1 # Copyright (c) 2022-2023, PostgreSQL Global Development Group
3 # Entry point for building PostgreSQL with meson
5 # Good starting points for writing meson.build files are:
6 # - https://mesonbuild.com/Syntax.html
7 # - https://mesonbuild.com/Reference-manual.html
12 license: 'PostgreSQL',
14 # We want < 0.56 for python 3.5 compatibility on old platforms. EPEL for
15 # RHEL 7 has 0.55. < 0.54 would require replacing some uses of the fs
16 # module, < 0.53 all uses of fs. So far there's no need to go to >=0.56.
17 meson_version: '>=0.54',
19 'warning_level=1', #-Wall equivalent
21 'buildtype=debugoptimized', # -O2 + debug
22 # For compatibility with the autoconf build, set a default prefix. This
23 # works even on windows, where it's a drive-relative path (i.e. when on
24 # d:/somepath it'll install to d:/usr/local/pgsql)
25 'prefix=/usr/local/pgsql',
31 ###############################################################
33 ###############################################################
36 pkgconfig = import('pkgconfig')
38 host_system = host_machine.system()
39 build_system = build_machine.system()
40 host_cpu = host_machine.cpu_family()
42 cc = meson.get_compiler('c')
44 not_found_dep = dependency('', required: false)
45 thread_dep = dependency('threads')
46 auto_features = get_option('auto_features')
50 ###############################################################
52 ###############################################################
54 # It's very easy to get into confusing states when the source directory
55 # contains an in-place build. E.g. the wrong pg_config.h will be used. So just
56 # refuse to build in that case.
58 # There's a more elaborate check later, that checks for conflicts around all
59 # generated files. But we can only do that much further down the line, so this
60 # quick check seems worth it. Adhering to this advice should clean up the
61 # conflict, but won't protect against somebody doing make distclean or just
62 # removing pg_config.h
63 errmsg_nonclean_base = '''
65 Non-clean source code directory detected.
67 To build with meson the source tree may not have an in-place, ./configure
68 style, build configured. You can have both meson and ./configure style builds
69 for the same source tree by building out-of-source / VPATH with
70 configure. Alternatively use a separate check out for meson based builds.
74 if fs.exists(meson.current_source_dir() / 'src' / 'include' / 'pg_config.h')
75 errmsg_cleanup = 'To clean up, run make maintainer-clean in the source tree.'
76 error(errmsg_nonclean_base.format(errmsg_cleanup))
81 ###############################################################
82 # Variables to be determined
83 ###############################################################
85 postgres_inc_d = ['src/include']
86 postgres_inc_d += get_option('extra_include_dirs')
88 postgres_lib_d = get_option('extra_lib_dirs')
107 backend_both_deps = []
113 # source of data for pg_config.h etc
114 cdata = configuration_data()
118 ###############################################################
119 # Version and other metadata
120 ###############################################################
122 pg_version = meson.project_version()
124 if pg_version.endswith('devel')
125 pg_version_arr = [pg_version.split('devel')[0], '0']
126 elif pg_version.contains('beta')
127 pg_version_arr = [pg_version.split('beta')[0], '0']
128 elif pg_version.contains('rc')
129 pg_version_arr = [pg_version.split('rc')[0], '0']
131 pg_version_arr = pg_version.split('.')
134 pg_version_major = pg_version_arr[0].to_int()
135 pg_version_minor = pg_version_arr[1].to_int()
136 pg_version_num = (pg_version_major * 10000) + pg_version_minor
138 pg_url = 'https://www.postgresql.org/'
140 cdata.set_quoted('PACKAGE_NAME', 'PostgreSQL')
141 cdata.set_quoted('PACKAGE_BUGREPORT', 'pgsql-bugs@lists.postgresql.org')
142 cdata.set_quoted('PACKAGE_URL', pg_url)
143 cdata.set_quoted('PACKAGE_VERSION', pg_version)
144 cdata.set_quoted('PACKAGE_STRING', 'PostgreSQL @0@'.format(pg_version))
145 cdata.set_quoted('PACKAGE_TARNAME', 'postgresql')
147 pg_version += get_option('extra_version')
148 cdata.set_quoted('PG_VERSION', pg_version)
149 cdata.set_quoted('PG_MAJORVERSION', pg_version_major.to_string())
150 cdata.set('PG_MAJORVERSION_NUM', pg_version_major)
151 cdata.set('PG_MINORVERSION_NUM', pg_version_minor)
152 cdata.set('PG_VERSION_NUM', pg_version_num)
153 # PG_VERSION_STR is built later, it depends on compiler test results
154 cdata.set_quoted('CONFIGURE_ARGS', '')
158 ###############################################################
159 # Basic platform specific configuration
160 ###############################################################
162 # meson's system names don't quite map to our "traditional" names. In some
163 # places we need the "traditional" name, e.g., for mapping
164 # src/include/port/$os.h to src/include/pg_config_os.h. Define portname for
166 portname = host_system
168 exesuffix = '' # overridden below where necessary
169 dlsuffix = '.so' # overridden below where necessary
170 library_path_var = 'LD_LIBRARY_PATH'
172 # Format of file to control exports from libraries, and how to pass them to
173 # the compiler. For export_fmt @0@ is the path to the file export file.
174 export_file_format = 'gnu'
175 export_file_suffix = 'list'
176 export_fmt = '-Wl,--version-script=@0@'
178 # Flags to add when linking a postgres extension, @0@ is path to
179 # the relevant object on the platform.
180 mod_link_args_fmt = []
182 memset_loop_limit = 1024
184 # Choice of shared memory and semaphore implementation
188 # We implement support for some operating systems by pretending they're
189 # another. Map here, before determining system properties below
190 if host_system == 'dragonfly'
191 # apparently the most similar
192 host_system = 'netbsd'
195 if host_system == 'aix'
196 library_path_var = 'LIBPATH'
198 export_file_format = 'aix'
199 export_fmt = '-Wl,-bE:@0@'
200 mod_link_args_fmt = ['-Wl,-bI:@0@']
201 mod_link_with_dir = 'libdir'
202 mod_link_with_name = '@0@.imp'
204 # M:SRE sets a flag indicating that an object is a shared library. Seems to
205 # work in some circumstances without, but required in others.
206 ldflags_sl += '-Wl,-bM:SRE'
207 ldflags_be += '-Wl,-brtllib'
209 # Native memset() is faster, tested on:
210 # - AIX 5.1 and 5.2, XLC 6.0 (IBM's cc)
211 # - AIX 5.3 ML3, gcc 4.0.1
212 memset_loop_limit = 0
214 elif host_system == 'cygwin'
215 sema_kind = 'unnamed_posix'
216 cppflags += '-D_GNU_SOURCE'
218 mod_link_args_fmt = ['@0@']
219 mod_link_with_name = 'lib@0@.exe.a'
220 mod_link_with_dir = 'libdir'
222 elif host_system == 'darwin'
224 library_path_var = 'DYLD_LIBRARY_PATH'
226 export_file_format = 'darwin'
227 export_fmt = '-exported_symbols_list=@0@'
229 mod_link_args_fmt = ['-bundle_loader', '@0@']
230 mod_link_with_dir = 'bindir'
231 mod_link_with_name = '@0@'
233 sysroot_args = [files('src/tools/darwin_sysroot'), get_option('darwin_sysroot')]
234 pg_sysroot = run_command(sysroot_args, check:true).stdout().strip()
235 message('darwin sysroot: @0@'.format(pg_sysroot))
237 cflags += ['-isysroot', pg_sysroot]
238 ldflags += ['-isysroot', pg_sysroot]
240 # meson defaults to -Wl,-undefined,dynamic_lookup for modules, which we
241 # don't want because a) it's different from what we do for autoconf, b) it
242 # causes warnings starting in macOS Ventura
243 ldflags_mod += ['-Wl,-undefined,error']
245 elif host_system == 'freebsd'
246 sema_kind = 'unnamed_posix'
248 elif host_system == 'linux'
249 sema_kind = 'unnamed_posix'
250 cppflags += '-D_GNU_SOURCE'
252 elif host_system == 'netbsd'
253 # We must resolve all dynamic linking in the core server at program start.
254 # Otherwise the postmaster can self-deadlock due to signals interrupting
255 # resolution of calls, since NetBSD's linker takes a lock while doing that
256 # and some postmaster signal handlers do things that will also acquire that
257 # lock. As long as we need "-z now", might as well specify "-z relro" too.
258 # While there's not a hard reason to adopt these settings for our other
259 # executables, there's also little reason not to, so just add them to
261 ldflags += ['-Wl,-z,now', '-Wl,-z,relro']
263 elif host_system == 'openbsd'
266 elif host_system == 'sunos'
268 export_fmt = '-Wl,-M@0@'
269 cppflags += '-D_POSIX_PTHREAD_SEMANTICS'
271 elif host_system == 'windows'
275 library_path_var = ''
277 export_file_format = 'win'
278 export_file_suffix = 'def'
279 if cc.get_id() == 'msvc'
280 export_fmt = '/DEF:@0@'
281 mod_link_with_name = '@0@.exe.lib'
284 mod_link_with_name = 'lib@0@.exe.a'
286 mod_link_args_fmt = ['@0@']
287 mod_link_with_dir = 'libdir'
292 cdata.set('WIN32_STACK_RLIMIT', 4194304)
293 if cc.get_id() == 'msvc'
294 ldflags += '/INCREMENTAL:NO'
295 ldflags += '/STACK:@0@'.format(cdata.get('WIN32_STACK_RLIMIT'))
296 # ldflags += '/nxcompat' # generated by msbuild, should have it for ninja?
