1 # SPDX-License-Identifier: LGPL-2.1-or-later
16 meson_version: '>= 0.50')
18 cc = meson.get_compiler('c')
22 'python3', '-c', 'import jinja2',
23 check: false).returncode() != 0
24 error('python3 jinja2 missing')
27 meson_build_sh = find_program('tools/meson-build.sh')
28 meson_render_jinja2 = find_program('tools/meson-render-jinja2.py')
30 # Configuration options.
31 conf = configuration_data()
32 conf.set_quoted('PROJECT', meson.project_name())
33 conf.set_quoted('PROJECT_URL', 'https://linuxcontainers.org/lxcfs/')
34 conf.set_quoted('PROJECT_VERSION', meson.project_version())
35 conf.set_quoted('PACKAGE_VERSION', meson.project_version())
36 conf.set('_GNU_SOURCE', true)
37 conf.set('_FILE_OFFSET_BITS', 64)
38 conf.set('__STDC_FORMAT_MACROS', true)
40 project_source_root = meson.current_source_dir()
41 project_build_root = meson.current_build_dir()
44 prefixdir = get_option('prefix')
45 bindir = join_paths(prefixdir, get_option('bindir'))
46 libdir = join_paths(prefixdir, get_option('libdir'))
47 lxcfsdir = join_paths(libdir, 'lxcfs')
48 sysconfdir = join_paths(prefixdir, get_option('sysconfdir'))
49 runtimepath = join_paths(prefixdir, get_option('runtime-path'))
50 localstatedir = join_paths('/', get_option('localstatedir'))
51 datadir = join_paths(prefixdir, get_option('datadir'))
53 lxcfssharedir = join_paths(datadir, 'lxcfs')
54 lxcconfdir = join_paths(datadir, 'lxc/config/common.conf.d')
55 lxcmandir = join_paths(datadir, 'man')
57 conf.set_quoted('BINDIR', bindir)
58 conf.set_quoted('LIBDIR', libdir)
59 conf.set_quoted('LOCALSTATEDIR', localstatedir)
60 conf.set_quoted('RUNTIME_PATH', runtimepath)
61 conf.set_quoted('SYSCONFDIR', sysconfdir)
63 conf.set_quoted('LXCCONFDIR', lxcconfdir)
64 conf.set_quoted('LXCFS_BUILD_ROOT', project_build_root)
65 conf.set_quoted('LXCFSSHAREDIR', lxcfssharedir)
66 conf.set_quoted('LXCFS_SOURCE_ROOT', project_source_root)
67 conf.set_quoted('LXCFSTARGETDIR', join_paths(localstatedir, 'lib/lxcfs'))
69 # Custom configuration.
70 init_script = get_option('init-script')
71 want_tests = get_option('tests')
72 want_docs = get_option('docs')
77 '-Wimplicit-fallthrough=5',
79 '-Wstrict-prototypes',
80 '-fno-strict-aliasing',
81 '-fstack-clash-protection',
82 '-fstack-protector-strong',
83 '--param=ssp-buffer-size=4',
84 '--mcet -fcf-protection',
85 '-Werror=implicit-function-declaration',
87 '-Wmissing-include-dirs',
88 '-Wold-style-definition',
90 '-Wunused-but-set-variable',
91 '-Wno-unused-parameter',
93 '-Wsuggest-attribute=noreturn',
94 '-Werror=return-type',
95 '-Werror=incompatible-pointer-types',
100 '-fdiagnostics-show-option',
101 '-Werror=shift-count-overflow',
102 '-Werror=shift-overflow=2',
105 '-fasynchronous-unwind-tables',
109 '-Wreturn-local-addr',
111 '-Wstringop-overflow',
114 possible_link_flags = [
121 if meson.version().version_compare('>=0.46')
122 add_project_link_arguments(cc.get_supported_link_arguments(possible_link_flags), language: 'c')
124 add_project_link_arguments(possible_link_flags, language: 'c')
127 add_project_arguments(cc.get_supported_arguments(possible_cc_flags), language: 'c')
131 ['strlcpy', '''#include <string.h>'''],
132 ['strlcat', '''#include <string.h>'''],
133 ['pidfd_send_signal',
134 '''#include <stdlib.h>
137 #include <sys/wait.h>'''],
139 '''#include <stdlib.h>
