xref: /aosp_15_r20/external/zstd/build/meson/meson.build (revision 01826a4963a0d8a59bc3812d29bdf0fb76416722) 
1# #############################################################################
2# Copyright (c) 2018-present     Dima Krasner <[email protected]>
3#                                lzutao <taolzu(at)gmail.com>
4# All rights reserved.
5#
6# This source code is licensed under both the BSD-style license (found in the
7# LICENSE file in the root directory of this source tree) and the GPLv2 (found
8# in the COPYING file in the root directory of this source tree).
9# #############################################################################
10
11project('zstd',
12  ['c', 'cpp'],
13  license: ['BSD', 'GPLv2'],
14  default_options : [
15    # There shouldn't be any need to force a C standard convention for zstd
16    # but in case one would want that anyway, this can be done here.
17    # 'c_std=gnu99',
18    # c++11 standard is useful for pzstd
19    'cpp_std=c++11',
20    'buildtype=release',
21    'warning_level=3',
22    # -Wdocumentation does not actually pass, nor do the test binaries,
23    # so this isn't safe
24    #'werror=true'
25  ],
26  version: run_command(
27    find_program('GetZstdLibraryVersion.py'), '../../lib/zstd.h',
28    check: true).stdout().strip(),
29  meson_version: '>=0.50.0')
30
31cc = meson.get_compiler('c')
32cxx = meson.get_compiler('cpp')
33pkgconfig = import('pkgconfig')
34windows_mod = import('windows')
35
36host_machine_os = host_machine.system()
37os_windows = 'windows'
38os_linux = 'linux'
39os_darwin = 'darwin'
40os_freebsd = 'freebsd'
41os_sun = 'sunos'
42
43cc_id = cc.get_id()
44compiler_gcc = 'gcc'
45compiler_clang = 'clang'
46compiler_msvc = 'msvc'
47
48zstd_version = meson.project_version()
49
50zstd_libversion = zstd_version
51
52# =============================================================================
53# Installation directories
54# =============================================================================
55
56zstd_prefix = get_option('prefix')
57zstd_bindir = get_option('bindir')
58zstd_datadir = get_option('datadir')
59zstd_mandir = get_option('mandir')
60zstd_docdir = join_paths(zstd_datadir, 'doc', meson.project_name())
61
62# =============================================================================
63# Project options
64# =============================================================================
65
66# Built-in options
67use_debug = get_option('debug')
68buildtype = get_option('buildtype')
69default_library_type = get_option('default_library')
70
71# Custom options
72debug_level = get_option('debug_level')
73legacy_level = get_option('legacy_level')
74use_backtrace = get_option('backtrace')
75use_static_runtime = get_option('static_runtime')
76
77bin_programs = get_option('bin_programs')
78bin_contrib = get_option('bin_contrib')
79bin_tests = get_option('bin_tests')
80
81feature_multi_thread = get_option('multi_thread')
82feature_zlib = get_option('zlib')
83feature_lzma = get_option('lzma')
84feature_lz4 = get_option('lz4')
85
86# =============================================================================
87# Dependencies
88# =============================================================================
89
90libm_dep = cc.find_library('m', required: false)
91thread_dep = dependency('threads', required: feature_multi_thread)
92use_multi_thread = thread_dep.found()
93# Arguments in dependency should be equivalent to those passed to pkg-config
94zlib_dep = dependency('zlib', required: feature_zlib)
95use_zlib = zlib_dep.found()
96lzma_dep = dependency('liblzma', required: feature_lzma)
97use_lzma = lzma_dep.found()
98lz4_dep = dependency('liblz4', required: feature_lz4)
99use_lz4 = lz4_dep.found()
100
101# =============================================================================
102# Compiler flags
103# =============================================================================
104
105add_project_arguments('-DXXH_NAMESPACE=ZSTD_', language: ['c'])
106
107pzstd_warning_flags = []
108if [compiler_gcc, compiler_clang].contains(cc_id)
109  common_warning_flags = [ '-Wundef', '-Wshadow', '-Wcast-align', '-Wcast-qual' ]
110  pzstd_warning_flags = ['-Wno-shadow', '-Wno-deprecated-declarations']
111  if cc_id == compiler_clang
112    common_warning_flags += ['-Wconversion', '-Wno-sign-conversion', '-Wdocumentation']
113  endif
114  cc_compile_flags = cc.get_supported_arguments(common_warning_flags + ['-Wstrict-prototypes'])
115  cxx_compile_flags = cxx.get_supported_arguments(common_warning_flags)
116  add_project_arguments(cc_compile_flags, language : 'c')
117  add_project_arguments(cxx_compile_flags, language : 'cpp')
118elif cc_id == compiler_msvc
119  msvc_compile_flags = [ '/D_UNICODE', '/DUNICODE' ]
120  if use_multi_thread
121    msvc_compile_flags += '/MP'
122  endif
123  if use_static_runtime
124    msvc_compile_flags += '/MT'
125  endif
126  add_project_arguments(msvc_compile_flags, language: ['c', 'cpp'])
127endif
128
129# =============================================================================
130# Subdirs
131# =============================================================================
132
133subdir('lib')
134
135if bin_programs or bin_tests
136  subdir('programs')
137endif
138
139if bin_tests
140  subdir('tests')
141endif
142
143if bin_contrib
144  subdir('contrib')
145endif
146