298 ldflags += '-Wl,--stack,@0@'.format(cdata.get('WIN32_STACK_RLIMIT'))
299 # Need to allow multiple definitions, we e.g. want to override getopt.
300 ldflags += '-Wl,--allow-multiple-definition'
301 # Ensure we get MSVC-like linking behavior.
302 ldflags += '-Wl,--disable-auto-import'
305 os_deps += cc.find_library('ws2_32', required: true)
306 secur32_dep = cc.find_library('secur32', required: true)
307 backend_deps += secur32_dep
308 libpq_deps += secur32_dep
310 postgres_inc_d += 'src/include/port/win32'
311 if cc.get_id() == 'msvc'
312 postgres_inc_d += 'src/include/port/win32_msvc'
315 windows = import('windows')
318 # XXX: Should we add an option to override the host_system as an escape
320 error('unknown host system: @0@'.format(host_system))
325 ###############################################################
327 ###############################################################
330 perl = find_program(get_option('PERL'), required: true, native: true)
331 python = find_program(get_option('PYTHON'), required: true, native: true)
332 flex = find_program(get_option('FLEX'), native: true, version: '>= 2.5.35')
333 bison = find_program(get_option('BISON'), native: true, version: '>= 2.3')
334 sed = find_program(get_option('SED'), 'sed', native: true)
335 prove = find_program(get_option('PROVE'), native: true, required: false)
336 tar = find_program(get_option('TAR'), native: true)
337 gzip = find_program(get_option('GZIP'), native: true)
338 program_lz4 = find_program(get_option('LZ4'), native: true, required: false)
339 openssl = find_program(get_option('OPENSSL'), native: true, required: false)
340 program_zstd = find_program(get_option('ZSTD'), native: true, required: false)
341 dtrace = find_program(get_option('DTRACE'), native: true, required: get_option('dtrace'))
342 missing = find_program('config/missing', native: true)
343 cp = find_program('cp', required: false, native: true)
344 xmllint_bin = find_program(get_option('XMLLINT'), native: true, required: false)
345 xsltproc_bin = find_program(get_option('XSLTPROC'), native: true, required: false)
349 bison_version_c = run_command(bison, '--version', check: true)
350 # bison version string helpfully is something like
351 # >>bison (GNU bison) 3.8.1<<
352 bison_version = bison_version_c.stdout().split(' ')[3].split('\n')[0]
353 if bison_version.version_compare('>=3.0')
354 bison_flags += ['-Wno-deprecated']
357 bison_cmd = [bison, bison_flags, '-o', '@OUTPUT0@', '-d', '@INPUT@']
359 'output': ['@BASENAME@.c', '@BASENAME@.h'],
360 'command': bison_cmd,
365 flex_version_c = run_command(flex, '--version', check: true)
366 flex_version = flex_version_c.stdout().split(' ')[1].split('\n')[0]
368 flex_wrapper = files('src/tools/pgflex')
369 flex_cmd = [python, flex_wrapper,
370 '--builddir', '@BUILD_ROOT@',
371 '--srcdir', '@SOURCE_ROOT@',
372 '--privatedir', '@PRIVATE_DIR@',
373 '--flex', flex, '--perl', perl,
374 '-i', '@INPUT@', '-o', '@OUTPUT0@',
377 wget = find_program('wget', required: false, native: true)
378 wget_flags = ['-O', '@OUTPUT0@', '--no-use-server-timestamps']
380 install_files = files('src/tools/install_files')
384 ###############################################################
385 # Path to meson (for tests etc)
386 ###############################################################
388 # NB: this should really be part of meson, see
389 # https://github.com/mesonbuild/meson/issues/8511
390 meson_binpath_r = run_command(python, 'src/tools/find_meson', check: true)
392 if meson_binpath_r.stdout() == ''
393 error('huh, could not run find_meson.\nerrcode: @0@\nstdout: @1@\nstderr: @2@'.format(
394 meson_binpath_r.returncode(),
395 meson_binpath_r.stdout(),
396 meson_binpath_r.stderr()))
399 meson_binpath_s = meson_binpath_r.stdout().split('\n')
400 meson_binpath_len = meson_binpath_s.length()
402 if meson_binpath_len < 1
403 error('unexpected introspect line @0@'.format(meson_binpath_r.stdout()))
410 foreach e : meson_binpath_s
421 if meson_impl not in ['muon', 'meson']
422 error('unknown meson implementation "@0@"'.format(meson_impl))
425 meson_bin = find_program(meson_binpath, native: true)
429 ###############################################################
431 ###############################################################
433 cdata.set('USE_ASSERT_CHECKING', get_option('cassert') ? 1 : false)
435 blocksize = get_option('blocksize').to_int() * 1024
437 if get_option('segsize_blocks') != 0
438 if get_option('segsize') != 1
439 warning('both segsize and segsize_blocks specified, segsize_blocks wins')
442 segsize = get_option('segsize_blocks')
444 segsize = (get_option('segsize') * 1024 * 1024 * 1024) / blocksize
447 cdata.set('BLCKSZ', blocksize, description:
448 '''Size of a disk block --- this also limits the size of a tuple. You can set
449 it bigger if you need bigger tuples (although TOAST should reduce the need
450 to have large tuples, since fields can be spread across multiple tuples).
451 BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ is
452 currently 2^15 (32768). This is determined by the 15-bit widths of the
453 lp_off and lp_len fields in ItemIdData (see include/storage/itemid.h).
454 Changing BLCKSZ requires an initdb.''')
456 cdata.set('XLOG_BLCKSZ', get_option('wal_blocksize').to_int() * 1024)
457 cdata.set('RELSEG_SIZE', segsize)
458 cdata.set('DEF_PGPORT', get_option('pgport'))
459 cdata.set_quoted('DEF_PGPORT_STR', get_option('pgport').to_string())
460 cdata.set_quoted('PG_KRB_SRVNAM', get_option('krb_srvnam'))
461 if get_option('system_tzdata') != ''
462 cdata.set_quoted('SYSTEMTZDIR', get_option('system_tzdata'))
467 ###############################################################
469 ###############################################################
471 # These are set by the equivalent --xxxdir configure options. We
472 # append "postgresql" to some of them, if the string does not already
473 # contain "pgsql" or "postgres", in order to avoid directory clutter.
477 dir_prefix = get_option('prefix')
479 dir_prefix_contains_pg = (dir_prefix.contains('pgsql') or dir_prefix.contains('postgres'))
481 dir_bin = get_option('bindir')
483 dir_data = get_option('datadir')
484 if not (dir_prefix_contains_pg or dir_data.contains('pgsql') or dir_data.contains('postgres'))
485 dir_data = dir_data / pkg
488 dir_sysconf = get_option('sysconfdir')
489 if not (dir_prefix_contains_pg or dir_sysconf.contains('pgsql') or dir_sysconf.contains('postgres'))
490 dir_sysconf = dir_sysconf / pkg
493 dir_lib = get_option('libdir')
495 dir_lib_pkg = dir_lib
496 if not (dir_prefix_contains_pg or dir_lib_pkg.contains('pgsql') or dir_lib_pkg.contains('postgres'))
497 dir_lib_pkg = dir_lib_pkg / pkg
500 dir_pgxs = dir_lib_pkg / 'pgxs'
502 dir_include = get_option('includedir')
504 dir_include_pkg = dir_include
505 dir_include_pkg_rel = ''
506 if not (dir_prefix_contains_pg or dir_include_pkg.contains('pgsql') or dir_include_pkg.contains('postgres'))
507 dir_include_pkg = dir_include_pkg / pkg
508 dir_include_pkg_rel = pkg
511 dir_man = get_option('mandir')
513 # FIXME: These used to be separately configurable - worth adding?
514 dir_doc = get_option('datadir') / 'doc' / 'postgresql'
515 dir_doc_html = dir_doc / 'html'
517 dir_locale = get_option('localedir')
521 dir_bitcode = dir_lib_pkg / 'bitcode'
522 dir_include_internal = dir_include_pkg / 'internal'
523 dir_include_server = dir_include_pkg / 'server'
524 dir_include_extension = dir_include_server / 'extension'
525 dir_data_extension = dir_data / 'extension'
529 ###############################################################
530 # Search paths, preparation for compiler tests
532 # NB: Arguments added later are not automatically used for subsequent
533 # configuration-time checks (so they are more isolated). If they should be
534 # used, they need to be added to test_c_args as well.
535 ###############################################################
537 postgres_inc = [include_directories(postgres_inc_d)]
538 test_lib_d = postgres_lib_d
539 test_c_args = cppflags + cflags
543 ###############################################################
545 ###############################################################
547 bsd_authopt = get_option('bsd_auth')
548 bsd_auth = not_found_dep
549 if cc.check_header('bsd_auth.h', required: bsd_authopt,
550 args: test_c_args, include_directories: postgres_inc)
551 cdata.set('USE_BSD_AUTH', 1)
552 bsd_auth = declare_dependency()
557 ###############################################################
560 # For now don't search for DNSServiceRegister in a library - only Apple's
561 # Bonjour implementation, which is always linked, works.
