summaryrefslogtreecommitdiffstats
path: root/contrib/meson/meson.build
blob: 3c39034661e2e83b1d663c8682d33dc4f436d628 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# #############################################################################
# Copyright (c) 2018-present    lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################

project('lz4', ['c'],
  license: ['BSD', 'GPLv2'],
  default_options : ['c_std=c99',
    'buildtype=release'],
  version: '1.8.3',
  meson_version: '>=0.47.0')

cc = meson.get_compiler('c')
pkgconfig = import('pkgconfig')
python3 = import('python').find_installation()

host_machine_os = host_machine.system()
os_windows = 'windows'
os_linux = 'linux'
os_darwin = 'darwin'
os_freebsd = 'freebsd'
os_sun = 'sunos'

cc_id = cc.get_id()
compiler_gcc = 'gcc'
compiler_clang = 'clang'
compiler_msvc = 'msvc'

lz4_version = meson.project_version()
lz4_libversion = ''

c_std = get_option('c_std')

# =============================================================================
# Installation directories
# =============================================================================

if host_machine_os == os_windows
  lz4_prefix = '.'
  lz4_bindir = 'bin'
  lz4_datadir = 'share'
  lz4_mandir = join_paths(lz4_datadir, 'man')
else
  lz4_prefix = get_option('prefix')
  lz4_bindir = join_paths(lz4_prefix, get_option('bindir'))
  lz4_datadir = join_paths(lz4_prefix, get_option('datadir'))
  lz4_mandir = join_paths(lz4_prefix, get_option('mandir'))
endif

lz4_docdir = join_paths(lz4_datadir, 'doc', meson.project_name())

# =============================================================================
# Project options
# =============================================================================

buildtype = get_option('buildtype')

# Built-in options
use_debug = get_option('debug')

# Custom options
debug_level = get_option('debug_level')
use_backtrace = get_option('backtrace')

build_programs = get_option('build_programs')
build_contrib = get_option('build_contrib')
build_tests = get_option('build_tests')
build_examples = get_option('build_examples')
#feature_multi_thread = get_option('multi_thread')

# =============================================================================
# Helper scripts for Meson
# =============================================================================

GetLz4LibraryVersion_py = files('GetLz4LibraryVersion.py')

# =============================================================================
# Getting project version from lz4.h
# =============================================================================

lz4_h_file = join_paths(meson.current_source_dir(), 'lib/lz4.h')
r = run_command(python3, GetLz4LibraryVersion_py, lz4_h_file)
if r.returncode() == 0
  output = r.stdout().strip()
  if output.version_compare('>@0@'.format(lz4_version))
    lz4_version = output
    message('Project version is now: @0@'.format(lz4_version))
  endif
endif

if host_machine_os != os_windows
  lz4_libversion = lz4_version
endif

# =============================================================================
# Dependencies
# =============================================================================

#libm_dep = cc.find_library('m', required: build_tests)
#thread_dep = dependency('threads', required: feature_multi_thread)
#use_multi_thread = thread_dep.found()

# =============================================================================
# Compiler flags
# =============================================================================

add_project_arguments(['-DXXH_NAMESPACE=LZ4_'], language: 'c')

if [compiler_gcc, compiler_clang].contains(cc_id)
  common_warning_flags = []
  # Should use Meson's own --werror build option
  #common_warning_flags += ['-Werror']
  if c_std == 'c89' or c_std == 'gnu89'
    common_warning_flags += ['-pedantic', '-Wno-long-long', '-Wno-variadic-macros']
  elif c_std == 'c99' or c_std == 'gnu99'
    common_warning_flags += ['-pedantic']
  endif
  cc_compile_flags = cc.get_supported_arguments(common_warning_flags)
  add_project_arguments(cc_compile_flags, language: 'c')
endif

# =============================================================================
# Subdirs
# =============================================================================

subdir('lib')

if build_programs
  subdir('programs')
endif

if build_tests
  subdir('tests')
endif

if build_contrib
  subdir('contrib')
endif

if build_examples
  subdir('examples')
endif