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 ], meson_version : '>= 1.1', license : 'LGPL-2.1-or-later', ) cxx = meson.get_compiler('cpp') subdir('meson-utils/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.system()) deps_private_maybe_subproject = [ ] deps_public_maybe_subproject = [ dependency('nix-util'), ] subdir('meson-utils/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', ] 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('meson-utils/threads') boost = dependency( 'boost', modules : ['container'], ) # 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 enable_embedded_sandbox_shell = get_option('embedded-sandbox-shell') if enable_embedded_sandbox_shell # This one goes in config.h # The path to busybox is passed as a -D flag when compiling this_library. # Idk why, ask the old buildsystem. configdata.set('HAVE_EMBEDDED_SANDBOX_SHELL', 1) endif generated_headers = [] foreach header : [ 'schema.sql', 'ca-specific-schema.sql', ] generated_headers += custom_target( command : [ 'bash', '-c', '{ echo \'R"__NIX_STR(\' && cat @INPUT@ && echo \')__NIX_STR"\'; } > "$1"', '_ignored_argv0', '@OUTPUT@' ], input : header, output : '@PLAINNAME@.gen.hh', install : true, install_dir : get_option('includedir') / 'nix', ) endforeach if enable_embedded_sandbox_shell 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('meson-utils/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', '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-config.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', 'content-address.hh', 'daemon.hh', 'derivations.hh', 'derived-path-map.hh', 'derived-path.hh', 'downstream-placeholder.hh', 'filetransfer.hh', 'gc-store.hh', 'globals.hh', 'indirect-root-store.hh', 'keys.hh', 'legacy-ssh-store.hh', 'length-prefixed-protocol-helper.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', 'serve-protocol-connection.hh', 'serve-protocol-impl.hh', 'serve-protocol.hh', 'sqlite.hh', 'ssh-store-config.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, state-dir, and log-dir). path_opts = [ # Meson built-ins. 'datadir', 'bindir', 'mandir', 'libdir', 'includedir', 'libexecdir', # Homecooked Nix directories. 'store-dir', 'state-dir', 'log-dir', ] # For your grepping pleasure, this loop sets the following variables that aren't mentioned # literally above: # store_dir # state_dir # 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, state-dir, and log-dir). cpp_str_defines = { 'NIX_PREFIX': prefix, 'NIX_STORE_DIR': store_dir, 'NIX_DATA_DIR': datadir, 'NIX_STATE_DIR': state_dir / 'nix', 'NIX_LOG_DIR': log_dir, 'NIX_CONF_DIR': sysconfdir / 'nix', 'NIX_BIN_DIR': bindir, '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 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('meson-utils/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, install : true, ) install_headers(headers, subdir : 'nix', preserve_path : true) libraries_private = [] subdir('meson-utils/export')