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meson.build
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meson.build
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project('nix-store', 'cpp',
version : files('.version'),
default_options : [
'cpp_std=c++2a',
# TODO(Qyriad): increase the warning level
'warning_level=1',
'debug=true',
'optimization=2',
'errorlogs=true', # Please print logs for tests that fail
'localstatedir=/nix/var',
],
meson_version : '>= 1.1',
license : 'LGPL-2.1-or-later',
)
cxx = meson.get_compiler('cpp')
subdir('build-utils-meson/deps-lists')
configdata = configuration_data()
# TODO rename, because it will conflict with downstream projects
configdata.set_quoted('PACKAGE_VERSION', meson.project_version())
configdata.set_quoted('SYSTEM', host_machine.cpu_family() + '-' + host_machine.system())
deps_private_maybe_subproject = [
]
deps_public_maybe_subproject = [
dependency('nix-util'),
]
subdir('build-utils-meson/subprojects')
run_command('ln', '-s',
meson.project_build_root() / '__nothing_link_target',
meson.project_build_root() / '__nothing_symlink',
check : true,
)
can_link_symlink = run_command('ln',
meson.project_build_root() / '__nothing_symlink',
meson.project_build_root() / '__nothing_hardlink',
check : false,
).returncode() == 0
run_command('rm', '-f',
meson.project_build_root() / '__nothing_symlink',
meson.project_build_root() / '__nothing_hardlink',
check : true,
)
summary('can hardlink to symlink', can_link_symlink, bool_yn : true)
configdata.set('CAN_LINK_SYMLINK', can_link_symlink.to_int())
# Check for each of these functions, and create a define like `#define HAVE_LCHOWN 1`.
#
# Only need to do functions that deps (like `libnixutil`) didn't already
# check for.
check_funcs = [
# Optionally used for canonicalising files from the build
'lchown',
'statvfs',
]
foreach funcspec : check_funcs
define_name = 'HAVE_' + funcspec.underscorify().to_upper()
define_value = cxx.has_function(funcspec).to_int()
configdata.set(define_name, define_value)
endforeach
has_acl_support = cxx.has_header('sys/xattr.h') \
and cxx.has_function('llistxattr') \
and cxx.has_function('lremovexattr')
configdata.set('HAVE_ACL_SUPPORT', has_acl_support.to_int())
subdir('build-utils-meson/threads')
boost = dependency(
'boost',
modules : ['container'],
include_type: 'system',
)
# boost is a public dependency, but not a pkg-config dependency unfortunately, so we
# put in `deps_other`.
deps_other += boost
curl = dependency('libcurl', 'curl')
deps_private += curl
# seccomp only makes sense on Linux
is_linux = host_machine.system() == 'linux'
seccomp_required = get_option('seccomp-sandboxing')
if not is_linux and seccomp_required.enabled()
warning('Force-enabling seccomp on non-Linux does not make sense')
endif
seccomp = dependency('libseccomp', 'seccomp', required : seccomp_required, version : '>=2.5.5')
if is_linux and not seccomp.found()
warning('Sandbox security is reduced because libseccomp has not been found! Please provide libseccomp if it supports your CPU architecture.')
endif
configdata.set('HAVE_SECCOMP', seccomp.found().to_int())
deps_private += seccomp
nlohmann_json = dependency('nlohmann_json', version : '>= 3.9')
deps_public += nlohmann_json
sqlite = dependency('sqlite3', 'sqlite', version : '>=3.6.19')
deps_private += sqlite
# AWS C++ SDK has bad pkg-config
aws_s3 = dependency('aws-cpp-sdk-s3', required : false)
configdata.set('ENABLE_S3', aws_s3.found().to_int())
if aws_s3.found()
aws_s3 = declare_dependency(
include_directories: include_directories(aws_s3.get_variable('includedir')),
link_args: [
'-L' + aws_s3.get_variable('libdir'),
'-laws-cpp-sdk-transfer',
'-laws-cpp-sdk-s3',
'-laws-cpp-sdk-core',
'-laws-crt-cpp',
],
).as_system('system')
endif
deps_other += aws_s3
subdir('build-utils-meson/generate-header')
generated_headers = []
foreach header : [
'schema.sql',
'ca-specific-schema.sql',
]
generated_headers += gen_header.process(header)
endforeach
busybox = find_program(get_option('sandbox-shell'), required : false)
if get_option('embedded-sandbox-shell')
