# Copyright (c) 2022-2023, PostgreSQL Global Development Group # Entry point for building PostgreSQL with meson # # Good starting points for writing meson.build files are: # - https://mesonbuild.com/Syntax.html # - https://mesonbuild.com/Reference-manual.html project('postgresql', ['c'], version: '16devel', license: 'PostgreSQL', # We want < 0.56 for python 3.5 compatibility on old platforms. EPEL for # RHEL 7 has 0.55. < 0.54 would require replacing some uses of the fs # module, < 0.53 all uses of fs. So far there's no need to go to >=0.56. meson_version: '>=0.54', default_options: [ 'warning_level=1', #-Wall equivalent 'b_pch=false', 'buildtype=debugoptimized', # -O2 + debug # For compatibility with the autoconf build, set a default prefix. This # works even on windows, where it's a drive-relative path (i.e. when on # d:/somepath it'll install to d:/usr/local/pgsql) 'prefix=/usr/local/pgsql', ] ) ############################################################### # Basic prep ############################################################### fs = import('fs') pkgconfig = import('pkgconfig') host_system = host_machine.system() build_system = build_machine.system() host_cpu = host_machine.cpu_family() cc = meson.get_compiler('c') not_found_dep = dependency('', required: false) thread_dep = dependency('threads') auto_features = get_option('auto_features') ############################################################### # Safety first ############################################################### # It's very easy to get into confusing states when the source directory # contains an in-place build. E.g. the wrong pg_config.h will be used. So just # refuse to build in that case. # # There's a more elaborate check later, that checks for conflicts around all # generated files. But we can only do that much further down the line, so this # quick check seems worth it. Adhering to this advice should clean up the # conflict, but won't protect against somebody doing make distclean or just # removing pg_config.h errmsg_nonclean_base = ''' **** Non-clean source code directory detected. To build with meson the source tree may not have an in-place, ./configure style, build configured. You can have both meson and ./configure style builds for the same source tree by building out-of-source / VPATH with configure. Alternatively use a separate check out for meson based builds. @0@ ****''' if fs.exists(meson.current_source_dir() / 'src' / 'include' / 'pg_config.h') errmsg_cleanup = 'To clean up, run make maintainer-clean in the source tree.' error(errmsg_nonclean_base.format(errmsg_cleanup)) endif ############################################################### # Variables to be determined ############################################################### postgres_inc_d = ['src/include'] postgres_inc_d += get_option('extra_include_dirs') postgres_lib_d = get_option('extra_lib_dirs') cppflags = [] cflags = [] cxxflags = [] cflags_warn = [] cxxflags_warn = [] cflags_mod = [] cxxflags_mod = [] ldflags = [] ldflags_be = [] ldflags_sl = [] ldflags_mod = [] test_c_args = [] os_deps = [] backend_both_deps = [] backend_deps = [] libpq_deps = [] pg_sysroot = '' # source of data for pg_config.h etc cdata = configuration_data() ############################################################### # Version and other metadata ############################################################### pg_version = meson.project_version() if pg_version.endswith('devel') pg_version_arr = [pg_version.split('devel')[0], '0'] elif pg_version.contains('beta') pg_version_arr = [pg_version.split('beta')[0], '0'] elif pg_version.contains('rc') pg_version_arr = [pg_version.split('rc')[0], '0'] else pg_version_arr = pg_version.split('.') endif pg_version_major = pg_version_arr[0].to_int() pg_version_minor = pg_version_arr[1].to_int() pg_version_num = (pg_version_major * 10000) + pg_version_minor pg_url = 'https://www.postgresql.org/' cdata.set_quoted('PACKAGE_NAME', 'PostgreSQL') cdata.set_quoted('PACKAGE_BUGREPORT', 'pgsql-bugs@lists.postgresql.org') cdata.set_quoted('PACKAGE_URL', pg_url) cdata.set_quoted('PACKAGE_VERSION', pg_version) cdata.set_quoted('PACKAGE_STRING', 'PostgreSQL @0@'.format(pg_version)) cdata.set_quoted('PACKAGE_TARNAME', 'postgresql') pg_version += get_option('extra_version') cdata.set_quoted('PG_VERSION', pg_version) cdata.set_quoted('PG_MAJORVERSION', pg_version_major.to_string()) cdata.set('PG_MAJORVERSION_NUM', pg_version_major) cdata.set('PG_MINORVERSION_NUM', pg_version_minor) cdata.set('PG_VERSION_NUM', pg_version_num) # PG_VERSION_STR is built later, it depends compiler test results cdata.set_quoted('CONFIGURE_ARGS', '') ############################################################### # Basic platform specific configuration ############################################################### # meson's system names don't quite map to our "traditional" names. In some # places we need the "traditional" name, e.g., for mapping # src/include/port/$os.h to src/include/pg_config_os.h. Define portname for # that purpose. portname = host_system exesuffix = '' # overridden below where necessary dlsuffix = '.so' # overridden below where necessary library_path_var = 'LD_LIBRARY_PATH' # Format of file to control exports from libraries, and how to pass them to # the compiler. For export_fmt @0@ is the path to the file export file. export_file_format = 'gnu' export_file_suffix = 'list' export_fmt = '-Wl,--version-script=@0@' # Flags to add when linking a postgres extension, @0@ is path to # the relevant object on the platform. mod_link_args_fmt = [] memset_loop_limit = 1024 # Choice of shared memory and semaphore implementation shmem_kind = 'sysv' sema_kind = 'sysv' # We implement support for some operating systems by pretending they're # another. Map here, before determining system properties below if host_system == 'dragonfly' # apparently the most similar host_system = 'netbsd' endif if host_system == 'aix' library_path_var = 'LIBPATH' export_file_format = 'aix' export_fmt = '-Wl,-bE:@0@' mod_link_args_fmt = ['-Wl,-bI:@0@'] mod_link_with_dir = 'libdir' mod_link_with_name = '@0@.imp' # M:SRE sets a flag indicating that an object is a shared library. Seems to # work in some circumstances without, but required in others. ldflags_sl += '-Wl,-bM:SRE' ldflags_be += '-Wl,-brtllib' # Native memset() is faster, tested on: # - AIX 5.1 and 5.2, XLC 6.0 (IBM's cc) # - AIX 5.3 ML3, gcc 4.0.1 memset_loop_limit = 0 elif host_system == 'cygwin' sema_kind = 'unnamed_posix' cppflags += '-D_GNU_SOURCE' dlsuffix = '.dll' mod_link_args_fmt = ['@0@'] mod_link_with_name = 'lib@0@.exe.a' mod_link_with_dir = 'libdir' elif host_system == 'darwin' dlsuffix = '.dylib' library_path_var = 'DYLD_LIBRARY_PATH' export_file_format = 'darwin' export_fmt = '-exported_symbols_list=@0@' mod_link_args_fmt = ['-bundle_loader', '@0@'] mod_link_with_dir = 'bindir' mod_link_with_name = '@0@' sysroot_args = [files('src/tools/darwin_sysroot'), get_option('darwin_sysroot')] pg_sysroot = run_command(sysroot_args, check:true).stdout().strip() message('darwin sysroot: @0@'.format(pg_sysroot)) if pg_sysroot != '' cflags += ['-isysroot', pg_sysroot] ldflags += ['-isysroot', pg_sysroot] endif # meson defaults to -Wl,-undefined,dynamic_lookup for modules, which we # don't want because a) it's different from what we do for autoconf, b) it # causes warnings starting in macOS Ventura ldflags_mod += ['-Wl,-undefined,error'] elif host_system == 'freebsd' sema_kind = 'unnamed_posix' elif host_system == 'linux' sema_kind = 'unnamed_posix' cppflags += '-D_GNU_SOURCE' elif host_system == 'netbsd' # We must resolve all dynamic linking in the core server at program start. # Otherwise the postmaster can self-deadlock due to signals interrupting # resolution of calls, since NetBSD's linker takes a lock while doing that # and some postmaster signal handlers do things that will also acquire that # lock. As long as we need "-z now", might as well specify "-z relro" too. # While there's not a hard reason to adopt these settings for our other # executables, there's also little reason not to, so just add them to # LDFLAGS. ldflags += ['-Wl,-z,now', '-Wl,-z,relro'] elif host_system == 'openbsd' # you're ok elif host_system == 'sunos' portname = 'solaris' export_fmt = '-Wl,-M@0@' cppflags += '-D_POSIX_PTHREAD_SEMANTICS' elif host_system == 'windows' portname = 'win32' exesuffix = '.exe' dlsuffix = '.dll' library_path_var = '' export_file_format = 'win' export_file_suffix = 'def' if cc.get_id() == 'msvc' export_fmt = '/DEF:@0@' mod_link_with_name = '@0@.exe.lib' else export_fmt = '@0@' mod_link_with_name = 'lib@0@.exe.a' endif mod_link_args_fmt = ['@0@'] mod_link_with_dir = 'libdir' shmem_kind = 'win32' sema_kind = 'win32' cdata.set('WIN32_STACK_RLIMIT', 4194304) if cc.get_id() == 'msvc' ldflags += '/INCREMENTAL:NO' ldflags += '/STACK:@0@'.format(cdata.get('WIN32_STACK_RLIMIT')) # ldflags += '/nxcompat' # generated by msbuild, should have it for ninja? else ldflags += '-Wl,--stack,@0@'.format(cdata.get('WIN32_STACK_RLIMIT')) # Need to allow multiple definitions, we e.g. want to override getopt. ldflags += '-Wl,--allow-multiple-definition' # Ensure we get MSVC-like linking behavior. ldflags += '-Wl,--disable-auto-import' endif os_deps += cc.find_library('ws2_32', required: true) secur32_dep = cc.find_library('secur32', required: true) backend_deps += secur32_dep libpq_deps += secur32_dep postgres_inc_d += 'src/include/port/win32' if cc.get_id() == 'msvc' postgres_inc_d += 'src/include/port/win32_msvc' endif windows = import('windows') else # XXX: Should we add an option to override the host_system as an escape # hatch? error('unknown host system: @0@'.format(host_system)) endif ############################################################### # Program paths ############################################################### # External programs perl = find_program(get_option('PERL'), required: true, native: true) python = find_program(get_option('PYTHON'), required: true, native: true) flex = find_program(get_option('FLEX'), native: true, version: '>= 2.5.35') bison = find_program(get_option('BISON'), native: true, version: '>= 2.3') sed = find_program(get_option('SED'), 'sed', native: true) prove = find_program(get_option('PROVE'), native: true, required: false) tar = find_program(get_option('TAR'), native: true) gzip = find_program(get_option('GZIP'), native: true) program_lz4 = find_program(get_option('LZ4'), native: true, required: false) openssl = find_program(get_option('OPENSSL'), native: true, required: false) program_zstd = find_program(get_option('ZSTD'), native: true, required: false) dtrace = find_program(get_option('DTRACE'), native: true, required: get_option('dtrace')) missing = find_program('config/missing', native: true) cp = find_program('cp', required: false, native: true) xmllint_bin = find_program(get_option('XMLLINT'), native: true, required: false) xsltproc_bin = find_program(get_option('XSLTPROC'), native: true, required: false) bison_flags = [] if bison.found() bison_version_c = run_command(bison, '--version', check: true) # bison version string helpfully is something like # >>bison (GNU bison) 3.8.1<< bison_version = bison_version_c.stdout().split(' ')[3].split('\n')[0] if bison_version.version_compare('>=3.0') bison_flags += ['-Wno-deprecated'] endif endif bison_cmd = [bison, bison_flags, '-o', '@OUTPUT0@', '-d', '@INPUT@'] bison_kw = { 'output': ['@BASENAME@.c', '@BASENAME@.h'], 'command': bison_cmd, } flex_flags = [] flex_wrapper = files('src/tools/pgflex') flex_cmd = [python, flex_wrapper, '--builddir', '@BUILD_ROOT@', '--srcdir', '@SOURCE_ROOT@', '--privatedir', '@PRIVATE_DIR@', '--flex', flex, '--perl', perl, '-i', '@INPUT@', '-o', '@OUTPUT0@', ] wget = find_program('wget', required: false, native: true) wget_flags = ['-O', '@OUTPUT0@', '--no-use-server-timestamps'] install_files = files('src/tools/install_files') ############################################################### # Path to meson (for tests etc) ############################################################### # NB: this should really be part of meson, see # https://github.com/mesonbuild/meson/issues/8511 meson_binpath_r = run_command(python, 'src/tools/find_meson', check: true) if meson_binpath_r.returncode() != 0 or meson_binpath_r.stdout() == '' error('huh, could not run find_meson.