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Diffstat (limited to 'third_party/nix/meson.build')
| -rw-r--r-- | third_party/nix/meson.build | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/third_party/nix/meson.build b/third_party/nix/meson.build new file mode 100644 index 000000000000..8e845c20e281 --- /dev/null +++ b/third_party/nix/meson.build @@ -0,0 +1,580 @@ +project( + 'nix', + 'cpp', + + default_options : [ + 'cpp_std=c++17', + 'warning_level=3', + 'optimization=3', + 'debug=true' + ], + version : run_command('cat', './.version').stdout().strip(), + license : 'MIT' +) + +# init compiler +cpp = meson.get_compiler('cpp') + +add_project_arguments(get_option('cxxflags'), language : 'cpp') +add_project_link_arguments(get_option('ldflags'), language: 'cpp') + +pkg = import('pkgconfig') +cmake = import('cmake') + +config_h = configuration_data() + +config_h.set( + 'HAVE_CXX17', 1, + description : 'Define if the compiler supports basic C++17 syntax') + +package_name = meson.project_name() +config_h.set_quoted( + 'PACKAGE_NAME', package_name, + description : 'Define to the full name of this package.' + ) + +package_tarname = meson.project_name() +config_h.set_quoted( + 'PACKAGE_TARNAME', package_tarname, + description : 'Define to the one symbol short name of this package.') + +package_version = meson.project_version() +config_h.set_quoted( + 'PACKAGE_VERSION', package_version, + description : 'Define to the version of this package.') + +package_string = '@0@ @1@'.format(package_name, package_version) +config_h.set_quoted( + 'PACKAGE_STRING', package_string, + description : 'Define to the full name and version of this package.') + +package_url = 'https://nixos.org/nix/' +config_h.set_quoted( + 'PACKAGE_URL', package_url, + description : 'Define to the home page for this package.') + +package_bug_url = 'https://github.com/nixos/nix/issues' +config_h.set_quoted( + 'PACKAGE_BUGREPORT', package_bug_url, + description : 'Define to the address where bug reports for this package should be sent.') + +# env + +# set install directories +#------------------------------------------------- +prefix = get_option('prefix') +libdir = join_paths(prefix, get_option('libdir')) +bindir = join_paths(prefix, get_option('bindir')) +datadir = join_paths(prefix, get_option('datadir')) +sysconfdir = join_paths(prefix, get_option('sysconfdir')) +libexecdir = join_paths(prefix, get_option('libexecdir')) +mandir = join_paths(prefix, get_option('mandir')) +includedir = join_paths(prefix, get_option('includedir')) + +# set nix directories + +# State should be stored in /nix/var, unless the user overrides it explicitly. +if get_option('normal_var') + localstatedir = '/nix/var' +else + localstatedir = join_paths(prefix, get_option('localstatedir')) +endif + +nixstoredir = get_option('nixstoredir') + +profiledir = join_paths(sysconfdir, 'profile.d') + +# Construct a Nix system name (like "i686-linux"). +#------------------------------------------------- +machine_name = host_machine.cpu() +sys_name = host_machine.system().to_lower() + +cpu_archs = ['x86_64', 'armv6', 'armv7', ''] + +foreach cpu : cpu_archs + if (host_machine.cpu().contains(cpu)) + if cpu.contains('armv') + machine_name = cpu + '1' + else + machine_name = cpu + endif + break + endif +endforeach + +system= '"' + machine_name + '-' + sys_name + '"' +message('system name: ' + system) +config_h.set( + 'SYSTEM', system, + description : 'platform identifier (`cpu-os`)') + +# checking headers +#============================================================================ + +if (cpp.has_header('sys/stat.h')) + config_h.set( + 'HAVE_SYS_STAT_H', 1, + description : 'Define to 1 if you have the <sys/stat.h> header file.') +endif + +if (cpp.has_header('sys/types.h')) + config_h.set( + 'HAVE_SYS_TYPES_H', 1, + description : 'Define to 1 if you have the <sys/types.h> header file.') +endif + +if (cpp.has_header('sys/dir.h')) + config_h.set( + 'HAVE_DIR_H', 1, + description : 'Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR`') +endif + +if (cpp.has_header('sys/ndir.h')) + config_h.set( + 'HAVE_NDIR_H', 1, + description : 'Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR`') +endif + +has_dirent_h = cpp.has_header('dirent.h') +if (has_dirent_h) + config_h.set( + 'HAVE_DIRENT_H', 1, + description : 'Define to 1 