562 ###############################################################
564 bonjouropt = get_option('bonjour')
565 bonjour = not_found_dep
566 if cc.check_header('dns_sd.h', required: bonjouropt,
567 args: test_c_args, include_directories: postgres_inc) and \
568 cc.has_function('DNSServiceRegister',
569 args: test_c_args, include_directories: postgres_inc)
570 cdata.set('USE_BONJOUR', 1)
571 bonjour = declare_dependency()
576 ###############################################################
577 # Option: docs in HTML and man page format
578 ###############################################################
580 docs_opt = get_option('docs')
581 docs_dep = not_found_dep
582 if not docs_opt.disabled()
583 if xmllint_bin.found() and xsltproc_bin.found()
584 docs_dep = declare_dependency()
585 elif docs_opt.enabled()
586 error('missing required tools for docs in HTML / man page format')
592 ###############################################################
593 # Option: docs in PDF format
594 ###############################################################
596 docs_pdf_opt = get_option('docs_pdf')
597 docs_pdf_dep = not_found_dep
598 if not docs_pdf_opt.disabled()
599 fop = find_program(get_option('FOP'), native: true, required: docs_pdf_opt)
600 if xmllint_bin.found() and xsltproc_bin.found() and fop.found()
601 docs_pdf_dep = declare_dependency()
602 elif docs_pdf_opt.enabled()
603 error('missing required tools for docs in PDF format')
609 ###############################################################
611 ###############################################################
613 gssapiopt = get_option('gssapi')
616 if not gssapiopt.disabled()
617 gssapi = dependency('krb5-gssapi', required: gssapiopt)
618 have_gssapi = gssapi.found()
621 elif cc.check_header('gssapi/gssapi.h', dependencies: gssapi, required: false,
622 args: test_c_args, include_directories: postgres_inc)
623 cdata.set('HAVE_GSSAPI_GSSAPI_H', 1)
624 elif cc.check_header('gssapi.h', args: test_c_args, dependencies: gssapi, required: gssapiopt)
625 cdata.set('HAVE_GSSAPI_H', 1)
631 elif cc.check_header('gssapi/gssapi_ext.h', dependencies: gssapi, required: false,
632 args: test_c_args, include_directories: postgres_inc)
633 cdata.set('HAVE_GSSAPI_GSSAPI_EXT_H', 1)
634 elif cc.check_header('gssapi_ext.h', args: test_c_args, dependencies: gssapi, required: gssapiopt)
635 cdata.set('HAVE_GSSAPI_EXT_H', 1)
641 elif cc.has_function('gss_store_cred_into', dependencies: gssapi,
642 args: test_c_args, include_directories: postgres_inc)
643 cdata.set('ENABLE_GSS', 1)
645 krb_srvtab = 'FILE:/@0@/krb5.keytab)'.format(get_option('sysconfdir'))
646 cdata.set_quoted('PG_KRB_SRVTAB', krb_srvtab)
647 elif gssapiopt.enabled()
648 error('''could not find function 'gss_store_cred_into' required for GSSAPI''')
654 gssapi = not_found_dep
659 ###############################################################
661 ###############################################################
663 ldapopt = get_option('ldap')
664 if ldapopt.disabled()
666 ldap_r = not_found_dep
667 elif host_system == 'windows'
668 ldap = cc.find_library('wldap32', required: ldapopt)
671 # macos framework dependency is buggy for ldap (one can argue whether it's
672 # Apple's or meson's fault), leading to an endless recursion with ldap.h
673 # including itself. See https://github.com/mesonbuild/meson/issues/10002
674 # Luckily we only need pkg-config support, so the workaround isn't
676 ldap = dependency('ldap', method: 'pkg-config', required: false)
679 # Before 2.5 openldap didn't have a pkg-config file, and it might not be
682 ldap = cc.find_library('ldap', required: ldapopt, dirs: test_lib_d,
683 has_headers: 'ldap.h', header_include_directories: postgres_inc)
685 # The separate ldap_r library only exists in OpenLDAP < 2.5, and if we
686 # have 2.5 or later, we shouldn't even probe for ldap_r (we might find a
687 # library from a separate OpenLDAP installation). The most reliable
688 # way to check that is to check for a function introduced in 2.5.
690 # don't have ldap, we shouldn't check for ldap_r
691 elif cc.has_function('ldap_verify_credentials',
692 dependencies: ldap, args: test_c_args)
693 ldap_r = ldap # ldap >= 2.5, no need for ldap_r
696 # Use ldap_r for FE if available, else assume ldap is thread-safe.
697 ldap_r = cc.find_library('ldap_r', required: false, dirs: test_lib_d,
698 has_headers: 'ldap.h', header_include_directories: postgres_inc)
699 if not ldap_r.found()
702 # On some platforms ldap_r fails to link without PTHREAD_LIBS.
703 ldap_r = declare_dependency(dependencies: [ldap_r, thread_dep])
706 # PostgreSQL sometimes loads libldap_r and plain libldap into the same
707 # process. Check for OpenLDAP versions known not to tolerate doing so;
708 # assume non-OpenLDAP implementations are safe. The dblink test suite
709 # exercises the hazardous interaction directly.
710 compat_test_code = '''
712 #if !defined(LDAP_VENDOR_VERSION) || \
713 (defined(LDAP_API_FEATURE_X_OPENLDAP) && \
714 LDAP_VENDOR_VERSION >= 20424 && LDAP_VENDOR_VERSION <= 20431)
718 if not cc.compiles(compat_test_code,
719 name: 'LDAP implementation compatible',
720 dependencies: ldap, args: test_c_args)
722 *** With OpenLDAP versions 2.4.24 through 2.4.31, inclusive, each backend
723 *** process that loads libpq (via WAL receiver, dblink, or postgres_fdw) and
724 *** also uses LDAP will crash on exit.''')
729 if ldap.found() and cc.has_function('ldap_initialize',
730 dependencies: ldap, args: test_c_args)
731 cdata.set('HAVE_LDAP_INITIALIZE', 1)
736 assert(ldap_r.found())
737 cdata.set('USE_LDAP', 1)
739 assert(not ldap_r.found())
744 ###############################################################
746 ###############################################################
748 llvmopt = get_option('llvm')
750 if add_languages('cpp', required: llvmopt, native: false)
751 llvm = dependency('llvm', version: '>=3.9', method: 'config-tool', required: llvmopt)
755 cdata.set('USE_LLVM', 1)
757 cpp = meson.get_compiler('cpp')
759 llvm_binpath = llvm.get_variable(configtool: 'bindir')
761 ccache = find_program('ccache', native: true, required: false)
762 clang = find_program(llvm_binpath / 'clang', required: true)
765 message('llvm requires a C++ compiler')
770 ###############################################################
772 ###############################################################
774 icuopt = get_option('icu')
775 if not icuopt.disabled()
776 icu = dependency('icu-uc', required: icuopt)
777 icu_i18n = dependency('icu-i18n', required: icuopt)
780 cdata.set('USE_ICU', 1)
785 icu_i18n = not_found_dep
790 ###############################################################
792 ###############################################################
794 libxmlopt = get_option('libxml')
795 if not libxmlopt.disabled()
796 libxml = dependency('libxml-2.0', required: libxmlopt, version: '>= 2.6.23')
799 cdata.set('USE_LIBXML', 1)
802 libxml = not_found_dep
807 ###############################################################
809 ###############################################################
811 libxsltopt = get_option('libxslt')
812 if not libxsltopt.disabled()
813 libxslt = dependency('libxslt', required: libxsltopt)
816 cdata.set('USE_LIBXSLT', 1)
819 libxslt = not_found_dep
824 ###############################################################
826 ###############################################################
828 lz4opt = get_option('lz4')
829 if not lz4opt.disabled()
830 lz4 = dependency('liblz4', required: lz4opt)
833 cdata.set('USE_LZ4', 1)
834 cdata.set('HAVE_LIBLZ4', 1)
843 ###############################################################
844 # Library: Tcl (for pltcl)
846 # NB: tclConfig.sh is used in autoconf build for getting
847 # TCL_SHARED_BUILD, TCL_INCLUDE_SPEC, TCL_LIBS and TCL_LIB_SPEC
848 # variables. For now we have not seen a need to copy
849 # that behaviour to the meson build.
850 ###############################################################
852 tclopt = get_option('pltcl')
853 tcl_version = get_option('tcl_version')
854 tcl_dep = not_found_dep
855 if not tclopt.disabled()
858 tcl_dep = dependency(tcl_version, required: false)
860 if not tcl_dep.found()
861 tcl_dep = cc.find_library(tcl_version,
866 if not cc.has_header('tcl.h', dependencies: tcl_dep, required: tclopt)
867 tcl_dep = not_found_dep
873 ###############################################################
875 ###############################################################
877 pamopt = get_option('pam')
878 if not pamopt.disabled()
879 pam = dependency('pam', required: false)
882 pam = cc.find_library('pam', required: pamopt, dirs: test_lib_d)
886 pam_header_found = false
888 # header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.