\nerrcode: @0@\nstdout: @1@\nstderr: @2@'.format( meson_binpath_r.returncode(), meson_binpath_r.stdout(), meson_binpath_r.stderr())) endif meson_binpath_s = meson_binpath_r.stdout().split('\n') meson_binpath_len = meson_binpath_s.length() if meson_binpath_len < 1 error('unexpected introspect line @0@'.format(meson_binpath_r.stdout())) endif i = 0 meson_impl = '' meson_binpath = '' meson_args = [] foreach e : meson_binpath_s if i == 0 meson_impl = e elif i == 1 meson_binpath = e else meson_args += e endif i += 1 endforeach if meson_impl not in ['muon', 'meson'] error('unknown meson implementation "@0@"'.format(meson_impl)) endif meson_bin = find_program(meson_binpath, native: true) ############################################################### # Option Handling ############################################################### cdata.set('USE_ASSERT_CHECKING', get_option('cassert') ? 1 : false) blocksize = get_option('blocksize').to_int() * 1024 if get_option('segsize_blocks') != 0 if get_option('segsize') != 1 warning('both segsize and segsize_blocks specified, segsize_blocks wins') endif segsize = get_option('segsize_blocks') else segsize = (get_option('segsize') * 1024 * 1024 * 1024) / blocksize endif cdata.set('BLCKSZ', blocksize, description: '''Size of a disk block --- this also limits the size of a tuple. You can set it bigger if you need bigger tuples (although TOAST should reduce the need to have large tuples, since fields can be spread across multiple tuples). BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ is currently 2^15 (32768). This is determined by the 15-bit widths of the lp_off and lp_len fields in ItemIdData (see include/storage/itemid.h). Changing BLCKSZ requires an initdb.''') cdata.set('XLOG_BLCKSZ', get_option('wal_blocksize').to_int() * 1024) cdata.set('RELSEG_SIZE', segsize) cdata.set('DEF_PGPORT', get_option('pgport')) cdata.set_quoted('DEF_PGPORT_STR', get_option('pgport').to_string()) cdata.set_quoted('PG_KRB_SRVNAM', get_option('krb_srvnam')) if get_option('system_tzdata') != '' cdata.set_quoted('SYSTEMTZDIR', get_option('system_tzdata')) endif ############################################################### # Directories ############################################################### # These are set by the equivalent --xxxdir configure options. We # append "postgresql" to some of them, if the string does not already # contain "pgsql" or "postgres", in order to avoid directory clutter. pkg = 'postgresql' dir_prefix = get_option('prefix') dir_prefix_contains_pg = (dir_prefix.contains('pgsql') or dir_prefix.contains('postgres')) dir_bin = get_option('bindir') dir_data = get_option('datadir') if not (dir_prefix_contains_pg or dir_data.contains('pgsql') or dir_data.contains('postgres')) dir_data = dir_data / pkg endif dir_sysconf = get_option('sysconfdir') if not (dir_prefix_contains_pg or dir_sysconf.contains('pgsql') or dir_sysconf.contains('postgres')) dir_sysconf = dir_sysconf / pkg endif dir_lib = get_option('libdir') dir_lib_pkg = dir_lib if not (dir_prefix_contains_pg or dir_lib_pkg.contains('pgsql') or dir_lib_pkg.contains('postgres')) dir_lib_pkg = dir_lib_pkg / pkg endif dir_pgxs = dir_lib_pkg / 'pgxs' dir_include = get_option('includedir') dir_include_pkg = dir_include dir_include_pkg_rel = '' if not (dir_prefix_contains_pg or dir_include_pkg.contains('pgsql') or dir_include_pkg.contains('postgres')) dir_include_pkg = dir_include_pkg / pkg dir_include_pkg_rel = pkg endif dir_man = get_option('mandir') # FIXME: These used to be separately configurable - worth adding? dir_doc = get_option('datadir') / 'doc' / 'postgresql' dir_doc_html = dir_doc / 'html' dir_locale = get_option('localedir') # Derived values dir_bitcode = dir_lib_pkg / 'bitcode' dir_include_internal = dir_include_pkg / 'internal' dir_include_server = dir_include_pkg / 'server' dir_include_extension = dir_include_server / 'extension' dir_data_extension = dir_data / 'extension' ############################################################### # Search paths, preparation for compiler tests # # NB: Arguments added later are not automatically used for subsequent # configuration-time checks (so they are more isolated). If they should be # used, they need to be added to test_c_args as well. ############################################################### postgres_inc = [include_directories(postgres_inc_d)] test_lib_d = postgres_lib_d test_c_args = cppflags + cflags ############################################################### # Library: bsd-auth ############################################################### bsd_authopt = get_option('bsd_auth') bsd_auth = not_found_dep if cc.check_header('bsd_auth.h', required: bsd_authopt, args: test_c_args, include_directories: postgres_inc) cdata.set('USE_BSD_AUTH', 1) bsd_auth = declare_dependency() endif ############################################################### # Library: bonjour # # For now don't search for DNSServiceRegister in a library - only Apple's # Bonjour implementation, which is always linked, works. ############################################################### bonjouropt = get_option('bonjour') bonjour = dependency('', required : false) if cc.check_header('dns_sd.h', required: bonjouropt, args: test_c_args, include_directories: postgres_inc) and \ cc.has_function('DNSServiceRegister', args: test_c_args, include_directories: postgres_inc) cdata.set('USE_BONJOUR', 1) bonjour = declare_dependency() endif ############################################################### # Option: docs in HTML and man page format ############################################################### docs_opt = get_option('docs') docs_dep = not_found_dep if not docs_opt.disabled() if xmllint_bin.found() and xsltproc_bin.found() docs_dep = declare_dependency() elif docs_opt.enabled() error('missing required tools for docs in HTML / man page format') endif endif ############################################################### # Option: docs in PDF format ############################################################### docs_pdf_opt = get_option('docs_pdf') docs_pdf_dep = not_found_dep if not docs_pdf_opt.disabled() fop = find_program(get_option('FOP'), native: true, required: docs_pdf_opt) if xmllint_bin.found() and xsltproc_bin.found() and fop.found() docs_pdf_dep = declare_dependency() elif docs_pdf_opt.enabled() error('missing required tools for docs in PDF format') endif endif ############################################################### # Library: GSSAPI ############################################################### gssapiopt = get_option('gssapi') krb_srvtab = '' have_gssapi = false if not gssapiopt.disabled() gssapi = dependency('krb5-gssapi', required: gssapiopt) have_gssapi = gssapi.found() if not have_gssapi elif cc.check_header('gssapi/gssapi.h', dependencies: gssapi, required: false, args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_GSSAPI_GSSAPI_H', 1) elif cc.check_header('gssapi.h', args: test_c_args, dependencies: gssapi, required: gssapiopt) cdata.set('HAVE_GSSAPI_H', 1) else have_gssapi = false endif if not have_gssapi elif cc.check_header('gssapi/gssapi_ext.h', dependencies: gssapi, required: false, args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_GSSAPI_GSSAPI_EXT_H', 1) elif cc.check_header('gssapi_ext.h', args: test_c_args, dependencies: gssapi, required: gssapiopt) cdata.set('HAVE_GSSAPI_EXT_H', 1) else have_gssapi = false endif if not have_gssapi elif cc.has_function('gss_store_cred_into', dependencies: gssapi, args: test_c_args, include_directories: postgres_inc) cdata.set('ENABLE_GSS', 1) krb_srvtab = 'FILE:/@0@/krb5.keytab)'.format(get_option('sysconfdir')) cdata.set_quoted('PG_KRB_SRVTAB', krb_srvtab) elif gssapiopt.enabled() error('''could not find function 'gss_store_cred_into' required for GSSAPI''') else have_gssapi = false endif endif if not have_gssapi gssapi = not_found_dep endif ############################################################### # Library: ldap ############################################################### ldapopt = get_option('ldap') if ldapopt.disabled() ldap = not_found_dep ldap_r = not_found_dep elif host_system == 'windows' ldap = cc.find_library('wldap32', required: ldapopt) ldap_r = ldap else # macos framework dependency is buggy for ldap (one can argue whether it's # Apple's or meson's fault), leading to an endless recursion with ldap.h # including itself. See https://github.com/mesonbuild/meson/issues/10002 # Luckily we only need pkg-config support, so the workaround isn't # complicated. ldap = dependency('ldap', method: 'pkg-config', required: false) ldap_r = ldap # Before 2.5 openldap didn't have a pkg-config file, and it might not be # installed if not ldap.found() ldap = cc.find_library('ldap', required: ldapopt, dirs: test_lib_d, has_headers: 'ldap.h', header_include_directories: postgres_inc) # The separate ldap_r library only exists in OpenLDAP < 2.5, and if we # have 2.5 or later, we shouldn't even probe for ldap_r (we might find a # library from a separate OpenLDAP installation). The most reliable # way to check that is to check for a function introduced in 2.5. if not ldap.found() # don't have ldap, we shouldn't check for ldap_r elif cc.has_function('ldap_verify_credentials', dependencies: ldap, args: test_c_args) ldap_r = ldap # ldap >= 2.5, no need for ldap_r else # Use ldap_r for FE if available, else assume ldap is thread-safe. ldap_r = cc.find_library('ldap_r', required: false, dirs: test_lib_d, has_headers: 'ldap.h', header_include_directories: postgres_inc) if not ldap_r.found() ldap_r = ldap else # On some platforms ldap_r fails to link without PTHREAD_LIBS. ldap_r = declare_dependency(dependencies: [ldap_r, thread_dep]) endif # PostgreSQL sometimes loads libldap_r and plain libldap into the same # process. Check for OpenLDAP versions known not to tolerate doing so; # assume non-OpenLDAP implementations are safe. The dblink test suite # exercises the hazardous interaction directly. compat_test_code = ''' #include #if !defined(LDAP_VENDOR_VERSION) || \ (defined(LDAP_API_FEATURE_X_OPENLDAP) && \ LDAP_VENDOR_VERSION >= 20424 && LDAP_VENDOR_VERSION <= 20431) choke me #endif ''' if not cc.compiles(compat_test_code, name: 'LDAP implementation compatible', dependencies: ldap, args: test_c_args) warning(''' *** With OpenLDAP versions 2.4.24 through 2.4.31, inclusive, each backend *** process that loads libpq (via WAL receiver, dblink, or postgres_fdw) and *** also uses LDAP will crash on exit.''') endif endif endif # XXX: this shouldn't be tested in the windows case, but should be tested in # the dependency() success case if ldap.found() and cc.has_function('ldap_initialize', dependencies: ldap, args: test_c_args) cdata.set('HAVE_LDAP_INITIALIZE', 1) endif endif if ldap.found() assert(ldap_r.found()) cdata.set('USE_LDAP', 1) else assert(not ldap_r.found()) endif ############################################################### # Library: LLVM ############################################################### llvmopt = get_option('llvm') if