if you have the <dirent.h> header file, and it defines `DIR`') +endif + +if (cpp.has_header('locale.h')) + config_h.set( + 'HAVE_LOCALE', 1, + description : 'Define to 1 if you have the <locale.h> header file.') +endif + +if (cpp.has_header('unistd.h')) + config_h.set( + 'HAVE_UNISTD_H', 1, + description: 'Define to 1 if you have the <unistd.h> header file.') +endif + +if (cpp.has_header('stdint.h')) + config_h.set( + 'HAVE_STDINT_H', 1, + description: 'Define to 1 if you have the <stdint.h> header file.') +endif + +if (cpp.has_header('stdlib.h')) + config_h.set( + 'HAVE_STDLIB_H', 1, + description: 'Define to 1 if you have the <stdlib.h> header file.') +endif + +if (cpp.has_header('strings.h')) + config_h.set( + 'HAVE_STRINGS_H', 1, + description: 'Define to 1 if you have the <strings.h> header file.') +endif + +if (cpp.has_header('string.h')) + config_h.set( + 'HAVE_STRING_H', 1, + description: 'Define to 1 if you have the <strings.h> header file.') +endif + +if (cpp.has_header('bzlib.h')) + config_h.set( + 'HAVE_BZLIB_H', 1, + description : 'Define to 1 if you have the <bzlib.h> header file.') +endif + +if (cpp.has_header('inttypes.h')) + config_h.set( + 'HAVE_INTTYPES_H', 1, + description : 'Define to 1 if you have the <inttypes.h> header file.') +endif + +if (cpp.has_header('memory.h')) + config_h.set( + 'HAVE_MEMORY_H', 1, + description : 'Define to 1 if you have the <memory.h> header file.') +endif + +if (cpp.has_header('editline.h')) + config_h.set( + 'HAVE_EDITLINE_H', 1, + description : 'Define to 1 if you have the <editline.h> header file.') +else + error('Nix requires editline.h; however the header was not found.') +endif + + + + +# checking functions +#============================================================================ + + +if (cpp.has_function('lutimes')) + config_h.set( + 'HAVE_LUTIMES', 1, + description : 'Define to 1 if you have the `lutimes` function.') +endif + +if (cpp.has_function('lchown')) + config_h.set( + 'HAVE_LCHOWN', 1, + description : 'Define to 1 if you have the `lchown` function.') +endif + +if (cpp.has_function('pipe2')) + config_h.set( + 'HAVE_PIPE2', 1, + description : 'Define to 1 if you have the `pipe2` function.') +endif + +if (cpp.has_function('posix_fallocate')) + config_h.set( + 'HAVE_POSIX_FALLOCATE', 1, + description : 'Define to 1 if you have the `posix_fallocate` function.') +endif + +if (cpp.has_function('setresuid')) + config_h.set( + 'HAVE_SETRESUID', 1, + description : 'Define to 1 if you have the `setresuid` function.') +endif + +if (cpp.has_function('setreuid')) + config_h.set( + 'HAVE_SETREUID', 1, + description : 'Define to 1 if you have the `setreuid` function.') +endif + +if (cpp.has_function('statvfs')) + config_h.set( + 'HAVE_STATVFS', 1, + description : 'Define to 1 if you have the `statvfs` function.') +endif + +if (cpp.has_function('strsignal')) + config_h.set( + 'HAVE_STRSIGNAL', 1, + description : 'Define to 1 if you have the `strsignal` function.') +endif + +if (cpp.has_function('sysconf')) + config_h.set( + 'HAVE_SYSCONF', 1, + description : 'Define to 1 if you have the `sysconf` function.') +endif + +pubsetbuff_c = ''' + #include <iostream> + using namespace std; + static char buf[1024]; + void func() { + cerr.rdbuf()->pubsetbuf(buf, sizeof(buf)); + }''' + +if meson.get_compiler('cpp').compiles( + pubsetbuff_c, + name : 'pubsetbuf' + ) + config_h.set( + 'HAVE_PUBSETBUF', 1, + description : 'Define to 1 if you have the `pubsetbuf` function.') +endif + + + +# checking data types +#============================================================================ + + +dirent_h_prefix = ''' + #include <sys/types.h> + #include <dirent.h> +''' + +if has_dirent_h and meson.get_compiler('cpp').has_member('struct dirent', 'd_type', prefix: dirent_h_prefix) + config_h.set('HAVE_STRUCT_DIRENT_D_TYPE', 1) +endif + +# required dependancies +#============================================================================ + + +# look for required programs +#-------------------------------------------------- +cat = find_program('cat', required : true) +ln = find_program('ln', required : true) +cp = find_program('cp', required : true) +rm = find_program('rm', required : true) +bash = find_program('bash', required : true) +echo = find_program('echo', required : true) +patch = find_program('patch', required : true) +xmllint = find_program('xmllint', required : true) +flex = find_program('flex', required : true) +bison = find_program('bison', required : true) +sed = find_program('sed', required : true) +tar = find_program('tar', required : true) +bzip2 = find_program('bzip2', required : true) +gzip = find_program('gzip', required : true) +xz = find_program('xz', required : true) +dot = find_program('dot', required : false) +lsof = find_program('lsof', required : false) +tr = find_program('tr', required : true) +coreutils = run_command('dirname', cat.path()).stdout().strip() + + +# Check whether the store optimiser can optimise symlinks. +#------------------------------------------------- +gen_header = ''' +ln -s bla tmp_link +if ln tmp_link tmp_link2 2> /dev/null; then + echo 1 +else + echo 0 +fi +''' + +run_command('sh', '-c', 'rm tmp_link*') +can_link_symlink = run_command('sh', '-c', gen_header).stdout().strip() +if can_link_symlink.to_int() == 1 + run_command('sh', '-c', 'rm tmp_link*') +endif + +config_h.set('CAN_LINK_SYMLINK', can_link_symlink, +description : 'Whether link() works on symlinks') + +# Import the Abseil cmake project from the (symlinked) depot sources. +absl = cmake.subproject('abseil_cpp') + +# Bundle all relevant Abseil libraries. Meson is not able to resolve +# the internal dependencies of Abseil, and reconstructing them is more +# work than I am willing to invest at the moment. +absl_deps = [ + absl.dependency('algorithm_container'), + absl.dependency('base'), + absl.dependency('bits'), + absl.dependency('btree'), + absl.dependency('city'), + absl.dependency('config'), + absl.dependency('container_common'), + absl.dependency('container_memory'), + absl.dependency('core_headers'), + absl.dependency('debugging_internal'), + absl.dependency('demangle_internal'), + absl.dependency('dynamic_annotations'), + absl.dependency('endian'), + absl.dependency('fixed_array'), + absl.dependency('graphcycles_internal'), + absl.dependency('hash'), + absl.dependency('hash_function_defaults'), + absl.dependency('hashtablez_sampler'), + absl.dependency('int128'), + absl.dependency('malloc_internal'), + absl.dependency('memory'), + absl.dependency('meta'), + absl.dependency('node_hash_policy'), + absl.dependency('node_hash_set'), + absl.dependency('optional'), + absl.dependency('raw_hash_set'), + absl.dependency('raw_logging_internal'), + absl.dependency('spinlock_wait'), + absl.dependency('stacktrace'), + absl.dependency('strings'), + absl.dependency('symbolize'), + absl.dependency('synchronization'), + absl.dependency('throw_delegate'), + absl.dependency('time'), + absl.dependency('time_zone'), + absl.dependency('type_traits'), + absl.dependency('utility'), + absl.dependency('variant'), +] + +# Look for boost, a required dependency. +#-------------------------------------------------- +boost_dep = declare_dependency( + dependencies : [ + cpp.find_library('boost_system'), + cpp.find_library('boost_context'), + cpp.find_library('boost_thread')], + link_args : get_option('boost_link_args')) + +if (boost_dep.found()) + config_h.set('HAVE_BOOST', 1, description : 'Define if the Boost library is available.') +endif + + +# Look for liblzma, a required dependency. +#-------------------------------------------------- +liblzma_dep = declare_dependency( + dependencies: dependency('liblzma'), + link_args : get_option('lzma_link_args')) + + +# Look for libbrotli{enc,dec}. +#-------------------------------------------------- +libbrotli_dep = declare_dependency( + dependencies: [ + dependency('libbrotlienc'), + dependency('libbrotlidec')], + link_args : get_option('brotli_link_args')) + + +# Look for OpenSSL, a required dependency. +#-------------------------------------------------- +openssl_dep = declare_dependency( + dependencies: cpp.find_library('ssl'), + link_args : get_option('openssl_link_args')) + + +# Look for SQLite, a required dependency. +#-------------------------------------------------- +sqlite3_dep = declare_dependency( + dependencies : dependency('sqlite3', version : '>= 3.6.19'), + link_args : get_option('sqlite3_link_args')) + + +# Look for libcurl, a required dependency. +#-------------------------------------------------- +libcurl_dep = declare_dependency( + dependencies : dependency('libcurl'), + link_args : get_option('curl_link_args')) + + +# Look