889 if cc.check_header('security/pam_appl.h', dependencies: pam, required: false,
890 args: test_c_args, include_directories: postgres_inc)
891 cdata.set('HAVE_SECURITY_PAM_APPL_H', 1)
892 pam_header_found = true
893 elif cc.check_header('pam/pam_appl.h', dependencies: pam, required: pamopt,
894 args: test_c_args, include_directories: postgres_inc)
895 cdata.set('HAVE_PAM_PAM_APPL_H', 1)
896 pam_header_found = true
900 cdata.set('USE_PAM', 1)
911 ###############################################################
912 # Library: Perl (for plperl)
913 ###############################################################
915 perlopt = get_option('plperl')
916 perl_dep = not_found_dep
917 if not perlopt.disabled()
920 # First verify that perl has the necessary dependencies installed
921 perl_mods = run_command(
923 '-MConfig', '-MOpcode', '-MExtUtils::Embed', '-MExtUtils::ParseXS',
926 if perl_mods.returncode() != 0
927 perl_may_work = false
928 perl_msg = 'perl installation does not have the required modules'
931 # Then inquire perl about its configuration
933 perl_conf_cmd = [perl, '-MConfig', '-e', 'print $Config{$ARGV[0]}']
934 perlversion = run_command(perl_conf_cmd, 'api_versionstring', check: true).stdout()
935 archlibexp = run_command(perl_conf_cmd, 'archlibexp', check: true).stdout()
936 privlibexp = run_command(perl_conf_cmd, 'privlibexp', check: true).stdout()
937 useshrplib = run_command(perl_conf_cmd, 'useshrplib', check: true).stdout()
939 perl_inc_dir = '@0@/CORE'.format(archlibexp)
941 if perlversion.version_compare('< 5.14')
942 perl_may_work = false
943 perl_msg = 'Perl version 5.14 or later is required, but this is @0@'.format(perlversion)
944 elif useshrplib != 'true'
945 perl_may_work = false
946 perl_msg = 'need a shared perl'
951 # On most platforms, archlibexp is also where the Perl include files live ...
952 perl_ccflags = ['-I@0@'.format(perl_inc_dir)]
953 # ... but on newer macOS versions, we must use -iwithsysroot to look
955 if not fs.is_file('@0@/perl.h'.format(perl_inc_dir)) and \
956 fs.is_file('@0@@1@/perl.h'.format(pg_sysroot, perl_inc_dir))
957 perl_ccflags = ['-iwithsysroot', perl_inc_dir]
960 # check compiler finds header
961 if not cc.has_header('perl.h', required: false,
962 args: test_c_args + perl_ccflags, include_directories: postgres_inc)
963 perl_may_work = false
964 perl_msg = 'missing perl.h'
969 perl_ccflags_r = run_command(perl_conf_cmd, 'ccflags', check: true).stdout()
971 # See comments for PGAC_CHECK_PERL_EMBED_CCFLAGS in perl.m4
972 foreach flag : perl_ccflags_r.split(' ')
973 if flag.startswith('-D') and \
974 (not flag.startswith('-D_') or flag == '_USE_32BIT_TIME_T')
979 if host_system == 'windows'
980 perl_ccflags += ['-DPLPERL_HAVE_UID_GID']
982 if cc.get_id() == 'msvc'
983 # prevent binary mismatch between MSVC built plperl and Strawberry or
984 # msys ucrt perl libraries
985 perl_ccflags += ['-DNO_THREAD_SAFE_LOCALE']
989 message('CCFLAGS recommended by perl: @0@'.format(perl_ccflags_r))
990 message('CCFLAGS for embedding perl: @0@'.format(' '.join(perl_ccflags)))
992 # We are after Embed's ldopts, but without the subset mentioned in
993 # Config's ccdlflags and ldflags. (Those are the choices of those who
994 # built the Perl installation, which are not necessarily appropriate
995 # for building PostgreSQL.)
996 ldopts = run_command(perl, '-MExtUtils::Embed', '-e', 'ldopts', check: true).stdout().strip()
997 undesired = run_command(perl_conf_cmd, 'ccdlflags', check: true).stdout().split()
998 undesired += run_command(perl_conf_cmd, 'ldflags', check: true).stdout().split()
1001 foreach ldopt : ldopts.split(' ')
1002 if ldopt == '' or ldopt in undesired
1006 perl_ldopts += ldopt.strip('"')
1009 message('LDFLAGS recommended by perl: "@0@"'.format(ldopts))
1010 message('LDFLAGS for embedding perl: "@0@"'.format(' '.join(perl_ldopts)))
1012 perl_dep_int = declare_dependency(
1013 compile_args: perl_ccflags,
1014 link_args: perl_ldopts,
1015 version: perlversion,
1018 # While we're at it, check that we can link to libperl.
1019 # On most platforms, if perl.h is there then libperl.so will be too, but
1020 # at this writing Debian packages them separately.
1021 perl_link_test = '''
1024 #define __inline__ inline
1032 if not cc.links(perl_link_test, name: 'libperl',
1033 args: test_c_args + perl_ccflags + perl_ldopts,
1034 include_directories: postgres_inc)
1035 perl_may_work = false
1036 perl_msg = 'missing libperl'
1039 endif # perl_may_work
1042 perl_dep = perl_dep_int
1044 if perlopt.enabled()
1045 error('dependency plperl failed: @0@'.format(perl_msg))
1047 message('disabling optional dependency plperl: @0@'.format(perl_msg))
1054 ###############################################################
1055 # Library: Python (for plpython)
1056 ###############################################################
1058 pyopt = get_option('plpython')
1059 if not pyopt.disabled()
1060 pm = import('python')
1061 python3_inst = pm.find_installation(required: pyopt)
1062 python3_dep = python3_inst.dependency(embed: true, required: pyopt)
1063 if not cc.check_header('Python.h', dependencies: python3_dep, required: pyopt)
1064 python3_dep = not_found_dep
1067 python3_dep = not_found_dep
1072 ###############################################################
1074 ###############################################################
1076 if not get_option('readline').disabled()
1077 libedit_preferred = get_option('libedit_preferred')
1078 # Set the order of readline dependencies
1079 check_readline_deps = libedit_preferred ? \
1080 ['libedit', 'readline'] : ['readline', 'libedit']
1082 foreach readline_dep : check_readline_deps
1083 readline = dependency(readline_dep, required: false)
1084 if not readline.found()
1085 readline = cc.find_library(readline_dep,
1086 required: get_option('readline'),
1095 cdata.set('HAVE_LIBREADLINE', 1)
1098 'header_prefix': 'editline/',
1099 'flag_prefix': 'EDITLINE_',
1102 'header_prefix': 'readline/',
1103 'flag_prefix': 'READLINE_',
1106 'header_prefix': '',
1110 # Set the order of prefixes
1111 prefixes = libedit_preferred ? \
1112 [editline_prefix, default_prefix, readline_prefix] : \
1113 [readline_prefix, default_prefix, editline_prefix]
1115 at_least_one_header_found = false
1116 foreach header : ['history', 'readline']
1118 foreach prefix : prefixes
1119 header_file = '@0@@1@.h'.format(prefix['header_prefix'], header)
1120 # Check history.h and readline.h
1121 if not is_found and cc.has_header(header_file,
1122 args: test_c_args, include_directories: postgres_inc,
1123 dependencies: [readline], required: false)
1124 if header == 'readline'
1125 readline_h = header_file
1127 cdata.set('HAVE_@0@@1@_H'.format(prefix['flag_prefix'], header).to_upper(), 1)
1129 at_least_one_header_found = true
1134 if not at_least_one_header_found
1135 error('''readline header not found
1136 If you have @0@ already installed, see meson-log/meson-log.txt for details on the
1137 failure. It is possible the compiler isn't looking in the proper directory.
1138 Use -Dreadline=disabled to disable readline support.'''.format(readline_dep))
1143 'history_truncate_file',
1144 'rl_completion_matches',
1145 'rl_filename_completion_function',
1146 'rl_reset_screen_size',
1150 foreach func : check_funcs
1151 found = cc.has_function(func, dependencies: [readline],
1152 args: test_c_args, include_directories: postgres_inc)
1153 cdata.set('HAVE_' + func.to_upper(), found ? 1 : false)
1157 'rl_completion_suppress_quote',
1158 'rl_filename_quote_characters',
1159 'rl_filename_quoting_function',
1162 foreach var : check_vars
1163 cdata.set('HAVE_' + var.to_upper(),
1164 cc.has_header_symbol(readline_h, var,
1165 args: test_c_args, include_directories: postgres_inc,
1166 prefix: '#include <stdio.h>',
1167 dependencies: [readline]) ? 1 : false)
1170 # If found via cc.find_library() ensure headers are found when using the
1171 # dependency. On meson < 0.57 one cannot do compiler checks using the
1172 # dependency returned by declare_dependency(), so we can't do this above.
1173 if readline.type_name() == 'library'
1174 readline = declare_dependency(dependencies: readline,
1175 include_directories: postgres_inc)
1178 # On windows with mingw readline requires auto-import to successfully
1179 # link, as the headers don't use declspec(dllimport)
1180 if host_system == 'windows' and cc.get_id() != 'msvc'
1181 readline = declare_dependency(dependencies: readline,
1182 link_args: '-Wl,--enable-auto-import')
1186 # XXX: Figure out whether to implement mingw warning equivalent
1188 readline = not_found_dep
1193 ###############################################################
1195 ###############################################################
1197 selinux = not_found_dep
1198 selinuxopt = get_option('selinux')
1199 if meson.version().version_compare('>=0.59')
1200 selinuxopt = selinuxopt.disable_auto_if(host_system != 'linux')
1202 selinux = dependency('libselinux', required: selinuxopt, version: '>= 2.1.10')
1203 cdata.set('HAVE_LIBSELINUX',
1204 selinux.found() ? 1 : false)
1208 ###############################################################
1210 ###############################################################
1212 systemd = not_found_dep
1213 systemdopt = get_option('systemd')
1214 if meson.version().version_compare('>=0.59')
1215 systemdopt = systemdopt.disable_auto_if(host_system != 'linux')
1217 systemd = dependency('libsystemd', required: systemdopt)
1218 cdata.set('USE_SYSTEMD', systemd.found() ? 1 : false)
1222 ###############################################################
1224 ###############################################################
1227 ssl_library = 'none'
1228 sslopt = get_option('ssl')
1230 if sslopt == 'auto' and auto_features.disabled()
1234 if sslopt in ['auto', 'openssl']
1235 openssl_required = (sslopt == 'openssl')
1237 # Try to find openssl via pkg-config et al, if that doesn't work
1238 # (e.g. because it's provided as part of the OS, like on FreeBSD), look for
1239 # the library names that we know about.