not llvmopt.disabled() add_languages('cpp', required: true, native: false) llvm = dependency('llvm', version: '>=3.9', method: 'config-tool', required: llvmopt) if llvm.found() cdata.set('USE_LLVM', 1) cpp = meson.get_compiler('cpp') llvm_binpath = llvm.get_variable(configtool: 'bindir') ccache = find_program('ccache', native: true, required: false) clang = find_program(llvm_binpath / 'clang', required: true) endif else llvm = not_found_dep endif ############################################################### # Library: icu ############################################################### icuopt = get_option('icu') if not icuopt.disabled() icu = dependency('icu-uc', required: icuopt.enabled()) icu_i18n = dependency('icu-i18n', required: icuopt.enabled()) if icu.found() cdata.set('USE_ICU', 1) endif else icu = not_found_dep icu_i18n = not_found_dep endif ############################################################### # Library: libxml ############################################################### libxmlopt = get_option('libxml') if not libxmlopt.disabled() libxml = dependency('libxml-2.0', required: libxmlopt, version: '>= 2.6.23') if libxml.found() cdata.set('USE_LIBXML', 1) endif else libxml = not_found_dep endif ############################################################### # Library: libxslt ############################################################### libxsltopt = get_option('libxslt') if not libxsltopt.disabled() libxslt = dependency('libxslt', required: libxsltopt) if libxslt.found() cdata.set('USE_LIBXSLT', 1) endif else libxslt = not_found_dep endif ############################################################### # Library: lz4 ############################################################### lz4opt = get_option('lz4') if not lz4opt.disabled() lz4 = dependency('liblz4', required: lz4opt) if lz4.found() cdata.set('USE_LZ4', 1) cdata.set('HAVE_LIBLZ4', 1) endif else lz4 = not_found_dep endif ############################################################### # Library: Tcl (for pltcl) # # NB: tclConfig.sh is used in autoconf build for getting # TCL_SHARED_BUILD, TCL_INCLUDE_SPEC, TCL_LIBS and TCL_LIB_SPEC # variables. For now we have not seen a need to copy # that behaviour to the meson build. ############################################################### tclopt = get_option('pltcl') tcl_version = get_option('tcl_version') tcl_dep = not_found_dep if not tclopt.disabled() # via pkg-config tcl_dep = dependency(tcl_version, required: false) if not tcl_dep.found() tcl_dep = cc.find_library(tcl_version, required: tclopt, dirs: test_lib_d) endif if not cc.has_header('tcl.h', dependencies: tcl_dep, required: tclopt) tcl_dep = not_found_dep endif endif ############################################################### # Library: pam ############################################################### pamopt = get_option('pam') if not pamopt.disabled() pam = dependency('pam', required: false) if not pam.found() pam = cc.find_library('pam', required: pamopt, dirs: test_lib_d) endif if pam.found() pam_header_found = false # header file or is required for PAM. if cc.check_header('security/pam_appl.h', dependencies: pam, required: false, args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_SECURITY_PAM_APPL_H', 1) pam_header_found = true elif cc.check_header('pam/pam_appl.h', dependencies: pam, required: pamopt, args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_PAM_PAM_APPL_H', 1) pam_header_found = true endif if pam_header_found cdata.set('USE_PAM', 1) else pam = not_found_dep endif endif else pam = not_found_dep endif ############################################################### # Library: Perl (for plperl) ############################################################### perlopt = get_option('plperl') perl_dep = not_found_dep if not perlopt.disabled() perl_may_work = true # First verify that perl has the necessary dependencies installed perl_mods = run_command( [perl, '-MConfig', '-MOpcode', '-MExtUtils::Embed', '-MExtUtils::ParseXS', '-e', ''], check: false) if perl_mods.returncode() != 0 perl_may_work = false perl_msg = 'perl installation does not have the required modules' endif # Then inquire perl about its configuration if perl_may_work perl_conf_cmd = [perl, '-MConfig', '-e', 'print $Config{$ARGV[0]}'] perlversion = run_command(perl_conf_cmd, 'api_versionstring', check: true).stdout() archlibexp = run_command(perl_conf_cmd, 'archlibexp', check: true).stdout() privlibexp = run_command(perl_conf_cmd, 'privlibexp', check: true).stdout() useshrplib = run_command(perl_conf_cmd, 'useshrplib', check: true).stdout() perl_inc_dir = '@0@/CORE'.format(archlibexp) if perlversion.version_compare('< 5.14') perl_may_work = false perl_msg = 'Perl version 5.14 or later is required, but this is @0@'.format(perlversion) elif useshrplib != 'true' perl_may_work = false perl_msg = 'need a shared perl' endif endif if perl_may_work # On most platforms, archlibexp is also where the Perl include files live ... perl_ccflags = ['-I@0@'.format(perl_inc_dir)] # ... but on newer macOS versions, we must use -iwithsysroot to look # under sysroot if not fs.is_file('@0@/perl.h'.format(perl_inc_dir)) and \ fs.is_file('@0@@1@/perl.h'.format(pg_sysroot, perl_inc_dir)) perl_ccflags = ['-iwithsysroot', perl_inc_dir] endif # check compiler finds header if not cc.has_header('perl.h', required: false, args: test_c_args + perl_ccflags, include_directories: postgres_inc) perl_may_work = false perl_msg = 'missing perl.h' endif endif if perl_may_work perl_ccflags_r = run_command(perl_conf_cmd, 'ccflags', check: true).stdout() # See comments for PGAC_CHECK_PERL_EMBED_CCFLAGS in perl.m4 foreach flag : perl_ccflags_r.split(' ') if flag.startswith('-D') and \ (not flag.startswith('-D_') or flag == '_USE_32BIT_TIME_T') perl_ccflags += flag endif endforeach if host_system == 'windows' perl_ccflags += ['-DPLPERL_HAVE_UID_GID'] if cc.get_id() == 'msvc' # prevent binary mismatch between MSVC built plperl and Strawberry or # msys ucrt perl libraries perl_ccflags += ['-DNO_THREAD_SAFE_LOCALE'] endif endif message('CCFLAGS recommended by perl: @0@'.format(perl_ccflags_r)) message('CCFLAGS for embedding perl: @0@'.format(' '.join(perl_ccflags))) # We are after Embed's ldopts, but without the subset mentioned in # Config's ccdlflags and ldflags. (Those are the choices of those who # built the Perl installation, which are not necessarily appropriate # for building PostgreSQL.) ldopts = run_command(perl, '-MExtUtils::Embed', '-e', 'ldopts', check: true).stdout().strip() undesired = run_command(perl_conf_cmd, 'ccdlflags', check: true).stdout().split() undesired += run_command(perl_conf_cmd, 'ldflags', check: true).stdout().split() perl_ldopts = [] foreach ldopt : ldopts.split(' ') if ldopt == '' or ldopt in undesired continue endif perl_ldopts += ldopt.strip('"') endforeach message('LDFLAGS recommended by perl: "@0@"'.format(ldopts)) message('LDFLAGS for embedding perl: "@0@"'.format(' '.join(perl_ldopts))) perl_dep_int = declare_dependency( compile_args: perl_ccflags, link_args: perl_ldopts, version: perlversion, ) # While we're at it, check that we can link to libperl. # On most platforms, if perl.h is there then libperl.so will be too, but # at this writing Debian packages them separately. perl_link_test = ''' /* see plperl.h */ #ifdef _MSC_VER #define __inline__ inline #endif #include #include int main(void) { perl_alloc(); }''' if not cc.links(perl_link_test, name: 'libperl', args: test_c_args + perl_ccflags + perl_ldopts, include_directories: postgres_inc) perl_may_work = false perl_msg = 'missing libperl' endif endif # perl_may_work if perl_may_work perl_dep = perl_dep_int else if perlopt.enabled() error('dependency plperl failed: @0@'.format(perl_msg)) else message('disabling optional dependency plperl: @0@'.format(perl_msg)) endif endif endif ############################################################### # Library: Python (for plpython) ############################################################### pyopt = get_option('plpython') if not pyopt.disabled() pm = import('python') python3_inst = pm.find_installation(required: pyopt.enabled()) python3_dep = python3_inst.dependency(embed: true, required: pyopt.enabled()) if not cc.check_header('Python.h', dependencies: python3_dep, required: pyopt.enabled()) python3_dep = not_found_dep endif else python3_dep = not_found_dep endif ############################################################### # Library: Readline ############################################################### if not get_option('readline').disabled() libedit_preferred = get_option('libedit_preferred') # Set the order of readline dependencies check_readline_deps = libedit_preferred ? \ ['libedit', 'readline'] : ['readline', 'libedit'] foreach readline_dep : check_readline_deps readline = dependency(readline_dep, required: false) if not readline.found() readline = cc.find_library(readline_dep, required: get_option('readline').enabled(), dirs: test_lib_d) endif if readline.found() break endif endforeach if readline.found() cdata.set('HAVE_LIBREADLINE', 1) editline_prefix = { 'header_prefix': 'editline/', 'flag_prefix': 'EDITLINE_', } readline_prefix = { 'header_prefix': 'readline/', 'flag_prefix': 'READLINE_', } default_prefix = { 'header_prefix': '', 'flag_prefix': '', } # Set the order of prefixes prefixes = libedit_preferred ? \ [editline_prefix, default_prefix, readline_prefix] : \ [readline_prefix, default_prefix, editline_prefix] at_least_one_header_found = false foreach header : ['history', 'readline'] is_found = false foreach prefix : prefixes header_file = '@0@@1@.h'.format(prefix['header_prefix'], header) # Check history.h and readline.h if not is_found and cc.has_header(header_file, args: test_c_args, include_directories: postgres_inc, dependencies: [readline], required: false) if header == 'readline' readline_h = header_file endif cdata.set('HAVE_@0@@1@_H'.format(prefix['flag_prefix'], header).to_upper(), 1) is_found = true at_least_one_header_found = true endif endforeach endforeach if not at_least_one_header_found error('''readline header not found If you have @0@ already installed, see meson-log/meson-log.txt for details on the failure. It is possible the compiler isn't looking in the proper directory. Use -Dreadline=false to disable readline support.'''.format(readline_dep)) endif check_funcs = [ 'append_history', 'history_truncate_file', 'rl_completion_matches', 'rl_filename_completion_function', 'rl_reset_screen_size', 'rl_variable_bind', ] foreach func : check_funcs found = cc.has_function(func, dependencies: [readline], args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_'+func.to_upper(), found ? 1 : false) endforeach check_vars = [ 'rl_completion_suppress_quote', 'rl_filename_quote_characters', 'rl_filename_quoting_function', ] foreach var : check_vars cdata.set('HAVE_'+var.to_upper(), cc.has_header_symbol(readline_h, var, args: test_c_args, include_directories: postgres_inc, prefix: '#include ', dependencies: [readline]) ? 1 : false) endforeach # If found via cc.find_library() ensure headers are found when using the # dependency. On meson < 0.57 one cannot do compiler checks using the # dependency returned by declare_dependency(), so we can't do this above. if readline.type_name() == 'library' readline = declare_dependency(dependencies: readline, include_directories: postgres_inc) endif # On windows with mingw readline requires auto-import to successfully # link, as the headers don't use declspec(dllimport) if host_system == 'windows' and cc.get_id() != 'msvc' readline = declare_dependency(dependencies: readline, link_args: '-Wl,--enable-auto-import') endif endif # XXX: Figure out whether to implement mingw warning equivalent else readline = not_found_dep endif ############################################################### # Library: selinux ############################################################### selinux = not_found_dep selinuxopt = get_option('selinux') if meson.version().version_compare('>=0.59') selinuxopt = selinuxopt.disable_auto_if(host_system != 'linux') endif selinux = dependency('libselinux', required: selinuxopt, version: '>= 2.1.10') cdata.set('HAVE_LIBSELINUX', selinux.found() ? 