for pthread, a required dependency. +#-------------------------------------------------- +pthread_dep = declare_dependency( + dependencies : dependency('threads'), + link_args : get_option('pthread_link_args')) + + +# Look for libdl, a required dependency. +#-------------------------------------------------- +libdl_dep = declare_dependency( + dependencies : cpp.find_library('dl'), + link_args : get_option('dl_link_args')) + + +# Look for libbz2, a required dependency. +#-------------------------------------------------- +libbz2_dep = declare_dependency( + dependencies : cpp.find_library('bz2'), + link_args : get_option('bz2_link_args')) + +# Look for glog, a required dependency. +#-------------------------------------- +glog_dep = declare_dependency( + dependencies : cpp.find_library('glog'), + link_args : get_option('glog_link_args')) + +# Look for editline, a required dependency. +#-------------------------------------------------- +# NOTE: The the libeditline.pc file was added only in libeditline >= 1.15.2, see +# https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607, +# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for +# editline.h when the pkg-config approach fails. + +editline_dep = declare_dependency( + dependencies : cpp.find_library('editline'), + link_args : get_option('editline_link_args')) + +if not ( + cpp.has_function( + 'read_history', + prefix : '#include <stdio.h>\n#include "editline.h"', + args : '-lreadline')) + warning('Nix requires libeditline; However, required functions do not work. Maybe ' +\ + 'it is too old? >= 1.14 is required.') +endif + +# Look for libsodium, an optional dependency. +#-------------------------------------------------- +libsodium_lib = cpp.find_library('sodium', required: get_option('with_libsodium')) +if (libsodium_lib.found()) + libsodium_dep = declare_dependency( + dependencies : libsodium_lib, + link_args : get_option('sodium_link_args')) + config_h.set('HAVE_SODIUM', 1, description : 'Whether to use libsodium for cryptography.') +else + libsodium_dep = dependency('', required: false) +endif + + +# Look for Boehm garbage collector, a required dependency. +# TODO(tazjin): Remove option to disable GC +gc_dep = declare_dependency( + dependencies : dependency('bdw-gc'), + link_args : get_option('gc_link_args')) +config_h.set( + 'HAVE_BOEHMGC', 1, + description : 'Whether to use the Boehm garbage collector.') + +# Look for aws-cpp-sdk-s3. +#-------------------------------------------------- +if (get_option('with_s3')) + enable_s3 = meson.get_compiler('cpp').check_header('aws/s3/S3Client.h') + + aws_version = meson.get_compiler('cpp').get_define( + 'AWS_SDK_VERSION_STRING', + prefix : '#include <aws/core/VersionConfig.h>' + ).strip('"').split('.') + + conf_data.set('ENABLE_S3', 1, description : 'Whether to enable S3 support via aws-sdk-cpp.') + conf_data.set('AWS_VERSION_MAJOR', aws_version[0], description : 'Major version of aws-sdk-cpp.') + conf_data.set('AWS_VERSION_MINOR', aws_version[1], description : 'Minor version of aws-sdk-cpp.') +endif + + +# OS Specific checks +#============================================================================ +# Look for libsecppomp, required for Linux sandboxing. +if sys_name.contains('linux') + libseccomp_dep = dependency( + 'libseccomp', + version : '>= 2.3.1', + not_found_message : 'Nix requires libseccomp on a linux host system') + config_h.set( + 'HAVE_SECCOMP', 1, + description : 'Whether seccomp is available and should be used for sandboxing.') +else + libseccomp_dep = dependency('', required: false) +endif + +if (sys_name.contains('freebsd')) + add_project_arguments('-D_GNU_SOURCE', language : 'cpp') + config_h.set('_GNU_SOURCE', 1) +endif + +if (sys_name.contains('sunos')) + # Solaris requires -lsocket -lnsl for network functions +endif + + +# build +#============================================================================ + +conf = configure_file( + output : 'config.h', + configuration : config_h) + +install_headers( + conf, + install_dir : join_paths(includedir, 'nix')) + +add_project_arguments('-include', 'config.h', language : 'cpp') +src_inc = [include_directories('.', 'src')] + +project_dirs = [ + 'src', + 'scripts', + 'corepkgs', + 'misc', + 'doc', + 'tests' +] + + +foreach dir : project_dirs + subdir(dir) +endforeach |