1241 # via pkg-config et al
1242 ssl = dependency('openssl', required: false)
1243 # only meson >= 0.57 supports declare_dependency() in cc.has_function(), so
1244 # we pass cc.find_library() results if necessary
1247 # via library + headers
1249 ssl_lib = cc.find_library('ssl',
1251 header_include_directories: postgres_inc,
1252 has_headers: ['openssl/ssl.h', 'openssl/err.h'],
1253 required: openssl_required)
1254 crypto_lib = cc.find_library('crypto',
1256 required: openssl_required)
1257 if ssl_lib.found() and crypto_lib.found()
1258 ssl_int = [ssl_lib, crypto_lib]
1259 ssl = declare_dependency(dependencies: ssl_int, include_directories: postgres_inc)
1261 elif cc.has_header('openssl/ssl.h', args: test_c_args, dependencies: ssl, required: openssl_required) and \
1262 cc.has_header('openssl/err.h', args: test_c_args, dependencies: ssl, required: openssl_required)
1270 ['CRYPTO_new_ex_data', {'required': true}],
1271 ['SSL_new', {'required': true}],
1273 # Function introduced in OpenSSL 1.0.2, not in LibreSSL.
1274 ['SSL_CTX_set_cert_cb'],
1276 # Functions introduced in OpenSSL 1.1.0. We used to check for
1277 # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
1278 # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
1279 # doesn't have these OpenSSL 1.1.0 functions. So check for individual
1281 ['OPENSSL_init_ssl'],
1284 ['ASN1_STRING_get0_data'],
1288 # OpenSSL versions before 1.1.0 required setting callback functions, for
1289 # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
1290 # function was removed.
1293 # Function introduced in OpenSSL 1.1.1
1294 ['X509_get_signature_info'],
1297 are_openssl_funcs_complete = true
1298 foreach c : check_funcs
1300 val = cc.has_function(func, args: test_c_args, dependencies: ssl_int)
1301 required = c.get(1, {}).get('required', false)
1302 if required and not val
1303 are_openssl_funcs_complete = false
1305 error('openssl function @0@ is required'.format(func))
1309 cdata.set('HAVE_' + func.to_upper(), val ? 1 : false)
1313 if are_openssl_funcs_complete
1314 cdata.set('USE_OPENSSL', 1,
1315 description: 'Define to 1 to build with OpenSSL support. (-Dssl=openssl)')
1316 cdata.set('OPENSSL_API_COMPAT', '0x10002000L',
1317 description: 'Define to the OpenSSL API version in use. This avoids deprecation warnings from newer OpenSSL versions.')
1318 ssl_library = 'openssl'
1325 if sslopt == 'auto' and auto_features.enabled() and not ssl.found()
1326 error('no SSL library found')
1331 ###############################################################
1333 ###############################################################
1335 uuidopt = get_option('uuid')
1336 if uuidopt != 'none'
1337 uuidname = uuidopt.to_upper()
1338 if uuidopt == 'e2fs'
1339 uuid = dependency('uuid', required: true)
1340 uuidfunc = 'uuid_generate'
1341 uuidheader = 'uuid/uuid.h'
1342 elif uuidopt == 'bsd'
1343 # libc should have uuid function
1344 uuid = declare_dependency()
1345 uuidfunc = 'uuid_to_string'
1346 uuidheader = 'uuid.h'
1347 elif uuidopt == 'ossp'
1348 uuid = dependency('ossp-uuid', required: true)
1349 uuidfunc = 'uuid_export'
1350 uuidheader = 'uuid.h'
1352 error('unknown uuid build option value: @0@'.format(uuidopt))
1355 if not cc.has_header_symbol(uuidheader, uuidfunc, args: test_c_args, dependencies: uuid)
1356 error('uuid library @0@ missing required function @1@'.format(uuidopt, uuidfunc))
1358 cdata.set('HAVE_@0@'.format(uuidheader.underscorify().to_upper()), 1)
1360 cdata.set('HAVE_UUID_@0@'.format(uuidname), 1,
1361 description: 'Define to 1 if you have @0@ UUID support.'.format(uuidname))
1363 uuid = not_found_dep
1368 ###############################################################
1370 ###############################################################
1372 zlibopt = get_option('zlib')
1373 zlib = not_found_dep
1374 if not zlibopt.disabled()
1375 zlib_t = dependency('zlib', required: zlibopt)
1377 if zlib_t.type_name() == 'internal'
1378 # if fallback was used, we don't need to test if headers are present (they
1379 # aren't built yet, so we can't test)
1381 elif not zlib_t.found()
1382 warning('did not find zlib')
1383 elif not cc.has_header('zlib.h',
1384 args: test_c_args, include_directories: postgres_inc,
1385 dependencies: [zlib_t], required: zlibopt)
1386 warning('zlib header not found')
1392 cdata.set('HAVE_LIBZ', 1)
1398 ###############################################################
1399 # Library: tap test dependencies
1400 ###############################################################
1402 # Check whether tap tests are enabled or not
1403 tap_tests_enabled = false
1404 tapopt = get_option('tap_tests')
1405 if not tapopt.disabled()
1406 # Checking for perl modules for tap tests
1407 perl_ipc_run_check = run_command(perl, 'config/check_modules.pl', check: false)
1408 if perl_ipc_run_check.returncode() != 0
1409 message(perl_ipc_run_check.stderr().strip())
1411 error('Additional Perl modules are required to run TAP tests.')
1413 warning('Additional Perl modules are required to run TAP tests.')
1416 tap_tests_enabled = true
1422 ###############################################################
1424 ###############################################################
1426 zstdopt = get_option('zstd')
1427 if not zstdopt.disabled()
1428 zstd = dependency('libzstd', required: zstdopt, version: '>=1.4.0')
1431 cdata.set('USE_ZSTD', 1)
1432 cdata.set('HAVE_LIBZSTD', 1)
1436 zstd = not_found_dep
1441 ###############################################################
1443 ###############################################################
1445 # Do we need -std=c99 to compile C99 code? We don't want to add -std=c99
1446 # unnecessarily, because we optionally rely on newer features.
1448 #include <stdbool.h>
1449 #include <complex.h>
1451 #include <inttypes.h>
1453 struct named_init_test {
1458 extern void structfunc(struct named_init_test);
1460 int main(int argc, char **argv)
1462 struct named_init_test nit = {
1467 for (int loop_var = 0; loop_var < 3; loop_var++)
1472 structfunc((struct named_init_test){1, 0});
1478 if not cc.compiles(c99_test, name: 'c99', args: test_c_args)
1479 if cc.compiles(c99_test, name: 'c99 with -std=c99',
1480 args: test_c_args + ['-std=c99'])
1481 test_c_args += '-std=c99'
1482 cflags += '-std=c99'
1484 error('C compiler does not support C99')
1488 sizeof_long = cc.sizeof('long', args: test_c_args)
1489 cdata.set('SIZEOF_LONG', sizeof_long)
1491 cdata.set('HAVE_LONG_INT_64', 1)
1492 cdata.set('PG_INT64_TYPE', 'long int')
1493 cdata.set_quoted('INT64_MODIFIER', 'l')
1494 elif sizeof_long == 4 and cc.sizeof('long long', args: test_c_args) == 8
1495 cdata.set('HAVE_LONG_LONG_INT_64', 1)
1496 cdata.set('PG_INT64_TYPE', 'long long int')
1497 cdata.set_quoted('INT64_MODIFIER', 'll')
1499 error('do not know how to get a 64bit int')
1502 if host_machine.endian() == 'big'
1503 cdata.set('WORDS_BIGENDIAN', 1)
1506 alignof_types = ['short', 'int', 'long', 'double']
1508 foreach t : alignof_types
1509 align = cc.alignment(t, args: test_c_args)
1513 cdata.set('ALIGNOF_@0@'.format(t.to_upper()), align)
1515 cdata.set('MAXIMUM_ALIGNOF', maxalign)
1517 cdata.set('SIZEOF_VOID_P', cc.sizeof('void *', args: test_c_args))
1518 cdata.set('SIZEOF_SIZE_T', cc.sizeof('size_t', args: test_c_args))
1521 # Check if __int128 is a working 128 bit integer type, and if so
1522 # define PG_INT128_TYPE to that typename.
1524 # This currently only detects a GCC/clang extension, but support for other
1525 # environments may be added in the future.
1527 # For the moment we only test for support for 128bit math; support for
1528 # 128bit literals and snprintf is not required.
1531 * We don't actually run this test, just link it to verify that any support
1532 * functions needed for __int128 are present.
1534 * These are globals to discourage the compiler from folding all the
1535 * arithmetic tests down to compile-time constants. We do not have
1536 * convenient support for 128bit literals at this point...
1538 __int128 a = 48828125;
1539 __int128 b = 97656250;
1544 a = (a << 12) + 1; /* 200000000001 */
1545 b = (b << 12) + 5; /* 400000000005 */
1546 /* try the most relevant arithmetic ops */
1549 /* must use the results, else compiler may optimize arithmetic away */
1555 buggy_int128 = false
1557 # Use of non-default alignment with __int128 tickles bugs in some compilers.