1 : false) ############################################################### # Library: systemd ############################################################### systemd = not_found_dep systemdopt = get_option('systemd') if meson.version().version_compare('>=0.59') systemdopt = systemdopt.disable_auto_if(host_system != 'linux') endif systemd = dependency('libsystemd', required: systemdopt) cdata.set('USE_SYSTEMD', systemd.found() ? 1 : false) ############################################################### # Library: SSL ############################################################### ssl = not_found_dep ssl_library = 'none' sslopt = get_option('ssl') if sslopt == 'auto' and auto_features.disabled() sslopt = 'none' endif if sslopt in ['auto', 'openssl'] openssl_required = (sslopt == 'openssl') # Try to find openssl via pkg-config et al, if that doesn't work # (e.g. because it's provided as part of the OS, like on FreeBSD), look for # the library names that we know about. # via pkg-config et al ssl = dependency('openssl', required: false) # only meson >= 0.57 supports declare_dependency() in cc.has_function(), so # we pass cc.find_library() results if necessary ssl_int = [] # via library + headers if not ssl.found() ssl_lib = cc.find_library('ssl', dirs: test_lib_d, header_include_directories: postgres_inc, has_headers: ['openssl/ssl.h', 'openssl/err.h'], required: openssl_required) crypto_lib = cc.find_library('crypto', dirs: test_lib_d, required: openssl_required) if ssl_lib.found() and crypto_lib.found() ssl_int = [ssl_lib, crypto_lib] ssl = declare_dependency(dependencies: ssl_int, include_directories: postgres_inc) endif elif cc.has_header('openssl/ssl.h', args: test_c_args, dependencies: ssl, required: openssl_required) and \ cc.has_header('openssl/err.h', args: test_c_args, dependencies: ssl, required: openssl_required) ssl_int = [ssl] else ssl = not_found_dep endif if ssl.found() check_funcs = [ ['CRYPTO_new_ex_data', {'required': true}], ['SSL_new', {'required': true}], # Functions introduced in OpenSSL 1.0.2. ['X509_get_signature_nid'], ['SSL_CTX_set_cert_cb'], # not in LibreSSL # Functions introduced in OpenSSL 1.1.0. We used to check for # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it # doesn't have these OpenSSL 1.1.0 functions. So check for individual # functions. ['OPENSSL_init_ssl'], ['BIO_get_data'], ['BIO_meth_new'], ['ASN1_STRING_get0_data'], ['HMAC_CTX_new'], ['HMAC_CTX_free'], # OpenSSL versions before 1.1.0 required setting callback functions, for # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock() # function was removed. ['CRYPTO_lock'], # Function introduced in OpenSSL 1.1.1 ['X509_get_signature_info'], ] are_openssl_funcs_complete = true foreach c : check_funcs func = c.get(0) val = cc.has_function(func, args: test_c_args, dependencies: ssl_int) required = c.get(1, {}).get('required', false) if required and not val are_openssl_funcs_complete = false if openssl_required error('openssl function @0@ is required'.format(func)) endif break elif not required cdata.set('HAVE_' + func.to_upper(), val ? 1 : false) endif endforeach if are_openssl_funcs_complete cdata.set('USE_OPENSSL', 1, description: 'Define to 1 to build with OpenSSL support. (-Dssl=openssl)') cdata.set('OPENSSL_API_COMPAT', '0x10001000L', description: '''Define to the OpenSSL API version in use. This avoids deprecation warnings from newer OpenSSL versions.''') ssl_library = 'openssl' else ssl = not_found_dep endif endif endif if sslopt == 'auto' and auto_features.enabled() and not ssl.found() error('no SSL library found') endif ############################################################### # Library: uuid ############################################################### uuidopt = get_option('uuid') if uuidopt != 'none' uuidname = uuidopt.to_upper() if uuidopt == 'e2fs' uuid = dependency('uuid', required: true) uuidfunc = 'uuid_generate' uuidheader = 'uuid/uuid.h' elif uuidopt == 'bsd' # libc should have uuid function uuid = declare_dependency() uuidfunc = 'uuid_to_string' uuidheader = 'uuid.h' elif uuidopt == 'ossp' uuid = dependency('ossp-uuid', required: true) uuidfunc = 'uuid_export' uuidheader = 'uuid.h' else error('huh') endif if not cc.has_header_symbol(uuidheader, uuidfunc, args: test_c_args, dependencies: uuid) error('uuid library @0@ missing required function @1@'.format(uuidopt, uuidfunc)) endif cdata.set('HAVE_@0@'.format(uuidheader.underscorify().to_upper()), 1) cdata.set('HAVE_UUID_@0@'.format(uuidname), 1, description: 'Define to 1 if you have @0@ UUID support.'.format(uuidname)) else uuid = not_found_dep endif ############################################################### # Library: zlib ############################################################### zlibopt = get_option('zlib') zlib = not_found_dep if not zlibopt.disabled() zlib_t = dependency('zlib', required: zlibopt) if zlib_t.type_name() == 'internal' # if fallback was used, we don't need to test if headers are present (they # aren't built yet, so we can't test) zlib = zlib_t elif not zlib_t.found() warning('did not find zlib') elif not cc.has_header('zlib.h', args: test_c_args, include_directories: postgres_inc, dependencies: [zlib_t], required: zlibopt.enabled()) warning('zlib header not found') elif not cc.has_type('z_streamp', dependencies: [zlib_t], prefix: '#include ', args: test_c_args, include_directories: postgres_inc) if zlibopt.enabled() error('zlib version is too old') else warning('zlib version is too old') endif else zlib = zlib_t endif if zlib.found() cdata.set('HAVE_LIBZ', 1) endif endif ############################################################### # Library: tap test dependencies ############################################################### # Check whether tap tests are enabled or not tap_tests_enabled = false tapopt = get_option('tap_tests') if not tapopt.disabled() # Checking for perl modules for tap tests perl_ipc_run_check = run_command(perl, 'config/check_modules.pl', check: false) if perl_ipc_run_check.returncode() != 0 message(perl_ipc_run_check.stderr().strip()) if tapopt.enabled() error('Additional Perl modules are required to run TAP tests.') else warning('Additional Perl modules are required to run TAP tests.') endif else tap_tests_enabled = true endif endif ############################################################### # Library: zstd ############################################################### zstdopt = get_option('zstd') if not zstdopt.disabled() zstd = dependency('libzstd', required: zstdopt, version: '>=1.4.0') if zstd.found() cdata.set('USE_ZSTD', 1) cdata.set('HAVE_LIBZSTD', 1) endif else zstd = not_found_dep endif ############################################################### # Compiler tests ############################################################### # Do we need -std=c99 to compile C99 code? We don't want to add -std=c99 # unnecessarily, because we optionally rely on newer features. c99_test = ''' #include #include #include #include struct named_init_test { int a; int b; }; extern void structfunc(struct named_init_test); int main(int argc, char **argv) { struct named_init_test nit = { .a = 3, .b = 5, }; for (int loop_var = 0; loop_var < 3; loop_var++) { nit.a += nit.b; } structfunc((struct named_init_test){1, 0}); return nit.a != 0; } ''' if not cc.compiles(c99_test, name: 'c99', args: test_c_args) if cc.compiles(c99_test, name: 'c99 with -std=c99', args: test_c_args + ['-std=c99']) test_c_args += '-std=c99' cflags += '-std=c99' else error('C compiler does not support C99') endif endif sizeof_long = cc.sizeof('long', args: test_c_args) cdata.set('SIZEOF_LONG', sizeof_long) if sizeof_long == 8 cdata.set('HAVE_LONG_INT_64', 1) cdata.set('PG_INT64_TYPE', 'long int') cdata.set_quoted('INT64_MODIFIER', 'l') elif sizeof_long == 4 and cc.sizeof('long long', args: test_c_args) == 8 cdata.set('HAVE_LONG_LONG_INT_64', 1) cdata.set('PG_INT64_TYPE', 'long long int') cdata.set_quoted('INT64_MODIFIER', 'll') else error('do not know how to get a 64bit int') endif if host_machine.endian() == 'big' cdata.set('WORDS_BIGENDIAN', 1) endif alignof_types = ['short', 'int', 'long', 'double'] maxalign = 0 foreach t : alignof_types align = cc.alignment(t, args: test_c_args) if maxalign < align maxalign = align endif cdata.set('ALIGNOF_@0@'.format(t.to_upper()), align) endforeach cdata.set('MAXIMUM_ALIGNOF', maxalign) cdata.set('SIZEOF_VOID_P', cc.sizeof('void *', args: test_c_args)) cdata.set('SIZEOF_SIZE_T', cc.sizeof('size_t', args: test_c_args)) # Check if __int128 is a working 128 bit integer type, and if so # define PG_INT128_TYPE to that typename. # # This currently only detects a GCC/clang extension, but support for other # environments may be added in the future. # # For the moment we only test for support for 128bit math; support for # 128bit literals and snprintf is not required. if cc.links(''' /* * We don't actually run this test, just link it to verify that any support * functions needed for __int128 are present. * * These are globals to discourage the compiler from folding all the * arithmetic tests down to compile-time constants. We do not have * convenient support for 128bit literals at this point... */ __int128 a = 48828125; __int128 b = 97656250; int main(void) { __int128 c,d; a = (a << 12) + 1; /* 200000000001 */ b = (b << 12) + 5; /* 400000000005 */ /* try the most relevant arithmetic ops */ c = a * b; d = (c + b) / b; /* must use the results, else compiler may optimize arithmetic away */ return d != a+1; }''', name: '__int128', args: test_c_args) buggy_int128 = false # Use of non-default alignment with __int128 tickles bugs in some compilers. # If not cross-compiling, we can test for bugs and disable use of __int128 # with buggy compilers. If cross-compiling, hope for the best. # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83925 if not meson.is_cross_build() r = cc.run(''' /* This must match the corresponding code in c.h: */ #if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__IBMC__) #define pg_attribute_aligned(a) __attribute__((aligned(a))) #elif defined(_MSC_VER) #define pg_attribute_aligned(a) __declspec(align(a)) #endif typedef __int128 int128a #if defined(pg_attribute_aligned) pg_attribute_aligned(8) #endif ; int128a holder; void pass_by_val(void *buffer, int128a par) { holder = par; } int main(void) { long int i64 = 97656225L << 12; int128a q; pass_by_val(main, (int128a) i64); q = (int128a) i64; return q != holder; }''', name: '__int128 alignment bug', args: test_c_args) assert(r.compiled()) if r.returncode() != 0 buggy_int128 = true message('__int128 support present but buggy and thus disabled') endif endif if not buggy_int128 cdata.set('PG_INT128_TYPE', '__int128') cdata.set('ALIGNOF_PG_INT128_TYPE', cc. alignment('__int128', args: test_c_args)) endif endif # Check if the C compiler knows computed gotos (gcc extension, also # available in at least clang). If so, define HAVE_COMPUTED_GOTO. # # Checking whether computed gotos are supported syntax-wise ought to # be enough, as the syntax is otherwise illegal. if cc.compiles(''' static inline int foo(void) { void *labeladdrs[] = {&&my_label}; goto *labeladdrs[0]; my_label: return 1; }''', args: test_c_args) cdata.set('HAVE_COMPUTED_GOTO', 1) endif # Check if the C compiler understands _Static_assert(), # and define HAVE__STATIC_ASSERT if so. # # We actually check the syntax ({ _Static_assert(...) }), because we need # gcc-style compound expressions to be able to wrap the thing into macros. if cc.compiles(''' int main(int arg, char **argv) { ({ _Static_assert(1, "foo"); }); } ''', args: test_c_args) cdata.set('HAVE__STATIC_ASSERT', 1) endif # We use if we have it and it declares type bool as having # size 1. Otherwise, c.h will fall back to declaring bool as unsigned char. if cc.has_type('_Bool', args: test_c_args) \ and cc.has_type('bool', prefix: '#include ', args: test_c_args) \ and cc.sizeof('bool', prefix: '#include ', args: test_c_args) == 1 cdata.set('HAVE__BOOL', 1) cdata.set('PG_USE_STDBOOL', 1) endif # Need to check a call with %m because netbsd supports gnu_printf but emits a # warning for each use of %m. printf_attributes = ['gnu_printf', '__syslog__', 'printf'] testsrc = ''' extern void emit_log(int ignore, const char *fmt,...) __attribute__((format(@0@, 2,3))); static void call_log(void) { emit_log(0, "error: %s: %m", "foo"); } ''' attrib_error_args = cc.get_supported_arguments('-Werror=format', '-Werror=ignored-attributes') foreach a : printf_attributes if cc.compiles(testsrc.format(a), args: test_c_args + attrib_error_args, name: 'format ' + a) cdata.set('PG_PRINTF_ATTRIBUTE', a) break endif endforeach if cc.has_function_attribute('visibility:default') and \ cc.has_function_attribute('visibility:hidden') cdata.set('HAVE_VISIBILITY_ATTRIBUTE', 1) # Only newer versions of meson know not to apply gnu_symbol_visibility = # inlineshidden to C code as well... Any either way, we want to put these # flags into exported files (pgxs, .pc files). cflags_mod += '-fvisibility=hidden' cxxflags_mod += ['-fvisibility=hidden', '-fvisibility-inlines-hidden'] ldflags_mod += '-fvisibility=hidden' endif # Check if various builtins exist. Some builtins are tested separately, # because we want to test something more complicated than the generic case. builtins = [ 'bswap16', 'bswap32', 'bswap64', 'clz', 'ctz', 'constant_p', 'frame_address', 'popcount', 'unreachable', ] foreach builtin : builtins fname = '__builtin_@0@'.format(builtin) if cc.has_function(fname, args: test_c_args) cdata.set('HAVE@0@'.format(fname.to_upper()), 1) endif endforeach # Check if the C compiler understands __builtin_types_compatible_p, # and define HAVE__BUILTIN_TYPES_COMPATIBLE_P if so. # # We check usage with __typeof__, though it's unlikely any compiler would # have the former and not the latter. if cc.compiles(''' static int x; static int y[__builtin_types_compatible_p(__typeof__(x), int)]; ''', name: '__builtin_types_compatible_p', args: test_c_args) cdata.set('HAVE__BUILTIN_TYPES_COMPATIBLE_P', 1) endif # Check if the C compiler understands __builtin_$op_overflow(), # and define HAVE__BUILTIN_OP_OVERFLOW if so. # # Check for the most complicated case, 64 bit multiplication, as a # proxy for all of the operations. To detect the case where the compiler # knows the function but library support is missing, we must link not just # compile, and store the results in global variables so the compiler doesn't # optimize away the call. if cc.links(''' INT64 a = 1; INT64 b = 1; INT64 result; int main(void) { return __builtin_mul_overflow(a, b, &result); }''', name: '__builtin_mul_overflow', args: test_c_args + ['-DINT64=@0@'.format(cdata.get('PG_INT64_TYPE'))], ) cdata.set('HAVE__BUILTIN_OP_OVERFLOW', 1) endif # XXX: The configure.ac check for __cpuid() is broken, we don't copy that # here. To prevent problems due to two detection methods working, stop # checking after one. if cc.links(''' #include int main(int arg, char **argv) { unsigned int exx[4] = {0, 0, 0, 0}; __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]); } ''', name: '__get_cpuid', args: test_c_args) cdata.set('HAVE__GET_CPUID', 1) elif cc.links(''' #include int main(int arg, char **argv) { unsigned int exx[4] = {0, 0, 0, 0}; __cpuid(exx, 1); } ''', name: '__cpuid', args: test_c_args) cdata.set('HAVE__CPUID', 1) endif # Defend against clang being used on x86-32 without SSE2 enabled. As current # versions of clang do not understand -fexcess-precision=standard, the use of # x87 floating point operations leads to problems like isinf possibly returning # false for a value that is infinite when converted from the 80bit register to # the 8byte memory representation. # # Only perform the test if the compiler doesn't understand # -fexcess-precision=standard, that way a potentially fixed compiler will work # automatically. if '-fexcess-precision=standard' not in cflags if not cc.compiles(''' #if defined(__clang__) && defined(__i386__) && !defined(__SSE2_MATH__) choke me #endif''', name: '', args: test_c_args) error('Compiling PostgreSQL with clang, on 32bit x86, requires SSE2 support. Use -msse2 or use gcc.') endif endif ############################################################### # Compiler flags ############################################################### common_functional_flags = [ # Disable strict-aliasing rules; needed for gcc 3.3+ '-fno-strict-aliasing', # Disable optimizations that assume no overflow; needed for gcc 4.3+ '-fwrapv', '-fexcess-precision=standard', ] cflags += cc.get_supported_arguments(common_functional_flags) if llvm.found() cxxflags += cpp.get_supported_arguments(common_functional_flags) endif vectorize_cflags = cc.get_supported_arguments(['-ftree-vectorize']) unroll_loops_cflags = cc.get_supported_arguments(['-funroll-loops']) common_warning_flags = [ '-Wmissing-prototypes', '-Wpointer-arith', # Really don't want VLAs to be used in our dialect of C '-Werror=vla', # On macOS, complain about usage of symbols newer than the deployment target '-Werror=unguarded-availability-new', '-Wendif-labels', '-Wmissing-format-attribute', '-Wimplicit-fallthrough=3', '-Wcast-function-type', '-Wshadow=compatible-local', # This was included in -Wall/-Wformat in older GCC versions '-Wformat-security', ] cflags_warn += cc.get_supported_arguments(common_warning_flags) if llvm.found() cxxflags_warn += cpp.get_supported_arguments(common_warning_flags) endif # A few places with imported code get a pass on -Wdeclaration-after-statement, remember # the result for them cflags_no_decl_after_statement = [] if cc.has_argument('-Wdeclaration-after-statement') cflags_warn += '-Wdeclaration-after-statement' cflags_no_decl_after_statement += '-Wno-declaration-after-statement' endif # The following tests want to suppress various unhelpful warnings by adding # -Wno-foo switches. But gcc won't complain about unrecognized -Wno-foo # switches, so we have to test for the positive form and if that works, # add the negative form. negative_warning_flags = [ # Suppress clang's unhelpful unused-command-line-argument warnings. 'unused-command-line-argument', # Remove clang 12+'s compound-token-split-by-macro, as this causes a lot # of warnings when building plperl because of usages in the Perl headers. 'compound-token-split-by-macro', # Similarly disable useless truncation warnings from gcc 8+ 'format-truncation', 'stringop-truncation', # Suppress clang 16's strict warnings about function casts 'cast-function-type-strict', # To make warning_level=2 / -Wextra work, we'd need at least the following # 'clobbered', # 'missing-field-initializers', # 'sign-compare', # 'unused-parameter', ] foreach w : negative_warning_flags if cc.has_argument('-W' + w) cflags_warn += '-Wno-' + w endif if llvm.found() and cpp.has_argument('-W' + w) cxxflags_warn += '-Wno-' + w endif endforeach # From Project.pm if cc.get_id() == 'msvc' cflags_warn += [ '/wd4018', # signed/unsigned mismatch '/wd4244', # conversion from 'type1' to 'type2', possible loss of data '/wd4273', # inconsistent DLL linkage '/wd4101', # unreferenced local variable '/wd4102', # unreferenced label '/wd4090', # different 'modifier' qualifiers '/wd4267', # conversion from 'size_t' to 'type', possible loss of data ] cppflags += [ '/DWIN32', '/DWINDOWS', '/D__WINDOWS__', '/D__WIN32__', '/D_CRT_SECURE_NO_DEPRECATE', '/D_CRT_NONSTDC_NO_DEPRECATE', ] # We never need export libraries. As link.exe reports their creation, they # are unnecessarily noisy. Similarly, we don't need import library for # modules, we only import them dynamically, and they're also noisy. ldflags += '/NOEXP' ldflags_mod += '/NOIMPLIB' endif ############################################################### # Atomics ############################################################### if not get_option('spinlocks') warning('Not using spinlocks will cause poor performance') else cdata.set('HAVE_SPINLOCKS', 1) endif if not get_option('atomics') warning('Not using atomics will cause poor performance') else # XXX: perhaps we should require some atomics support in this case these # days? cdata.set('HAVE_ATOMICS', 1) atomic_checks = [ {'name': 'HAVE_GCC__SYNC_CHAR_TAS', 'desc': '__sync_lock_test_and_set(char)', 'test': ''' char lock = 0; __sync_lock_test_and_set(&lock, 1); __sync_lock_release(&lock);'''}, {'name': 'HAVE_GCC__SYNC_INT32_TAS', 'desc': '__sync_lock_test_and_set(int32)', 'test': ''' int lock = 0; __sync_lock_test_and_set(&lock, 1); __sync_lock_release(&lock);'''}, {'name': 'HAVE_GCC__SYNC_INT32_CAS', 'desc': '__sync_val_compare_and_swap(int32)', 'test': ''' int val = 0; __sync_val_compare_and_swap(&val, 0, 37);'''}, {'name': 'HAVE_GCC__SYNC_INT64_CAS', 'desc': '__sync_val_compare_and_swap(int64)', 'test': ''' INT64 val = 0; __sync_val_compare_and_swap(&val, 0, 37);'''}, {'name': 'HAVE_GCC__ATOMIC_INT32_CAS', 'desc': ' __atomic_compare_exchange_n(int32)', 'test': ''' int val = 0; int expect = 0; __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);'''}, {'name': 'HAVE_GCC__ATOMIC_INT64_CAS', 'desc': ' __atomic_compare_exchange_n(int64)', 'test': ''' INT64 val = 0; INT64 expect = 0; __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);'''}, ] foreach check : atomic_checks test = ''' int main(void) { @0@ }'''.format(check['test']) cdata.set(check['name'], cc.links(test, name: check['desc'], args: test_c_args + ['-DINT64=@0@'.format(cdata.get('PG_INT64_TYPE'))]) ? 