142 #include <sys/wait.h>'''],
144 have = cc.has_function(ident[0], prefix: ident[1], args: '-D_GNU_SOURCE')
145 conf.set10('HAVE_' + ident[0].to_upper(), have)
148 fuse_version = get_option('fuse-version')
149 if fuse_version == '3' or fuse_version == 'auto'
150 libfuse = dependency('fuse3', required: false)
152 conf.set10('HAVE_FUSE3', true)
153 conf.set('FUSE_USE_VERSION', 35)
154 if libfuse.version().version_compare('>=3.10.3')
155 conf.set10('HAVE_FUSE_RETURNS_DT_TYPE', true)
157 conf.set10('HAVE_FUSE_RETURNS_DT_TYPE', false)
162 if fuse_version == '2' or (not libfuse.found() and fuse_version == 'auto')
163 libfuse = dependency('fuse', version: '>= 2.6')
165 conf.set10('HAVE_FUSE', true)
166 conf.set('FUSE_USE_VERSION', 26)
167 conf.set10('HAVE_FUSE_RETURNS_DT_TYPE', true)
171 if not libfuse.found()
172 error('no usable fuse version found')
175 libdl = cc.find_library('dl')
176 threads = dependency('threads')
178 config_h = configure_file(
181 config_include = include_directories('.')
182 add_project_arguments('-include', 'config.h', language: 'c')
185 lxcfs_sources = files('src/lxcfs.c')
198 liblxcfs_sources = files(
199 'src/api_extensions.h',
202 'src/cgroups/cgfsng.c',
203 'src/cgroups/cgroup.c',
204 'src/cgroups/cgroup.h',
205 'src/cgroups/cgroup_utils.c',
206 'src/cgroups/cgroup_utils.h',
209 'src/cpuset_parse.c',
210 'src/cpuset_parse.h',
213 'src/lxcfs_fuse_compat.h',
215 'src/memory_utils.h',
216 'src/proc_cpuview.c',
217 'src/proc_cpuview.h',
220 'src/proc_loadavg.c',
221 'src/proc_loadavg.h',
222 'src/syscall_numbers.h',
228 liblxcfs_common_dependencies = declare_dependency(
229 sources: liblxcfs_sources,
235 liblxcfs = shared_module(
238 dependencies: liblxcfs_common_dependencies,
240 install_dir: lxcfsdir)
244 if want_tests == true
245 liblxcfs_test = shared_module(
248 dependencies: liblxcfs_common_dependencies,
250 install_dir: lxcfsdir,
251 c_args: '-DRELOADTEST -DDEBUG')
255 lxcfs_spec = custom_target(
257 build_by_default: true,
258 input: 'lxcfs.spec.in',
259 output: 'lxcfs.spec',
269 help2man = find_program('help2man')
271 '--name="System virtualization filesystem for containers"',
272 '--no-discard-stderr',
274 '--opt-include=docs/lxcfs.man.add',
277 custom_target('lxcfs.1',
279 command: [help2man, help2man_opts, '--output=@OUTPUT@', lxcfs],
281 install_dir: join_paths(lxcmandir, 'man1'))
285 # Include sub-directories.
286 subdir('config/init')
292 '@0@ @1@'.format(meson.project_name(), meson.project_version()),
294 'FUSE version: @0@'.format(libfuse.version()),
295 'bin directory: @0@'.format(bindir),
296 'lib directory: @0@'.format(libdir),
297 'data directory: @0@'.format(datadir),
298 'local state directory: @0@'.format(localstatedir),
299 'prefix directory: @0@'.format(prefixdir),
300 'runtime directory: @0@'.format(runtimepath),
301 'sysconf directory: @0@'.format(sysconfdir),
302 'lxc conf directory: @0@'.format(lxcconfdir),
303 'lxcfs directory: @0@'.format(lxcfsdir),
304 'lxcfs shared directory: @0@'.format(lxcfssharedir),
305 'lxcfs build root directory: @0@'.format(project_build_root),
306 'lxcfs source root directory: @0@'.format(project_source_root),
307 'init system(s): @0@'.format(init_script),
308 'tests: @0@'.format(want_tests),
309 'documentation: @0@'.format(want_docs),
311 message('\n '.join(status))