1558 # If not cross-compiling, we can test for bugs and disable use of __int128
1559 # with buggy compilers. If cross-compiling, hope for the best.
1560 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83925
1561 if not meson.is_cross_build()
1563 /* This must match the corresponding code in c.h: */
1564 #if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__IBMC__)
1565 #define pg_attribute_aligned(a) __attribute__((aligned(a)))
1566 #elif defined(_MSC_VER)
1567 #define pg_attribute_aligned(a) __declspec(align(a))
1569 typedef __int128 int128a
1570 #if defined(pg_attribute_aligned)
1571 pg_attribute_aligned(8)
1576 void pass_by_val(void *buffer, int128a par) { holder = par; }
1580 long int i64 = 97656225L << 12;
1582 pass_by_val(main, (int128a) i64);
1586 name: '__int128 alignment bug',
1588 assert(r.compiled())
1589 if r.returncode() != 0
1591 message('__int128 support present but buggy and thus disabled')
1596 cdata.set('PG_INT128_TYPE', '__int128')
1597 cdata.set('ALIGNOF_PG_INT128_TYPE', cc.alignment('__int128', args: test_c_args))
1602 # Check if the C compiler knows computed gotos (gcc extension, also
1603 # available in at least clang). If so, define HAVE_COMPUTED_GOTO.
1605 # Checking whether computed gotos are supported syntax-wise ought to
1606 # be enough, as the syntax is otherwise illegal.
1608 static inline int foo(void)
1610 void *labeladdrs[] = {&&my_label};
1611 goto *labeladdrs[0];
1616 cdata.set('HAVE_COMPUTED_GOTO', 1)
1620 # Check if the C compiler understands _Static_assert(),
1621 # and define HAVE__STATIC_ASSERT if so.
1623 # We actually check the syntax ({ _Static_assert(...) }), because we need
1624 # gcc-style compound expressions to be able to wrap the thing into macros.
1626 int main(int arg, char **argv)
1628 ({ _Static_assert(1, "foo"); });
1632 cdata.set('HAVE__STATIC_ASSERT', 1)
1636 # We use <stdbool.h> if we have it and it declares type bool as having
1637 # size 1. Otherwise, c.h will fall back to declaring bool as unsigned char.
1638 if cc.has_type('_Bool', args: test_c_args) \
1639 and cc.has_type('bool', prefix: '#include <stdbool.h>', args: test_c_args) \
1640 and cc.sizeof('bool', prefix: '#include <stdbool.h>', args: test_c_args) == 1
1641 cdata.set('HAVE__BOOL', 1)
1642 cdata.set('PG_USE_STDBOOL', 1)
1646 # Need to check a call with %m because netbsd supports gnu_printf but emits a
1647 # warning for each use of %m.
1648 printf_attributes = ['gnu_printf', '__syslog__', 'printf']
1650 extern void emit_log(int ignore, const char *fmt,...) __attribute__((format(@0@, 2,3)));
1651 static void call_log(void)
1653 emit_log(0, "error: %s: %m", "foo");
1656 attrib_error_args = cc.get_supported_arguments('-Werror=format', '-Werror=ignored-attributes')
1657 foreach a : printf_attributes
1658 if cc.compiles(testsrc.format(a),
1659 args: test_c_args + attrib_error_args, name: 'format ' + a)
1660 cdata.set('PG_PRINTF_ATTRIBUTE', a)
1666 if cc.has_function_attribute('visibility:default') and \
1667 cc.has_function_attribute('visibility:hidden')
1668 cdata.set('HAVE_VISIBILITY_ATTRIBUTE', 1)
1670 # Only newer versions of meson know not to apply gnu_symbol_visibility =
1671 # inlineshidden to C code as well... And either way, we want to put these
1672 # flags into exported files (pgxs, .pc files).
1673 cflags_mod += '-fvisibility=hidden'
1674 cxxflags_mod += ['-fvisibility=hidden', '-fvisibility-inlines-hidden']
1675 ldflags_mod += '-fvisibility=hidden'
1679 # Check if various builtins exist. Some builtins are tested separately,
1680 # because we want to test something more complicated than the generic case.
1693 foreach builtin : builtins
1694 fname = '__builtin_@0@'.format(builtin)
1695 if cc.has_function(fname, args: test_c_args)
1696 cdata.set('HAVE@0@'.format(fname.to_upper()), 1)
1701 # Check if the C compiler understands __builtin_types_compatible_p,
1702 # and define HAVE__BUILTIN_TYPES_COMPATIBLE_P if so.
1704 # We check usage with __typeof__, though it's unlikely any compiler would
1705 # have the former and not the latter.
1708 static int y[__builtin_types_compatible_p(__typeof__(x), int)];
1710 name: '__builtin_types_compatible_p',
1712 cdata.set('HAVE__BUILTIN_TYPES_COMPATIBLE_P', 1)
1716 # Check if the C compiler understands __builtin_$op_overflow(),
1717 # and define HAVE__BUILTIN_OP_OVERFLOW if so.
1719 # Check for the most complicated case, 64 bit multiplication, as a
1720 # proxy for all of the operations. To detect the case where the compiler
1721 # knows the function but library support is missing, we must link not just
1722 # compile, and store the results in global variables so the compiler doesn't
1723 # optimize away the call.
1731 return __builtin_mul_overflow(a, b, &result);
1733 name: '__builtin_mul_overflow',
1734 args: test_c_args + ['-DINT64=@0@'.format(cdata.get('PG_INT64_TYPE'))],
1736 cdata.set('HAVE__BUILTIN_OP_OVERFLOW', 1)
1740 # XXX: The configure.ac check for __cpuid() is broken, we don't copy that
1741 # here. To prevent problems due to two detection methods working, stop
1742 # checking after one.
1745 int main(int arg, char **argv)
1747 unsigned int exx[4] = {0, 0, 0, 0};
1748 __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
1750 ''', name: '__get_cpuid',
1752 cdata.set('HAVE__GET_CPUID', 1)
1755 int main(int arg, char **argv)
1757 unsigned int exx[4] = {0, 0, 0, 0};
1760 ''', name: '__cpuid',
1762 cdata.set('HAVE__CPUID', 1)
1766 # Defend against clang being used on x86-32 without SSE2 enabled. As current
1767 # versions of clang do not understand -fexcess-precision=standard, the use of
1768 # x87 floating point operations leads to problems like isinf possibly returning
1769 # false for a value that is infinite when converted from the 80bit register to
1770 # the 8byte memory representation.
1772 # Only perform the test if the compiler doesn't understand
1773 # -fexcess-precision=standard, that way a potentially fixed compiler will work
1775 if '-fexcess-precision=standard' not in cflags
1776 if not cc.compiles('''
1777 #if defined(__clang__) && defined(__i386__) && !defined(__SSE2_MATH__)
1780 name: '', args: test_c_args)
1781 error('Compiling PostgreSQL with clang, on 32bit x86, requires SSE2 support. Use -msse2 or use gcc.')
1787 ###############################################################
1789 ###############################################################
1791 common_functional_flags = [
1792 # Disable strict-aliasing rules; needed for gcc 3.3+
1793 '-fno-strict-aliasing',
1794 # Disable optimizations that assume no overflow; needed for gcc 4.3+
1796 '-fexcess-precision=standard',
1799 cflags += cc.get_supported_arguments(common_functional_flags)
1801 cxxflags += cpp.get_supported_arguments(common_functional_flags)
1804 vectorize_cflags = cc.get_supported_arguments(['-ftree-vectorize'])
1805 unroll_loops_cflags = cc.get_supported_arguments(['-funroll-loops'])
1807 common_warning_flags = [
1808 '-Wmissing-prototypes',
1810 # Really don't want VLAs to be used in our dialect of C
1812 # On macOS, complain about usage of symbols newer than the deployment target
1813 '-Werror=unguarded-availability-new',
1815 '-Wmissing-format-attribute',
1816 '-Wimplicit-fallthrough=3',
1817 '-Wcast-function-type',
1818 '-Wshadow=compatible-local',
1819 # This was included in -Wall/-Wformat in older GCC versions
1820 '-Wformat-security',
1823 cflags_warn += cc.get_supported_arguments(common_warning_flags)
1825 cxxflags_warn += cpp.get_supported_arguments(common_warning_flags)
1828 # A few places with imported code get a pass on -Wdeclaration-after-statement, remember
1829 # the result for them
1830 cflags_no_decl_after_statement = []
1831 if cc.has_argument('-Wdeclaration-after-statement')
1832 cflags_warn += '-Wdeclaration-after-statement'
1833 cflags_no_decl_after_statement += '-Wno-declaration-after-statement'
1837 # The following tests want to suppress various unhelpful warnings by adding
1838 # -Wno-foo switches. But gcc won't complain about unrecognized -Wno-foo
1839 # switches, so we have to test for the positive form and if that works,
1840 # add the negative form.
1842 negative_warning_flags = [
1843 # Suppress clang's unhelpful unused-command-line-argument warnings.
1844 'unused-command-line-argument',
1846 # Remove clang 12+'s compound-token-split-by-macro, as this causes a lot
1847 # of warnings when building plperl because of usages in the Perl headers.