1 : false ) endforeach endif ############################################################### # Select CRC-32C implementation. # # If we are targeting a processor that has Intel SSE 4.2 instructions, we can # use the special CRC instructions for calculating CRC-32C. If we're not # targeting such a processor, but we can nevertheless produce code that uses # the SSE intrinsics, perhaps with some extra CFLAGS, compile both # implementations and select which one to use at runtime, depending on whether # SSE 4.2 is supported by the processor we're running on. # # Similarly, if we are targeting an ARM processor that has the CRC # instructions that are part of the ARMv8 CRC Extension, use them. And if # we're not targeting such a processor, but can nevertheless produce code that # uses the CRC instructions, compile both, and select at runtime. ############################################################### have_optimized_crc = false cflags_crc = [] if host_cpu == 'x86' or host_cpu == 'x86_64' if cc.get_id() == 'msvc' cdata.set('USE_SSE42_CRC32C', false) cdata.set('USE_SSE42_CRC32C_WITH_RUNTIME_CHECK', 1) have_optimized_crc = true else prog = ''' #include int main(void) { unsigned int crc = 0; crc = _mm_crc32_u8(crc, 0); crc = _mm_crc32_u32(crc, 0); /* return computed value, to prevent the above being optimized away */ return crc == 0; } ''' if cc.links(prog, name: '_mm_crc32_u8 and _mm_crc32_u32 without -msse4.2', args: test_c_args) # Use Intel SSE 4.2 unconditionally. cdata.set('USE_SSE42_CRC32C', 1) have_optimized_crc = true elif cc.links(prog, name: '_mm_crc32_u8 and _mm_crc32_u32 with -msse4.2', args: test_c_args + ['-msse4.2']) # Use Intel SSE 4.2, with runtime check. The CPUID instruction is needed for # the runtime check. cflags_crc += '-msse4.2' cdata.set('USE_SSE42_CRC32C', false) cdata.set('USE_SSE42_CRC32C_WITH_RUNTIME_CHECK', 1) have_optimized_crc = true endif endif elif host_cpu == 'arm' or host_cpu == 'aarch64' prog = ''' #include int main(void) { unsigned int crc = 0; crc = __crc32cb(crc, 0); crc = __crc32ch(crc, 0); crc = __crc32cw(crc, 0); crc = __crc32cd(crc, 0); /* return computed value, to prevent the above being optimized away */ return crc == 0; } ''' if cc.links(prog, name: '__crc32cb, __crc32ch, __crc32cw, and __crc32cd without -march=armv8-a+crc', args: test_c_args) # Use ARM CRC Extension unconditionally cdata.set('USE_ARMV8_CRC32C', 1) have_optimized_crc = true elif cc.links(prog, name: '__crc32cb, __crc32ch, __crc32cw, and __crc32cd with -march=armv8-a+crc', args: test_c_args + ['-march=armv8-a+crc']) # Use ARM CRC Extension, with runtime check cflags_crc += '-march=armv8-a+crc' cdata.set('USE_ARMV8_CRC32C', false) cdata.set('USE_ARMV8_CRC32C_WITH_RUNTIME_CHECK', 1) have_optimized_crc = true endif endif if not have_optimized_crc # fall back to slicing-by-8 algorithm, which doesn't require any special CPU # support. cdata.set('USE_SLICING_BY_8_CRC32C', 1) endif ############################################################### # Other CPU specific stuff ############################################################### if host_cpu == 'x86_64' if cc.compiles(''' void main(void) { long long x = 1; long long r; __asm__ __volatile__ (" popcntq %1,%0\n" : "=q"(r) : "rm"(x)); }''', name: '@0@: popcntq instruction'.format(host_cpu), args: test_c_args) cdata.set('HAVE_X86_64_POPCNTQ', 1) endif elif host_cpu == 'ppc' or host_cpu == 'ppc64' # Check if compiler accepts "i"(x) when __builtin_constant_p(x). if cdata.has('HAVE__BUILTIN_CONSTANT_P') if cc.compiles(''' static inline int addi(int ra, int si) { int res = 0; if (__builtin_constant_p(si)) __asm__ __volatile__( " addi %0,%1,%2\n" : "=r"(res) : "b"(ra), "i"(si)); return res; } int test_adds(int x) { return addi(3, x) + addi(x, 5); } ''', args: test_c_args) cdata.set('HAVE_I_CONSTRAINT__BUILTIN_CONSTANT_P', 1) endif endif endif ############################################################### # Library / OS tests ############################################################### # XXX: Might be worth conditioning some checks on the OS, to avoid doing # unnecessary checks over and over, particularly on windows. header_checks = [ 'atomic.h', 'copyfile.h', 'crtdefs.h', 'execinfo.h', 'getopt.h', 'ifaddrs.h', 'langinfo.h', 'mbarrier.h', 'stdbool.h', 'strings.h', 'sys/epoll.h', 'sys/event.h', 'sys/personality.h', 'sys/prctl.h', 'sys/procctl.h', 'sys/signalfd.h', 'sys/ucred.h', 'termios.h', 'ucred.h', ] foreach header : header_checks varname = 'HAVE_' + header.underscorify().to_upper() # Emulate autoconf behaviour of not-found->undef, found->1 found = cc.has_header(header, include_directories: postgres_inc, args: test_c_args) cdata.set(varname, found ? 1 : false, description: 'Define to 1 if you have the <@0@> header file.'.format(header)) endforeach decl_checks = [ ['F_FULLFSYNC', 'fcntl.h'], ['fdatasync', 'unistd.h'], ['posix_fadvise', 'fcntl.h'], ['strlcat', 'string.h'], ['strlcpy', 'string.h'], ['strnlen', 'string.h'], ] # Need to check for function declarations for these functions, because # checking for library symbols wouldn't handle deployment target # restrictions on macOS decl_checks += [ ['preadv', 'sys/uio.h'], ['pwritev', 'sys/uio.h'], ] foreach c : decl_checks func = c.get(0) header = c.get(1) args = c.get(2, {}) varname = 'HAVE_DECL_' + func.underscorify().to_upper() found = cc.has_header_symbol(header, func, args: test_c_args, include_directories: postgres_inc, kwargs: args) cdata.set10(varname, found, description: '''Define to 1 if you have the declaration of `@0@', and to 0 if you don't.'''.format(func)) endforeach if cc.has_type('struct option', args: test_c_args, include_directories: postgres_inc, prefix: '@0@'.format(cdata.get('HAVE_GETOPT_H')) == '1' ? '#include ' : '') cdata.set('HAVE_STRUCT_OPTION', 1) endif foreach c : ['opterr', 'optreset'] varname = 'HAVE_INT_' + c.underscorify().to_upper() if cc.links(''' #include int main(void) { extern int @0@; @0@ = 1; } '''.format(c), name: c, args: test_c_args) cdata.set(varname, 1) else cdata.set(varname, false) endif endforeach if cc.has_type('socklen_t', args: test_c_args, include_directories: postgres_inc, prefix: ''' #include ''') cdata.set('HAVE_SOCKLEN_T', 1) endif if cc.has_member('struct sockaddr', 'sa_len', args: test_c_args, include_directories: postgres_inc, prefix: ''' #include #include ''') cdata.set('HAVE_STRUCT_SOCKADDR_SA_LEN', 1) endif if cc.has_member('struct tm', 'tm_zone', args: test_c_args, include_directories: postgres_inc, prefix: ''' #include #include ''') cdata.set('HAVE_STRUCT_TM_TM_ZONE', 1) endif if cc.compiles(''' #include extern int foo(void); int foo(void) { return timezone / 60; } ''', name: 'global variable `timezone\' exists', args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_INT_TIMEZONE', 1) else cdata.set('HAVE_INT_TIMEZONE', false) endif if cc.has_type('union semun', args: test_c_args, include_directories: postgres_inc, prefix: ''' #include #include #include ''') cdata.set('HAVE_UNION_SEMUN', 1) endif if cc.compiles(''' #include int main(void) { char buf[100]; switch (strerror_r(1, buf, sizeof(buf))) { case 0: break; default: break; } }''', name: 'strerror_r', args: test_c_args, include_directories: postgres_inc) cdata.set('STRERROR_R_INT', 1) else cdata.set('STRERROR_R_INT', false) endif # Check for the locale_t type and find the right header file. macOS # needs xlocale.h; standard is locale.h, but glibc also has an # xlocale.h file that we should not use. MSVC has a replacement # defined in src/include/port/win32_port.h. if cc.has_type('locale_t', prefix: '#include ') cdata.set('HAVE_LOCALE_T', 1) elif cc.has_type('locale_t', prefix: '#include ') cdata.set('HAVE_LOCALE_T', 1) cdata.set('LOCALE_T_IN_XLOCALE', 1) elif cc.get_id() == 'msvc' cdata.set('HAVE_LOCALE_T', 1) endif # Check if the C compiler understands typeof or a variant. Define # HAVE_TYPEOF if so, and define 'typeof' to the actual key word. foreach kw : ['typeof', '__typeof__', 'decltype'] if cc.compiles(''' int main(void) { int x = 0; @0@(x) y; y = x; return y; } '''.format(kw), name: 'typeof()', args: test_c_args, include_directories: postgres_inc) cdata.set('HAVE_TYPEOF', 1) if kw != 'typeof' cdata.set('typeof', kw) endif break endif endforeach # Try to find a declaration for wcstombs_l(). It might be in stdlib.h # (following the POSIX requirement for wcstombs()), or in locale.h, or in # xlocale.h. If it's in the latter, define WCSTOMBS_L_IN_XLOCALE. wcstombs_l_test = ''' #include #include @0@ void main(void) { #ifndef wcstombs_l (void) wcstombs_l; #endif } ''' if (not cc.compiles(wcstombs_l_test.format(''), name: 'wcstombs_l') and cc.compiles(wcstombs_l_test.format('#include '), name: 'wcstombs_l in xlocale.h')) cdata.set('WCSTOMBS_L_IN_XLOCALE', 1) endif # MSVC doesn't cope well with defining restrict to __restrict, the spelling it # understands, because it conflicts with __declspec(restrict). Therefore we # define pg_restrict to the appropriate definition, which presumably won't # conflict. # # We assume C99 support, so we don't need to make this conditional. # # XXX: Historically we allowed platforms to disable restrict in template # files, but that was only added for AIX when building with XLC, which we # don't support yet. cdata.set('pg_restrict', '__restrict') # Most libraries are included only if they demonstrably provide a function we # need, but libm is an exception: always include it, because there are too # many compilers that play cute optimization games that will break probes for # standard functions such as pow(). os_deps += cc.find_library('m', required: false) rt_dep = cc.find_library('rt', required: false) dl_dep = cc.find_library('dl', required: false) util_dep = cc.find_library('util', required: false) posix4_dep = cc.find_library('posix4', required: false) getopt_dep = cc.find_library('getopt', required: false) gnugetopt_dep = cc.find_library('gnugetopt', required: false) # Check if we want to replace getopt/getopt_long even if provided by the system # - Mingw has adopted a GNU-centric interpretation of optind/optreset, # so always use our version on Windows # - On OpenBSD and Solaris, getopt() doesn't do what we want for long options # (i.e., allow '-' as a flag character), so use our version on those platforms # - We want to use system's getopt_long() only if the system provides struct # option always_replace_getopt = host_system in ['windows', 'cygwin', 'openbsd', 'solaris'] always_replace_getopt_long = host_system in ['windows', 'cygwin'] or not cdata.has('HAVE_STRUCT_OPTION') # Required on BSDs execinfo_dep = cc.find_library('execinfo', required: false) if host_system == 'cygwin' cygipc_dep = cc.find_library('cygipc', required: false) else cygipc_dep = not_found_dep endif if host_system == 'sunos' socket_dep = cc.find_library('socket', required: false) else socket_dep = not_found_dep endif # XXX: Might be worth conditioning some checks on the OS, to avoid doing # unnecessary checks over and over, particularly on windows. func_checks = [ ['_configthreadlocale', {'skip': host_system != 'windows'}], ['backtrace_symbols', {'dependencies': [execinfo_dep]}], ['clock_gettime', {'dependencies': [rt_dep, posix4_dep], 'define': false}], ['copyfile'], # gcc/clang's sanitizer helper library provides dlopen but not dlsym, thus # when enabling asan the dlopen check doesn't notice that -ldl is actually # required. Just checking for dlsym() ought to suffice. ['dlsym', {'dependencies': [dl_dep], 'define': false}], ['explicit_bzero'], ['fdatasync', {'dependencies': [rt_dep, posix4_dep], 'define': false}], # Solaris ['getifaddrs'], ['getopt', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt}], ['getopt_long', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt_long}], ['getpeereid'], ['getpeerucred'], ['inet_aton'], ['inet_pton'], ['kqueue'], ['mbstowcs_l'], ['memset_s'], ['mkdtemp'], ['posix_fadvise'], ['posix_fallocate'], ['ppoll'], ['pstat'], ['pthread_barrier_wait', {'dependencies': [thread_dep]}], ['pthread_is_threaded_np', {'dependencies': [thread_dep]}], ['sem_init', {'dependencies': [rt_dep, thread_dep], 'skip': sema_kind != 'unnamed_posix', 'define': false}], ['setproctitle', {'dependencies': [util_dep]}], ['setproctitle_fast'], ['shm_open', {'dependencies': [rt_dep], 'define': false}], ['shm_unlink', {'dependencies': [rt_dep], 'define': false}], ['shmget', {'dependencies': [cygipc_dep], 'define': false}], ['socket', {'dependencies': [socket_dep], 'define': false}], ['strchrnul'], ['strerror_r', {'dependencies': [thread_dep]}], ['strlcat'], ['strlcpy'], ['strnlen'], ['strsignal'], ['sync_file_range'], ['syncfs'], ['uselocale'], ['wcstombs_l'], ] func_check_results = {} foreach c : func_checks func = c.get(0) kwargs = c.get(1, {}) deps = kwargs.get('dependencies', []) if kwargs.get('skip', false) continue endif found = cc.has_function(func, args: test_c_args) if not found foreach dep : deps if not dep.found() continue endif found = cc.has_function(func, args: test_c_args, dependencies: [dep]) if found os_deps += dep break endif endforeach endif func_check_results += {func: found} if kwargs.get('define', true) # Emulate autoconf behaviour of not-found->undef, found->1 cdata.set('HAVE_' + func.underscorify().to_upper(), found ? 