1# a sort-of realistic example that combines the sourceset and keyval
2# modules, inspired by QEMU's build system
3
4project('sourceset-example', 'cpp', default_options: ['cpp_std=c++11'])
5
6cppid = meson.get_compiler('cpp').get_id()
7if cppid == 'pgi'
8  error('MESON_SKIP_TEST: Even PGI 19.4 that claims C++17 full support, cannot handle auto x = y syntax used in this test.')
9endif
10
11ss = import('sourceset')
12keyval = import('keyval')
13
14zlib = declare_dependency(compile_args: '-DZLIB=1')
15another = declare_dependency(compile_args: '-DANOTHER=1')
16not_found = dependency('not-found', required: false)
17
18common = ss.source_set()
19specific = ss.source_set()
20
21common.add(files('main.cc'))
22common.add(when: [zlib, another], if_true: files('zlib.cc'))
23common.add(when: not_found,
24           if_true: files('was-found.cc'),
25           if_false: files('not-found.cc'))
26
27subdir('boards')
28subdir('devices')
29
30if meson.is_unity()
31  specific.add_all(common)
32  common = ss.source_set()
33endif
34
35common_lib = static_library('common', common.all_sources(),
36                            dependencies: common.all_dependencies())
37
38targets = [ 'arm', 'aarch64', 'x86' ]
39target_dirs = { 'arm' : 'arm', 'aarch64' : 'arm', 'x86': 'x86' }
40
41foreach x : targets
42  config = keyval.load('config' / x)
43  target_specific = specific.apply(config, strict: false)
44  target_common = common.apply(config, strict: false)
45  target_deps = target_specific.dependencies() + target_common.dependencies()
46  executable(x,
47             objects: common_lib.extract_objects(target_common.sources()),
48             sources: target_specific.sources(),
49             dependencies: target_deps,
50             include_directories: 'boards' / target_dirs[x],
51             cpp_args: '-DTHE_TARGET="' + x + '"')
52endforeach
53