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Issue 29527808: Noissue - Use meson to build the C++ code (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Properly build with DEBUG Created Nov. 24, 2017, 8:14 p.m.
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1 project('adblockpluscore', license: ['GPL3'], meson_version: '>0.40.0')
2
3 # locate emscripten-config
4 python = import('python3').find_python()
5 emscripten_config = get_option('emscripten-config')
6 command = run_command(python, '-c', 'import os.path, sys;print(os.path.expanduse r(sys.argv[1]))', emscripten_config)
7 if command.returncode() != 0
8 error(command.stderr().strip())
9 endif
10 emscripten_config = command.stdout().strip()
11 message('Emscripten config file: ' + emscripten_config)
12
13 # locate emcc
14 command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());p rint(EMSCRIPTEN_ROOT)', emscripten_config)
15 if command.returncode() != 0
16 error(command.stderr().strip())
17 endif
18 emcc = join_paths(command.stdout().strip(), 'emcc')
19 emcc = find_program(emcc)
20
21 # locate node
22 command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());p rint(NODE_JS)', emscripten_config)
23 if command.returncode() != 0
24 error(command.stderr().strip())
25 endif
26 nodejs = find_program(command.stdout().strip(), 'node', 'nodejs')
27
28 JS_LIBRARY = files(join_paths('compiled', 'library.js'))
29 BINDINGS_JS_LIBRARY = files(join_paths('compiled', 'bindings', 'library.js'))
30 BINDINGS_GENERATOR = 'bindings.cpp.js'
31 BINDINGS_OUTPUT = 'bindings.js'
32 COMPILER_OUTPUT = 'compiled.js'
33 # params for emcc compilation
34 ADDITIONAL_PARAMS = [ '-O3', '-m32', '-std=c++1z', '--memory-init-file', '0',
35 '--emit-symbol-map', '-Wall', '-Werror',
36 '-fno-rtti' ]
37 # additional params just for core
38 CORE_PARAMS = [ '-fno-exceptions' ]
39
40 DEFINES = []
41 GENERATION_PARAMS = [
42 ['SHELL_FILE', '"' +
43 join_paths(meson.source_root(), 'compiled', 'shell.js') +
44 '"'],
45 ['ASM_JS', '2'], # "almost asm"
46 ['TOTAL_MEMORY', 16*1024*1024],
47 ['TOTAL_STACK', 1*1024*1024],
48 ['ALLOW_MEMORY_GROWTH', 1],
49 ['NO_EXIT_RUNTIME', 1],
50 ['NO_DYNAMIC_EXECUTION', 1],
51 ['NO_FILESYSTEM', 1],
52 ['INVOKE_RUN', 0],
53 ['TEXTDECODER', 0],
54 ['EXPORTED_RUNTIME_METHODS', '["cwrap", "ccall", "stringToAscii"]']
55 ]
56
57
58 shared_sources = [
59 'compiled/bindings/runtime_utils.cpp',
60 'compiled/filter/ActiveFilter.cpp',
61 'compiled/filter/BlockingFilter.cpp',
62 'compiled/filter/CommentFilter.cpp',
63 'compiled/filter/ElemHideBase.cpp',
64 'compiled/filter/ElemHideEmulationFilter.cpp',
65 'compiled/filter/ElemHideException.cpp',
66 'compiled/filter/ElemHideFilter.cpp',
67 'compiled/filter/Filter.cpp',
68 'compiled/filter/InvalidFilter.cpp',
69 'compiled/filter/RegExpFilter.cpp',
70 'compiled/filter/WhitelistFilter.cpp',
71 'compiled/storage/FilterStorage.cpp',
72 'compiled/subscription/DownloadableSubscription.cpp',
73 'compiled/subscription/Subscription.cpp',
74 'compiled/subscription/UserDefinedSubscription.cpp',
75 ]
76 # sources specific to core
77 core_sources = [
78 'compiled/traceInit.cpp',
79 ]
80 # sources for the bindings generator
81 bindings_sources = [
82 'compiled/bindings/generator.cpp',
83 'compiled/bindings/main.cpp',
84 ]
85
86 defines_args = []
87 foreach define : DEFINES
88 defines_args += '-D' + define
89 endforeach
90
91 generation_args = []
92 foreach param : GENERATION_PARAMS
93 generation_args += '-s'
94 generation_args += param[0] + '=' + '@0@'.format(param[1])
95 endforeach
96
97 optional_args = []
98 buildtype = get_option('buildtype')
99 if buildtype.startswith('debug')
100 optional_args += '-DDEBUG'
101 optional_args += '-g3'
102 endif
103 tracing = get_option('tracing')
104 if tracing
105 optional_args += '--tracing'
106 endif
107
108 compiler_args = defines_args + generation_args + ADDITIONAL_PARAMS
109
110 # build objects.
111 core_objects = []
112 bindings_objects = []
113 shared_objects = []
114 foreach group : ['core', 'bindings', 'shared']
115 objects = []
116 foreach source_file : get_variable(group + '_sources')
117 output_file = source_file.underscorify() + '.o'
118 command = [ emcc, '-MD', '-MF', '@DEPFILE@', '-c', '-o', '@OUTPUT@',
119 '@INPUT@' ] + compiler_args
120 if group != 'bindings'
121 command += CORE_PARAMS + optional_args
122 endif
123 objects += custom_target(output_file,
124 input: files(source_file),
125 output: output_file,
126 depfile: output_file + '.deps',
127 command: command)
128 endforeach
129 # Ideally, we would call set_variable() here but that doesn't work with arrays
130 # (see https://github.com/mesonbuild/meson/issues/1481). So we have to do this
131 # shifting dance instead.
132 core_objects = bindings_objects
133 bindings_objects = shared_objects
134 shared_objects = objects
135 endforeach
136
137 # link the binding generator
138 bindings_generator = custom_target(BINDINGS_GENERATOR,
139 input: bindings_objects + shared_objects,
140 output: BINDINGS_GENERATOR,
141 depend_files: [ JS_LIBRARY, BINDINGS_JS_LIBRA RY ],
142 command: [
143 emcc, '-o', '@OUTPUT@',
144 '--js-library', JS_LIBRARY,
145 '--js-library', BINDINGS_JS_LIBRARY,
146 '@INPUT@'
147 ])
148 # run the binding generator
149 bindings_output = custom_target(BINDINGS_OUTPUT,
150 input: bindings_generator,
151 output: BINDINGS_OUTPUT,
152 capture: true,
153 command: [nodejs, '@INPUT@'])
154
155 # link the core
156 output_file = join_paths(meson.source_root(), 'lib', COMPILER_OUTPUT)
157 compiler_output = custom_target(COMPILER_OUTPUT,
158 build_by_default: true,
159 input: core_objects + shared_objects,
160 output: COMPILER_OUTPUT,
161 depend_files: [ JS_LIBRARY ],
162 command: [
163 emcc, '-o', output_file,
164 '--post-js', bindings_output,
165 '--js-library', JS_LIBRARY,
166 '@INPUT@'
167 ] + compiler_args + optional_args)
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