1 : false, description: 'Define to 1 if you have the `@0@\' function.'.format(func)) endif endforeach if cc.has_function('syslog', args: test_c_args) and \ cc.check_header('syslog.h', args: test_c_args) cdata.set('HAVE_SYSLOG', 1) endif # MSVC has replacements defined in src/include/port/win32_port.h. if cc.get_id() == 'msvc' cdata.set('HAVE_WCSTOMBS_L', 1) cdata.set('HAVE_MBSTOWCS_L', 1) endif # if prerequisites for unnamed posix semas aren't fulfilled, fall back to sysv # semaphores if sema_kind == 'unnamed_posix' and \ not func_check_results.get('sem_init', false) sema_kind = 'sysv' endif cdata.set('USE_@0@_SHARED_MEMORY'.format(shmem_kind.to_upper()), 1) cdata.set('USE_@0@_SEMAPHORES'.format(sema_kind.to_upper()), 1) cdata.set('MEMSET_LOOP_LIMIT', memset_loop_limit) cdata.set_quoted('DLSUFFIX', dlsuffix) # built later than the rest of the version metadata, we need SIZEOF_VOID_P cdata.set_quoted('PG_VERSION_STR', 'PostgreSQL @0@ on @1@-@2@, compiled by @3@-@4@, @5@-bit'.format( pg_version, host_machine.cpu_family(), host_system, cc.get_id(), cc.version(), cdata.get('SIZEOF_VOID_P') * 8, ) ) ############################################################### # Threading ############################################################### # XXX: About to rely on thread safety in the autoconf build, so not worth # implementing a fallback. cdata.set('ENABLE_THREAD_SAFETY', 1) ############################################################### # NLS / Gettext ############################################################### nlsopt = get_option('nls') libintl = not_found_dep if not nlsopt.disabled() # otherwise there'd be lots of # "Gettext not found, all translation (po) targets will be ignored." # warnings if not found. msgfmt = find_program('msgfmt', required: nlsopt.enabled(), native: true) # meson 0.59 has this wrapped in dependency('int') if (msgfmt.found() and cc.check_header('libintl.h', required: nlsopt, args: test_c_args, include_directories: postgres_inc)) # in libc if cc.has_function('ngettext') libintl = declare_dependency() else libintl = cc.find_library('intl', has_headers: ['libintl.h'], required: nlsopt, header_include_directories: postgres_inc, dirs: test_lib_d) endif endif if libintl.found() i18n = import('i18n') cdata.set('ENABLE_NLS', 1) endif endif ############################################################### # Build ############################################################### # Set up compiler / linker arguments to be used everywhere, individual targets # can add further args directly, or indirectly via dependencies add_project_arguments(cflags, language: ['c']) add_project_arguments(cppflags, language: ['c']) add_project_arguments(cflags_warn, language: ['c']) add_project_arguments(cxxflags, language: ['cpp']) add_project_arguments(cppflags, language: ['cpp']) add_project_arguments(cxxflags_warn, language: ['cpp']) add_project_link_arguments(ldflags, language: ['c', 'cpp']) # Collect a number of lists of things while recursing through the source # tree. Later steps then can use those. # list of targets for various alias targets backend_targets = [] bin_targets = [] pl_targets = [] contrib_targets = [] testprep_targets = [] nls_targets = [] # Define the tests to distribute them to the correct test styles later test_deps = [] tests = [] # Default options for targets # First identify rpaths bin_install_rpaths = [] lib_install_rpaths = [] mod_install_rpaths = [] # Don't add rpaths on darwin for now - as long as only absolute references to # libraries are needed, absolute LC_ID_DYLIB ensures libraries can be found in # their final destination. if host_system != 'darwin' # Add absolute path to libdir to rpath. This ensures installed binaries / # libraries find our libraries (mainly libpq). bin_install_rpaths += dir_prefix / dir_lib lib_install_rpaths += dir_prefix / dir_lib mod_install_rpaths += dir_prefix / dir_lib # Add extra_lib_dirs to rpath. This ensures we find libraries we depend on. # # Not needed on darwin even if we use relative rpaths for our own libraries, # as the install_name of libraries in extra_lib_dirs will point to their # location anyway. bin_install_rpaths += postgres_lib_d lib_install_rpaths += postgres_lib_d mod_install_rpaths += postgres_lib_d endif # Define arguments for default targets default_target_args = { 'implicit_include_directories': false, 'install': true, } default_lib_args = default_target_args + { 'name_prefix': '', } internal_lib_args = default_lib_args + { 'build_by_default': false, 'install': false, } default_mod_args = default_lib_args + { 'name_prefix': '', 'install_dir': dir_lib_pkg, } default_bin_args = default_target_args + { 'install_dir': dir_bin, } if get_option('rpath') default_lib_args += { 'install_rpath': ':'.join(lib_install_rpaths), } default_mod_args += { 'install_rpath': ':'.join(mod_install_rpaths), } default_bin_args += { 'install_rpath': ':'.join(bin_install_rpaths), } endif # Helper for exporting a limited number of symbols gen_export_kwargs = { 'input': 'exports.txt', 'output': '@BASENAME@.'+export_file_suffix, 'command': [perl, files('src/tools/gen_export.pl'), '--format', export_file_format, '--input', '@INPUT0@', '--output', '@OUTPUT0@'], 'build_by_default': false, 'install': false, } ### ### windows resources related stuff ### if host_system == 'windows' pg_ico = meson.source_root() / 'src' / 'port' / 'win32.ico' win32ver_rc = files('src/port/win32ver.rc') rcgen = find_program('src/tools/rcgen', native: true) rcgen_base_args = [ '--srcdir', '@SOURCE_DIR@', '--builddir', meson.build_root(), '--rcout', '@OUTPUT0@', '--out', '@OUTPUT1@', '--input', '@INPUT@', '@EXTRA_ARGS@', ] if cc.get_argument_syntax() == 'msvc' rc = find_program('rc', required: true) rcgen_base_args += ['--rc', rc.path()] rcgen_outputs = ['@BASENAME@.rc', '@BASENAME@.res'] else windres = find_program('windres', required: true) rcgen_base_args += ['--windres', windres.path()] rcgen_outputs = ['@BASENAME@.rc', '@BASENAME@.obj'] endif # msbuild backend doesn't support this atm if meson.backend() == 'ninja' rcgen_base_args += ['--depfile', '@DEPFILE@'] endif rcgen_bin_args = rcgen_base_args + [ '--VFT_TYPE', 'VFT_APP', '--FILEENDING', 'exe', '--ICO', pg_ico ] rcgen_lib_args = rcgen_base_args + [ '--VFT_TYPE', 'VFT_DLL', '--FILEENDING', 'dll', ] rc_bin_gen = generator(rcgen, depfile: '@BASENAME@.d', arguments: rcgen_bin_args, output: rcgen_outputs, ) rc_lib_gen = generator(rcgen, depfile: '@BASENAME@.d', arguments: rcgen_lib_args, output: rcgen_outputs, ) endif # headers that the whole build tree depends on generated_headers = [] # headers that the backend build depends on generated_backend_headers = [] # configure_files() output, needs a way of converting to file names configure_files = [] # generated files that might conflict with a partial in-tree autoconf build generated_sources = [] # same, for paths that differ between autoconf / meson builds # elements are [dir, [files]] generated_sources_ac = {} # First visit src/include - all targets creating headers are defined # within. That makes it easy to add the necessary dependencies for the # subsequent build steps. subdir('src/include') subdir('config') # Then through src/port and src/common, as most other things depend on them frontend_port_code = declare_dependency( compile_args: ['-DFRONTEND'], include_directories: [postgres_inc], dependencies: os_deps, ) backend_port_code = declare_dependency( compile_args: ['-DBUILDING_DLL'], include_directories: [postgres_inc], sources: [errcodes], # errcodes.h is needed due to use of ereport dependencies: os_deps, ) subdir('src/port') frontend_common_code = declare_dependency( compile_args: ['-DFRONTEND'], include_directories: [postgres_inc], sources: generated_headers, dependencies: [os_deps, zlib, zstd], ) backend_common_code = declare_dependency( compile_args: ['-DBUILDING_DLL'], include_directories: [postgres_inc], sources: generated_headers, dependencies: [os_deps, zlib, zstd], ) subdir('src/common') # all shared libraries should depend on shlib_code shlib_code = declare_dependency( link_args: ldflags_sl, ) # all static libraries not part of the backend should depend on this frontend_stlib_code = declare_dependency( include_directories: [postgres_inc], link_with: [common_static, pgport_static], sources: generated_headers, dependencies: [os_deps, libintl], ) # all shared libraries not part of the backend should depend on this frontend_shlib_code = declare_dependency( include_directories: [postgres_inc], link_with: [common_shlib, pgport_shlib], sources: generated_headers, dependencies: [shlib_code, os_deps, libintl], ) # Dependencies both for static and shared libpq libpq_deps += [ thread_dep, gssapi, ldap_r, libintl, ssl, ] subdir('src/interfaces/libpq') # fe_utils depends on libpq subdir('src/fe_utils') # for frontend binaries frontend_code = declare_dependency( include_directories: [postgres_inc], link_with: [fe_utils, common_static, pgport_static], sources: generated_headers, dependencies: [os_deps, libintl], ) backend_both_deps += [ thread_dep, bsd_auth, gssapi, icu, icu_i18n, ldap, libintl, libxml, lz4, pam, ssl, systemd, zlib, zstd, ] backend_mod_deps = backend_both_deps + os_deps backend_code = declare_dependency( compile_args: ['-DBUILDING_DLL'], include_directories: [postgres_inc], link_args: ldflags_be, link_with: [], sources: generated_headers + generated_backend_headers, dependencies: os_deps + backend_both_deps + backend_deps, ) # install these files only during test, not main install test_install_data = [] test_install_libs = [] # src/backend/meson.build defines backend_mod_code used for extension # libraries. # Then through the main sources. That way contrib can have dependencies on # main sources. Note that this explicitly doesn't enter src/test, right now a # few regression tests depend on contrib files. subdir('src') subdir('contrib') subdir('src/test') subdir('src/interfaces/libpq/test') subdir('src/interfaces/ecpg/test') subdir('doc/src/sgml') generated_sources_ac += {'': ['GNUmakefile']} # After processing src/test, add test_install_libs to the testprep_targets # to build them testprep_targets += test_install_libs # If there are any files in the source directory that we also generate in the # build directory, they might get preferred over the newly generated files, # e.g. because of a #include "file", which always will search in the current # directory first. message('checking for file conflicts between source and build directory') conflicting_files = [] potentially_conflicting_files_t = [] potentially_conflicting_files_t += generated_headers potentially_conflicting_files_t += generated_backend_headers potentially_conflicting_files_t += generated_backend_sources potentially_conflicting_files_t += generated_sources potentially_conflicting_files = [] # convert all sources of potentially conflicting files into uniform shape foreach t : potentially_conflicting_files_t potentially_conflicting_files += t.full_path() endforeach foreach t : configure_files t = '@0@'.format(t) potentially_conflicting_files += meson.current_build_dir() / t endforeach foreach sub, fnames : generated_sources_ac sub = meson.build_root() / sub foreach fname : fnames potentially_conflicting_files += sub / fname endforeach endforeach # find and report conflicting files foreach build_path : potentially_conflicting_files build_path = host_system == 'windows' ? fs.as_posix(build_path) : build_path # str.replace is in 0.56 src_path = meson.current_source_dir() / build_path.split(meson.current_build_dir() / '')[1] if fs.exists(src_path) or fs.is_symlink(src_path) conflicting_files += src_path endif endforeach # XXX: Perhaps we should generate a file that would clean these