
'include/wpe/view-backend.h',
95+
'include/wpe/wpe-egl.h',
96+
'include/wpe/wpe.h',
97+
98+
# Generated API headers.
99+
configure_file(
100+
input: 'include/wpe/version.h.cmake',
101+
output: 'version.h',
102+
configuration: version_info,
103+
),
104+
configure_file(
105+
input: 'include/wpe/version-deprecated.h.cmake',
106+
output: 'version-deprecated.h',
107+
configuration: version_info,
108+
),
109+
]
110+
install_headers(api_headers,
111+
subdir: join_paths('wpe-' + api_version, 'wpe'),
112+
)
113+
114+
import('pkgconfig').generate(
115+
description: 'The wpe library',
116+
name: 'wpe-' + api_version,
117+
subdirs: 'wpe-' + api_version,
118+
libraries: libwpe,
119+
version: meson.project_version(),
120+
)
121+
122+
if get_option('build-docs')
123+
hotdoc = import('hotdoc')
124+
assert(hotdoc.has_extensions('c-extension'),
125+
'The HotDoc C extension is required.'
126+
)
127+
libwpe_doc = hotdoc.generate_doc(meson.project_name(),
128+
project_version: api_version,
129+
dependencies: dependencies,
130+
index: 'docs/index.md',
131+
sitemap: 'docs/sitemap.txt',
132+
console: true,
133+
install: true,
134+
build_by_default: true,
135+
c_smart_index: true,
136+
c_sources: api_headers,
137+
c_include_directories: [
138+
include_directories('include'),
139+
meson.current_build_dir()
140+
],
141+
# The space here is relevant, see
142+
# https://github.com/mesonbuild/meson/issues/5800#issuecomment-552198354
143+
extra_c_flags: [' -DWPE_COMPILATION=1'],
144+
)
145+
endif

‎meson_options.txt

Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
1+
option('default-backend',
2+
type: 'string',
3+
value: '',
4+
description: 'Name of the backend library to load, instead of libWPEBackend-default.so'
5+
)
6+
option('build-docs',
7+
type: 'boolean',
8+
value: false,
9+
description: 'Build reference documentation (needs HotDoc)'
10+
)

0 commit comments

Comments
 (0)