1848 'compound-token-split-by-macro',
1850 # Similarly disable useless truncation warnings from gcc 8+
1851 'format-truncation',
1852 'stringop-truncation',
1854 # Suppress clang 16's strict warnings about function casts
1855 'cast-function-type-strict',
1857 # To make warning_level=2 / -Wextra work, we'd need at least the following
1859 # 'missing-field-initializers',
1861 # 'unused-parameter',
1864 foreach w : negative_warning_flags
1865 if cc.has_argument('-W' + w)
1866 cflags_warn += '-Wno-' + w
1868 if llvm.found() and cpp.has_argument('-W' + w)
1869 cxxflags_warn += '-Wno-' + w
1875 if cc.get_id() == 'msvc'
1877 '/wd4018', # signed/unsigned mismatch
1878 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
1879 '/wd4273', # inconsistent DLL linkage
1880 '/wd4101', # unreferenced local variable
1881 '/wd4102', # unreferenced label
1882 '/wd4090', # different 'modifier' qualifiers
1883 '/wd4267', # conversion from 'size_t' to 'type', possible loss of data
1891 '/D_CRT_SECURE_NO_DEPRECATE',
1892 '/D_CRT_NONSTDC_NO_DEPRECATE',
1895 # We never need export libraries. As link.exe reports their creation, they
1896 # are unnecessarily noisy. Similarly, we don't need import library for
1897 # modules, we only import them dynamically, and they're also noisy.
1899 ldflags_mod += '/NOIMPLIB'
1904 ###############################################################
1906 ###############################################################
1908 if not get_option('spinlocks')
1909 warning('Not using spinlocks will cause poor performance')
1911 cdata.set('HAVE_SPINLOCKS', 1)
1914 if not get_option('atomics')
1915 warning('Not using atomics will cause poor performance')
1917 # XXX: perhaps we should require some atomics support in this case these
1919 cdata.set('HAVE_ATOMICS', 1)
1922 {'name': 'HAVE_GCC__SYNC_CHAR_TAS',
1923 'desc': '__sync_lock_test_and_set(char)',
1926 __sync_lock_test_and_set(&lock, 1);
1927 __sync_lock_release(&lock);'''},
1929 {'name': 'HAVE_GCC__SYNC_INT32_TAS',
1930 'desc': '__sync_lock_test_and_set(int32)',
1933 __sync_lock_test_and_set(&lock, 1);
1934 __sync_lock_release(&lock);'''},
1936 {'name': 'HAVE_GCC__SYNC_INT32_CAS',
1937 'desc': '__sync_val_compare_and_swap(int32)',
1940 __sync_val_compare_and_swap(&val, 0, 37);'''},
1942 {'name': 'HAVE_GCC__SYNC_INT64_CAS',
1943 'desc': '__sync_val_compare_and_swap(int64)',
1946 __sync_val_compare_and_swap(&val, 0, 37);'''},
1948 {'name': 'HAVE_GCC__ATOMIC_INT32_CAS',
1949 'desc': ' __atomic_compare_exchange_n(int32)',
1953 __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);'''},
1955 {'name': 'HAVE_GCC__ATOMIC_INT64_CAS',
1956 'desc': ' __atomic_compare_exchange_n(int64)',
1960 __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);'''},
1963 foreach check : atomic_checks
1968 }'''.format(check['test'])
1970 cdata.set(check['name'],
1972 name: check['desc'],
1973 args: test_c_args + ['-DINT64=@0@'.format(cdata.get('PG_INT64_TYPE'))]) ? 1 : false
1981 ###############################################################
1982 # Select CRC-32C implementation.
1984 # If we are targeting a processor that has Intel SSE 4.2 instructions, we can
1985 # use the special CRC instructions for calculating CRC-32C. If we're not
1986 # targeting such a processor, but we can nevertheless produce code that uses
1987 # the SSE intrinsics, perhaps with some extra CFLAGS, compile both
1988 # implementations and select which one to use at runtime, depending on whether
1989 # SSE 4.2 is supported by the processor we're running on.
1991 # Similarly, if we are targeting an ARM processor that has the CRC
1992 # instructions that are part of the ARMv8 CRC Extension, use them. And if
1993 # we're not targeting such a processor, but can nevertheless produce code that
1994 # uses the CRC instructions, compile both, and select at runtime.
1995 ###############################################################
1997 have_optimized_crc = false
1999 if host_cpu == 'x86' or host_cpu == 'x86_64'
2001 if cc.get_id() == 'msvc'
2002 cdata.set('USE_SSE42_CRC32C', false)
2003 cdata.set('USE_SSE42_CRC32C_WITH_RUNTIME_CHECK', 1)
2004 have_optimized_crc = true
2008 #include <nmmintrin.h>
2012 unsigned int crc = 0;
2013 crc = _mm_crc32_u8(crc, 0);
2014 crc = _mm_crc32_u32(crc, 0);
2015 /* return computed value, to prevent the above being optimized away */
2020 if cc.links(prog, name: '_mm_crc32_u8 and _mm_crc32_u32 without -msse4.2',
2022 # Use Intel SSE 4.2 unconditionally.
2023 cdata.set('USE_SSE42_CRC32C', 1)
2024 have_optimized_crc = true
2025 elif cc.links(prog, name: '_mm_crc32_u8 and _mm_crc32_u32 with -msse4.2',
2026 args: test_c_args + ['-msse4.2'])
2027 # Use Intel SSE 4.2, with runtime check. The CPUID instruction is needed for
2028 # the runtime check.
2029 cflags_crc += '-msse4.2'
2030 cdata.set('USE_SSE42_CRC32C', false)
2031 cdata.set('USE_SSE42_CRC32C_WITH_RUNTIME_CHECK', 1)
2032 have_optimized_crc = true
2037 elif host_cpu == 'arm' or host_cpu == 'aarch64'
2040 #include <arm_acle.h>
2044 unsigned int crc = 0;
2045 crc = __crc32cb(crc, 0);
2046 crc = __crc32ch(crc, 0);
2047 crc = __crc32cw(crc, 0);
2048 crc = __crc32cd(crc, 0);
2050 /* return computed value, to prevent the above being optimized away */
2055 if cc.links(prog, name: '__crc32cb, __crc32ch, __crc32cw, and __crc32cd without -march=armv8-a+crc',
2057 # Use ARM CRC Extension unconditionally
2058 cdata.set('USE_ARMV8_CRC32C', 1)
2059 have_optimized_crc = true
2060 elif cc.links(prog, name: '__crc32cb, __crc32ch, __crc32cw, and __crc32cd with -march=armv8-a+crc',
2061 args: test_c_args + ['-march=armv8-a+crc'])
2062 # Use ARM CRC Extension, with runtime check
2063 cflags_crc += '-march=armv8-a+crc'
2064 cdata.set('USE_ARMV8_CRC32C', false)
2065 cdata.set('USE_ARMV8_CRC32C_WITH_RUNTIME_CHECK', 1)
2066 have_optimized_crc = true
2069 elif host_cpu == 'loongarch64'
2074 unsigned int crc = 0;
2075 crc = __builtin_loongarch_crcc_w_b_w(0, crc);
2076 crc = __builtin_loongarch_crcc_w_h_w(0, crc);
2077 crc = __builtin_loongarch_crcc_w_w_w(0, crc);
2078 crc = __builtin_loongarch_crcc_w_d_w(0, crc);
2080 /* return computed value, to prevent the above being optimized away */
2085 if cc.links(prog, name: '__builtin_loongarch_crcc_w_b_w, __builtin_loongarch_crcc_w_h_w, __builtin_loongarch_crcc_w_w_w, and __builtin_loongarch_crcc_w_d_w',
2087 # Use LoongArch CRC instruction unconditionally
2088 cdata.set('USE_LOONGARCH_CRC32C', 1)
2089 have_optimized_crc = true
2094 if not have_optimized_crc
2095 # fall back to slicing-by-8 algorithm, which doesn't require any special CPU
2097 cdata.set('USE_SLICING_BY_8_CRC32C', 1)
2102 ###############################################################
2103 # Other CPU specific stuff
2104 ###############################################################
2106 if host_cpu == 'x86_64'
2111 long long x = 1; long long r;
2112 __asm__ __volatile__ (" popcntq %1,%0\n" : "=q"(r) : "rm"(x));
2114 name: '@0@: popcntq instruction'.format(host_cpu),
2116 cdata.set('HAVE_X86_64_POPCNTQ', 1)
2119 elif host_cpu == 'ppc' or host_cpu == 'ppc64'
2120 # Check if compiler accepts "i"(x) when __builtin_constant_p(x).
2121 if cdata.has('HAVE__BUILTIN_CONSTANT_P')
2124 addi(int ra, int si)
2127 if (__builtin_constant_p(si))
2128 __asm__ __volatile__(
2129 " addi %0,%1,%2\n" : "=r"(res) : "b"(ra), "i"(si));
2132 int test_adds(int x) { return addi(3, x) + addi(x, 5); }
2135 cdata.set('HAVE_I_CONSTRAINT__BUILTIN_CONSTANT_P', 1)
2142 ###############################################################
2143 # Library / OS tests
2144 ###############################################################
2146 # XXX: Might be worth conditioning some checks on the OS, to avoid doing
2147 # unnecessary checks over and over, particularly on windows.