# This one goes in config.h
# The path to busybox is passed as a -D flag when compiling this_library.
# This solution is inherited from the old make buildsystem
# TODO: do this differently?
configdata.set('HAVE_EMBEDDED_SANDBOX_SHELL', 1)
hexdump = find_program('hexdump', native : true)
embedded_sandbox_shell_gen = custom_target(
'embedded-sandbox-shell.gen.hh',
command : [
hexdump,
'-v',
'-e',
'1/1 "0x%x," "\n"'
],
input : busybox.full_path(),
output : 'embedded-sandbox-shell.gen.hh',
capture : true,
feed : true,
)
generated_headers += embedded_sandbox_shell_gen
endif
config_h = configure_file(
configuration : configdata,
output : 'config-store.hh',
)
add_project_arguments(
# TODO(Qyriad): Yes this is how the autoconf+Make system did it.
# It would be nice for our headers to be idempotent instead.
'-include', 'config-util.hh',
'-include', 'config-store.hh',
language : 'cpp',
)
subdir('build-utils-meson/diagnostics')
sources = files(
'binary-cache-store.cc',
'build-result.cc',
'build/derivation-goal.cc',
'build/drv-output-substitution-goal.cc',
'build/entry-points.cc',
'build/goal.cc',
'build/substitution-goal.cc',
'build/worker.cc',
'builtins/buildenv.cc',
'builtins/fetchurl.cc',
'builtins/unpack-channel.cc',
'common-protocol.cc',
'common-ssh-store-config.cc',
'content-address.cc',
'daemon.cc',
'derivations.cc',
'derived-path-map.cc',
'derived-path.cc',
'downstream-placeholder.cc',
'dummy-store.cc',
'export-import.cc',
'filetransfer.cc',
'gc.cc',
'globals.cc',
'http-binary-cache-store.cc',
'indirect-root-store.cc',
'keys.cc',
'legacy-ssh-store.cc',
'local-binary-cache-store.cc',
'local-fs-store.cc',
'local-overlay-store.cc',
'local-store.cc',
'log-store.cc',
'machines.cc',
'make-content-addressed.cc',
'misc.cc',
'names.cc',
'nar-accessor.cc',
'nar-info-disk-cache.cc',
'nar-info.cc',
'optimise-store.cc',
'outputs-spec.cc',
'parsed-derivations.cc',
'path-info.cc',
'path-references.cc',
'path-with-outputs.cc',
'path.cc',
'pathlocks.cc',
'posix-fs-canonicalise.cc',
'profiles.cc',
'realisation.cc',
'remote-fs-accessor.cc',
'remote-store.cc',
's3-binary-cache-store.cc',
'serve-protocol-connection.cc',
'serve-protocol.cc',
'sqlite.cc',
'ssh-store.cc',
'ssh.cc',
'store-api.cc',
'store-reference.cc',
'uds-remote-store.cc',
'worker-protocol-connection.cc',
'worker-protocol.cc',
)
include_dirs = [
include_directories('.'),
include_directories('build'),
]
headers = [config_h] + files(
'binary-cache-store.hh',
'build-result.hh',
'build/derivation-goal.hh',
'build/drv-output-substitution-goal.hh',
'build/goal.hh',
'build/substitution-goal.hh',
'build/worker.hh',
'builtins.hh',
'builtins/buildenv.hh',
'common-protocol-impl.hh',
'common-protocol.hh',
'common-ssh-store-config.hh',
'content-address.hh',
'daemon.hh',
'derivations.hh',
'derived-path-map.hh',
'derived-path.hh',
'downstream-placeholder.hh',
'filetransfer.hh',
'gc-store.hh',
'globals.hh',
'http-binary-cache-store.hh',
'indirect-root-store.hh',
'keys.hh',
'legacy-ssh-store.hh',
'length-prefixed-protocol-helper.hh',
'local-binary-cache-store.hh',
'local-fs-store.hh',
'local-overlay-store.hh',
'local-store.hh',
'log-store.hh',
'machines.hh',
'make-content-addressed.hh',
'names.hh',
'nar-accessor.hh',
'nar-info-disk-cache.hh',
'nar-info.hh',
'outputs-spec.hh',
'parsed-derivations.hh',
'path-info.hh',
'path-references.hh',