up? The list # can be long. if conflicting_files.length() > 0 errmsg_cleanup = ''' Conflicting files in source directory: @0@ The conflicting files need to be removed, either by removing the files listed above, or by running configure and then make maintainer-clean. ''' errmsg_cleanup = errmsg_cleanup.format(' '.join(conflicting_files)) error(errmsg_nonclean_base.format(errmsg_cleanup)) endif ############################################################### # Install targets ############################################################### # We want to define additional install targets beyond what meson provides. For # that we need to define targets depending on nearly everything. We collected # the results of i18n.gettext() invocations into nls_targets, that also # includes maintainer targets though. Collect the ones we want as a dependency. # # i18n.gettext() doesn't return the dependencies before 0.60 - but the gettext # generation happens during install, so that's not a real issue. nls_mo_targets = [] if libintl.found() and meson.version().version_compare('>=0.60') # use range() to avoid the flattening of the list that foreach() would do foreach off : range(0, nls_targets.length()) # i18n.gettext() list containing 1) list of built .mo files 2) maintainer # -pot target 3) maintainer -pot target nls_mo_targets += nls_targets[off][0] endforeach alias_target('nls', nls_mo_targets) endif all_built = [ backend_targets, bin_targets, libpq_st, pl_targets, contrib_targets, nls_mo_targets, testprep_targets, ecpg_targets, ] # Meson's default install target is quite verbose. Provide one that is quiet. install_quiet = custom_target('install-quiet', output: 'install-quiet', build_always_stale: true, build_by_default: false, command: [meson_bin, meson_args, 'install', '--quiet', '--no-rebuild'], depends: all_built, ) # Target to install files used for tests, which aren't installed by default install_test_files_args = [ install_files, '--prefix', dir_prefix, '--install', contrib_data_dir, test_install_data, '--install', dir_lib_pkg, test_install_libs, ] run_target('install-test-files', command: [python] + install_test_files_args, depends: testprep_targets, ) ############################################################### # Test prep ############################################################### # DESTDIR for the installation we'll run tests in test_install_destdir = meson.build_root() / 'tmp_install/' # DESTDIR + prefix appropriately munged if build_system != 'windows' # On unixoid systems this is trivial, we just prepend the destdir assert(dir_prefix.startswith('/')) # enforced by meson test_install_location = '@0@@1@'.format(test_install_destdir, dir_prefix) else # drives, drive-relative paths, etc make this complicated on windows, call # into a copy of meson's logic for it command = [ python, '-c', 'import sys; from pathlib import PurePath; d1=sys.argv[1]; d2=sys.argv[2]; print(str(PurePath(d1, *PurePath(d2).parts[1:])))', test_install_destdir, dir_prefix] test_install_location = run_command(command, check: true).stdout().strip() endif meson_install_args = meson_args + ['install'] + { 'meson': ['--quiet', '--only-changed', '--no-rebuild'], 'muon': [] }[meson_impl] # setup tests should be run first, # so define priority for these setup_tests_priority = 100 test('tmp_install', meson_bin, args: meson_install_args , env: {'DESTDIR':test_install_destdir}, priority: setup_tests_priority, timeout: 300, is_parallel: false, suite: ['setup']) test('install_test_files', python, args: install_test_files_args + ['--destdir', test_install_destdir], priority: setup_tests_priority, is_parallel: false, suite: ['setup']) test_result_dir = meson.build_root() / 'testrun' # XXX: pg_regress doesn't assign unique ports on windows. To avoid the # inevitable conflicts from running tests in parallel, hackishly assign # different ports for different tests. testport = 40000 test_env = environment() temp_install_bindir = test_install_location / get_option('bindir') test_env.set('PG_REGRESS', pg_regress.full_path()) test_env.set('REGRESS_SHLIB', regress_module.full_path()) # Test suites that are not safe by default but can be run if selected # by the user via the whitespace-separated list in variable PG_TEST_EXTRA. # Export PG_TEST_EXTRA so it can be checked in individual tap tests. test_env.set('PG_TEST_EXTRA', get_option('PG_TEST_EXTRA')) # Add the temporary installation to the library search path on platforms where # that works (everything but windows, basically). On windows everything # library-like gets installed into bindir, solving that issue. if library_path_var != '' test_env.prepend(library_path_var, test_install_location / get_option('libdir')) endif ############################################################### # Test Generation ############################################################### # When using a meson version understanding exclude_suites, define a # 'tmp_install' test setup (the default) that excludes tests running against a # pre-existing install and a 'running' setup that conflicts with creation of # the temporary installation and tap tests (which don't support running # against a running server). running_suites = [] install_suites = [] if meson.version().version_compare('>=0.57') runningcheck = true else runningcheck = false endif testwrap = files('src/tools/testwrap') foreach test_dir : tests testwrap_base = [ testwrap, '--basedir', meson.build_root(), '--srcdir', test_dir['sd'], ] foreach kind, v : test_dir if kind in ['sd', 'bd', 'name'] continue endif t = test_dir[kind] if kind in ['regress', 'isolation', 'ecpg'] if kind == 'regress' runner = pg_regress fallback_dbname = 'regression_@0@' elif kind == 'isolation' runner = pg_isolation_regress fallback_dbname = 'isolation_regression_@0@' elif kind == 'ecpg' runner = pg_regress_ecpg fallback_dbname = 'ecpg_regression_@0@' endif test_group = test_dir['name'] test_group_running = test_dir['name'] + '-running' test_output = test_result_dir / test_group / kind test_output_running = test_result_dir / test_group_running/ kind # Unless specified by the test, choose a non-conflicting database name, # to avoid conflicts when running against existing server. dbname = t.get('dbname', fallback_dbname.format(test_dir['name'])) test_command_base = [ runner.full_path(), '--inputdir', t.get('inputdir', test_dir['sd']), '--expecteddir', t.get('expecteddir', test_dir['sd']), '--bindir', '', '--dlpath', test_dir['bd'], '--max-concurrent-tests=20', '--dbname', dbname, ] + t.get('regress_args', []) test_selection = [] if t.has_key('schedule') test_selection += ['--schedule', t['schedule'],] endif if kind == 'isolation' test_selection += t.get('specs', []) else test_selection += t.get('sql', []) endif env = test_env env.prepend('PATH', temp_install_bindir, test_dir['bd']) test_kwargs = { 'protocol': 'tap', 'priority': 10, 'timeout': 1000, 'depends': test_deps + t.get('deps', []), 'env': env, } + t.get('test_kwargs', {}) test(test_group / kind, python, args: [ testwrap_base, '--testgroup', test_group, '--testname', kind, '--', test_command_base, '--outputdir', test_output, '--temp-instance', test_output / 'tmp_check', '--port', testport.to_string(), test_selection, ], suite: test_group, kwargs: test_kwargs, ) install_suites += test_group # some tests can't support running against running DB if runningcheck and t.get('runningcheck', true) test(test_group_running / kind, python, args: [ testwrap_base, '--testgroup', test_group_running, '--testname', kind, '--', test_command_base, '--outputdir', test_output_running, test_selection, ], is_parallel: t.get('runningcheck-parallel', true), suite: test_group_running, kwargs: test_kwargs, ) running_suites += test_group_running endif testport += 1 elif kind == 'tap' if not tap_tests_enabled continue endif test_command = [ perl.path(), '-I', meson.source_root() / 'src/test/perl', '-I', test_dir['sd'], ] # Add temporary install, the build directory for non-installed binaries and # also test/ for non-installed test binaries built separately. env = test_env env.prepend('PATH', temp_install_bindir, test_dir['bd'], test_dir['bd'] / 'test') foreach name, value : t.get('env', {}) env.set(name, value) endforeach test_group = test_dir['name'] test_kwargs = { 'protocol': 'tap', 'suite': test_group, 'timeout': 1000, 'depends': test_deps + t.get('deps', []), 'env': env, } + t.get('test_kwargs', {}) foreach onetap : t['tests'] # Make tap test names prettier, remove t/ and .pl onetap_p = onetap if onetap_p.startswith('t/') onetap_p = onetap.split('t/')[1] endif if onetap_p.endswith('.pl') onetap_p = fs.stem(onetap_p) endif test(test_dir['name'] / onetap_p, python, kwargs: test_kwargs, args: testwrap_base + [ '--testgroup', test_dir['name'], '--testname', onetap_p, '--', test_command, test_dir['sd'] / onetap, ], ) endforeach install_suites += test_group else error('unknown kind @0@ of test in @1@'.format(kind, test_dir['sd'])) endif endforeach # kinds of tests endforeach # directories with tests # repeat condition so meson realizes version dependency if meson.version().version_compare('>=0.57') add_test_setup('tmp_install', is_default: true, exclude_suites: running_suites) add_test_setup('running', exclude_suites: ['setup'] + install_suites) endif ############################################################### # Pseudo targets ############################################################### alias_target('backend', backend_targets) alias_target('bin', bin_targets + [libpq_st]) alias_target('pl', pl_targets) alias_target('contrib', contrib_targets) alias_target('testprep', testprep_targets) alias_target('install-world', install_quiet, installdocs) ############################################################### # The End, The End, My Friend ############################################################### if meson.version().version_compare('>=0.57') summary( { 'data block size': '@0@ kB'.format(cdata.get('BLCKSZ') / 1024), 'WAL block size': '@0@ kB'.format(cdata.get('XLOG_BLCKSZ') / 1024), 'segment size': get_option('segsize_blocks') != 0 ? '@0@ blocks'.format(cdata.get('RELSEG_SIZE')) : '@0@ GB'.format(get_option('segsize')), }, section: 'Data layout', ) summary( { 'host system': '@0@ @1@'.format(host_system, host_cpu), 'build system': '@0@ @1@'.format(build_machine.system(), build_machine.cpu_family()), }, section: 'System', ) summary( { 'linker': '@0@'.format(cc.get_linker_id()), 'C compiler': '@0@ @1@'.format(cc.get_id(), cc.version()), }, section: 'Compiler', ) summary( { 'CPP FLAGS': ' '.join(cppflags), 'C FLAGS, functional': ' '.join(cflags), 'C FLAGS, warnings': ' '.join(cflags_warn), 'C FLAGS, modules': ' '.join(cflags_mod), 'C FLAGS, user specified': ' '.join(get_option('c_args')), 'LD FLAGS': ' '.join(ldflags + get_option('c_link_args')), }, section: 'Compiler Flags', ) if llvm.found() summary( { 'C++ compiler': '@0@ @1@'.format(cpp.get_id(), cpp.version()), }, section: 'Compiler', ) summary( { 'C++ FLAGS, functional': ' '.join(cxxflags), 'C++ FLAGS, warnings': ' '.join(cxxflags_warn), 'C++ FLAGS, user specified': ' '.join(get_option('cpp_args')), }, section: 'Compiler Flags', ) endif summary( { 'bison': '@0@ @1@'.format(bison.full_path(), bison_version), 'dtrace': dtrace, }, section: 'Programs', ) summary( { 'bonjour': bonjour, 'bsd_auth': bsd_auth, 'docs': docs_dep, 'docs_pdf': docs_pdf_dep, 'gss': gssapi, 'icu': icu, 'ldap': ldap, 'libxml': libxml, 'libxslt': libxslt, 'llvm': llvm, 'lz4': lz4, 'nls': libintl, 'openssl': ssl, 'pam': pam, 'plperl': perl_dep, 'plpython': python3_dep, 'pltcl': tcl_dep, 'readline': readline, 'selinux': selinux, 'systemd': systemd, 'uuid': uuid, 'zlib': zlib, 'zstd': zstd, }, section: 'External libraries', ) endif