'path-regex.hh',
'path-with-outputs.hh',
'path.hh',
'pathlocks.hh',
'posix-fs-canonicalise.hh',
'profiles.hh',
'realisation.hh',
'remote-fs-accessor.hh',
'remote-store-connection.hh',
'remote-store.hh',
's3-binary-cache-store.hh',
's3.hh',
'ssh-store.hh',
'serve-protocol-connection.hh',
'serve-protocol-impl.hh',
'serve-protocol.hh',
'sqlite.hh',
'ssh.hh',
'store-api.hh',
'store-cast.hh',
'store-dir-config.hh',
'store-reference.hh',
'uds-remote-store.hh',
'worker-protocol-connection.hh',
'worker-protocol-impl.hh',
'worker-protocol.hh',
)
if host_machine.system() == 'linux'
subdir('linux')
endif
if host_machine.system() == 'windows'
subdir('windows')
else
subdir('unix')
endif
fs = import('fs')
prefix = get_option('prefix')
# For each of these paths, assume that it is relative to the prefix unless
# it is already an absolute path (which is the default for store-dir, localstatedir, and log-dir).
path_opts = [
# Meson built-ins.
'datadir',
'mandir',
'libdir',
'includedir',
'libexecdir',
# Homecooked Nix directories.
'store-dir',
'localstatedir',
'log-dir',
]
# For your grepping pleasure, this loop sets the following variables that aren't mentioned
# literally above:
# store_dir
# localstatedir
# log_dir
# profile_dir
foreach optname : path_opts
varname = optname.replace('-', '_')
path = get_option(optname)
if fs.is_absolute(path)
set_variable(varname, path)
else
set_variable(varname, prefix / path)
endif
endforeach
# sysconfdir doesn't get anything installed to directly, and is only used to
# tell Nix where to look for nix.conf, so it doesn't get appended to prefix.
sysconfdir = get_option('sysconfdir')
if not fs.is_absolute(sysconfdir)
sysconfdir = '/' / sysconfdir
endif
lsof = find_program('lsof', required : false)
# Aside from prefix itself, each of these was made into an absolute path
# by joining it with prefix, unless it was already an absolute path
# (which is the default for store-dir, localstatedir, and log-dir).
cpp_str_defines = {
'NIX_PREFIX': prefix,
'NIX_STORE_DIR': store_dir,
'NIX_DATA_DIR': datadir,
'NIX_STATE_DIR': localstatedir / 'nix',
'NIX_LOG_DIR': log_dir,
'NIX_CONF_DIR': sysconfdir / 'nix',
'NIX_MAN_DIR': mandir,
}
if lsof.found()
lsof_path = lsof.full_path()
else
# Just look up on the PATH
lsof_path = 'lsof'
endif
cpp_str_defines += {
'LSOF': lsof_path
}
if get_option('embedded-sandbox-shell')
cpp_str_defines += {
'SANDBOX_SHELL': '__embedded_sandbox_shell__'
}
elif busybox.found()
cpp_str_defines += {
'SANDBOX_SHELL': busybox.full_path()
}
endif
cpp_args = []
foreach name, value : cpp_str_defines
cpp_args += [
'-D' + name + '=' + '"' + value + '"'
]
endforeach
subdir('build-utils-meson/export-all-symbols')
this_library = library(
'nixstore',
generated_headers,
sources,
dependencies : deps_public + deps_private + deps_other,
include_directories : include_dirs,
cpp_args : cpp_args,
link_args: linker_export_flags,
prelink : true, # For C++ static initializers
install : true,
)
install_headers(headers, subdir : 'nix', preserve_path : true)
libraries_private = []
extra_pkg_config_variables = {
'storedir' : get_option('store-dir'),
}
# Working around https://github.com/mesonbuild/meson/issues/13584
if host_machine.system() != 'macos'
extra_pkg_config_variables += {
'localstatedir' : get_option('localstatedir'),
}
endif
subdir('build-utils-meson/export')