2161 'sys/personality.h',
2170 foreach header : header_checks
2171 varname = 'HAVE_' + header.underscorify().to_upper()
2173 # Emulate autoconf behaviour of not-found->undef, found->1
2174 found = cc.has_header(header,
2175 include_directories: postgres_inc, args: test_c_args)
2176 cdata.set(varname, found ? 1 : false,
2177 description: 'Define to 1 if you have the <@0@> header file.'.format(header))
2182 ['F_FULLFSYNC', 'fcntl.h'],
2183 ['fdatasync', 'unistd.h'],
2184 ['posix_fadvise', 'fcntl.h'],
2185 ['strlcat', 'string.h'],
2186 ['strlcpy', 'string.h'],
2187 ['strnlen', 'string.h'],
2190 # Need to check for function declarations for these functions, because
2191 # checking for library symbols wouldn't handle deployment target
2192 # restrictions on macOS
2194 ['preadv', 'sys/uio.h'],
2195 ['pwritev', 'sys/uio.h'],
2198 foreach c : decl_checks
2202 varname = 'HAVE_DECL_' + func.underscorify().to_upper()
2204 found = cc.has_header_symbol(header, func,
2205 args: test_c_args, include_directories: postgres_inc,
2207 cdata.set10(varname, found, description:
2208 '''Define to 1 if you have the declaration of `@0@', and to 0 if you
2209 don't.'''.format(func))
2213 if cc.has_type('struct option',
2214 args: test_c_args, include_directories: postgres_inc,
2215 prefix: '@0@'.format(cdata.get('HAVE_GETOPT_H')) == '1' ? '#include <getopt.h>' : '')
2216 cdata.set('HAVE_STRUCT_OPTION', 1)
2220 foreach c : ['opterr', 'optreset']
2221 varname = 'HAVE_INT_' + c.underscorify().to_upper()
2230 '''.format(c), name: c, args: test_c_args)
2231 cdata.set(varname, 1)
2233 cdata.set(varname, false)
2237 if cc.has_type('socklen_t',
2238 args: test_c_args, include_directories: postgres_inc,
2240 #include <sys/socket.h>''')
2241 cdata.set('HAVE_SOCKLEN_T', 1)
2244 if cc.has_member('struct sockaddr', 'sa_len',
2245 args: test_c_args, include_directories: postgres_inc,
2247 #include <sys/types.h>
2248 #include <sys/socket.h>''')
2249 cdata.set('HAVE_STRUCT_SOCKADDR_SA_LEN', 1)
2252 if cc.has_member('struct tm', 'tm_zone',
2253 args: test_c_args, include_directories: postgres_inc,
2255 #include <sys/types.h>
2258 cdata.set('HAVE_STRUCT_TM_TM_ZONE', 1)
2263 extern int foo(void);
2266 return timezone / 60;
2269 name: 'global variable `timezone\' exists',
2270 args: test_c_args, include_directories: postgres_inc)
2271 cdata.set('HAVE_INT_TIMEZONE', 1)
2273 cdata.set('HAVE_INT_TIMEZONE', false)
2276 if cc.has_type('union semun',
2278 include_directories: postgres_inc,
2280 #include <sys/types.h>
2281 #include <sys/ipc.h>
2282 #include <sys/sem.h>
2284 cdata.set('HAVE_UNION_SEMUN', 1)
2292 switch (strerror_r(1, buf, sizeof(buf)))
2293 { case 0: break; default: break; }
2296 args: test_c_args, include_directories: postgres_inc)
2297 cdata.set('STRERROR_R_INT', 1)
2299 cdata.set('STRERROR_R_INT', false)
2302 # Find the right header file for the locale_t type. macOS needs xlocale.h;
2303 # standard is locale.h, but glibc <= 2.25 also had an xlocale.h file that
2304 # we should not use so we check the standard header first. MSVC has a
2305 # replacement defined in src/include/port/win32_port.h.
2306 if not cc.has_type('locale_t', prefix: '#include <locale.h>') and \
2307 cc.has_type('locale_t', prefix: '#include <xlocale.h>')
2308 cdata.set('LOCALE_T_IN_XLOCALE', 1)
2311 # Check if the C compiler understands typeof or a variant. Define
2312 # HAVE_TYPEOF if so, and define 'typeof' to the actual key word.
2313 foreach kw : ['typeof', '__typeof__', 'decltype']
2324 args: test_c_args, include_directories: postgres_inc)
2326 cdata.set('HAVE_TYPEOF', 1)
2328 cdata.set('typeof', kw)
2336 # Try to find a declaration for wcstombs_l(). It might be in stdlib.h
2337 # (following the POSIX requirement for wcstombs()), or in locale.h, or in
2338 # xlocale.h. If it's in the latter, define WCSTOMBS_L_IN_XLOCALE.
2339 wcstombs_l_test = '''
2351 if (not cc.compiles(wcstombs_l_test.format(''),
2352 name: 'wcstombs_l') and
2353 cc.compiles(wcstombs_l_test.format('#include <xlocale.h>'),
2354 name: 'wcstombs_l in xlocale.h'))
2355 cdata.set('WCSTOMBS_L_IN_XLOCALE', 1)
2359 # MSVC doesn't cope well with defining restrict to __restrict, the spelling it
2360 # understands, because it conflicts with __declspec(restrict). Therefore we
2361 # define pg_restrict to the appropriate definition, which presumably won't
2364 # We assume C99 support, so we don't need to make this conditional.
2366 # XXX: Historically we allowed platforms to disable restrict in template
2367 # files, but that was only added for AIX when building with XLC, which we
2368 # don't support yet.
2369 cdata.set('pg_restrict', '__restrict')
2372 # Most libraries are included only if they demonstrably provide a function we
2373 # need, but libm is an exception: always include it, because there are too
2374 # many compilers that play cute optimization games that will break probes for
2375 # standard functions such as pow().
2376 os_deps += cc.find_library('m', required: false)
2378 rt_dep = cc.find_library('rt', required: false)
2380 dl_dep = cc.find_library('dl', required: false)
2382 util_dep = cc.find_library('util', required: false)
2384 getopt_dep = cc.find_library('getopt', required: false)
2385 gnugetopt_dep = cc.find_library('gnugetopt', required: false)
2386 # Check if we want to replace getopt/getopt_long even if provided by the system
2387 # - Mingw has adopted a GNU-centric interpretation of optind/optreset,
2388 # so always use our version on Windows
2389 # - On OpenBSD and Solaris, getopt() doesn't do what we want for long options
2390 # (i.e., allow '-' as a flag character), so use our version on those platforms
2391 # - We want to use system's getopt_long() only if the system provides struct
2393 always_replace_getopt = host_system in ['windows', 'cygwin', 'openbsd', 'solaris']
2394 always_replace_getopt_long = host_system in ['windows', 'cygwin'] or not cdata.has('HAVE_STRUCT_OPTION')
2397 execinfo_dep = cc.find_library('execinfo', required: false)
2399 if host_system == 'cygwin'
2400 cygipc_dep = cc.find_library('cygipc', required: false)
2402 cygipc_dep = not_found_dep
2405 if host_system == 'sunos'
2406 socket_dep = cc.find_library('socket', required: false)
2408 socket_dep = not_found_dep
2411 # XXX: Might be worth conditioning some checks on the OS, to avoid doing
2412 # unnecessary checks over and over, particularly on windows.
2414 ['_configthreadlocale', {'skip': host_system != 'windows'}],
2415 ['backtrace_symbols', {'dependencies': [execinfo_dep]}],
2416 ['clock_gettime', {'dependencies': [rt_dep], 'define': false}],
2418 # gcc/clang's sanitizer helper library provides dlopen but not dlsym, thus
2419 # when enabling asan the dlopen check doesn't notice that -ldl is actually
2420 # required. Just checking for dlsym() ought to suffice.
2421 ['dlsym', {'dependencies': [dl_dep], 'define': false}],
2424 ['getopt', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt}],
2425 ['getopt_long', {'dependencies': [getopt_dep, gnugetopt_dep], 'skip': always_replace_getopt_long}],
2435 ['posix_fallocate'],
2438 ['pthread_barrier_wait', {'dependencies': [thread_dep]}],
2439 ['pthread_is_threaded_np', {'dependencies': [thread_dep]}],
2440 ['sem_init', {'dependencies': [rt_dep, thread_dep], 'skip': sema_kind != 'unnamed_posix', 'define': false}],
2441 ['setproctitle', {'dependencies': [util_dep]}],
2442 ['setproctitle_fast'],
2443 ['shm_open', {'dependencies': [rt_dep], 'define': false}],
2444 ['shm_unlink', {'dependencies': [rt_dep], 'define': false}],
2445 ['shmget', {'dependencies': [cygipc_dep], 'define': false}],
2446 ['socket', {'dependencies': [socket_dep], 'define': false}],
2448 ['strerror_r', {'dependencies': [thread_dep]}],
2453 ['sync_file_range'],
2459 func_check_results = {}
2460 foreach c : func_checks
2462 kwargs = c.get(1, {})
2463 deps = kwargs.get('dependencies', [])
2465 if kwargs.get('skip', false)
2469 found = cc.has_function(func, args: test_c_args)
2476 found = cc.has_function(func, args: test_c_args,
2477 dependencies: [dep])
2485 func_check_results += {func: found}
2487 if kwargs.get('define', true)
2488 # Emulate autoconf behaviour of not-found->undef, found->1
2489 cdata.set('HAVE_' + func.underscorify().to_upper(),
2491 description: 'Define to 1 if you have the `@0@\' function.'.format(func))
2496 if cc.has_function('syslog', args: test_c_args) and \
2497 cc.check_header('syslog.h', args: test_c_args)
2498 cdata.set('HAVE_SYSLOG', 1)
2502 # if prerequisites for unnamed posix semas aren't fulfilled, fall back to sysv
2504 if sema_kind == 'unnamed_posix' and \
2505 not func_check_results.get('sem_init', false)
2509 cdata.set('USE_@0@_SHARED_MEMORY'.format(shmem_kind.to_upper()), 1)
2510 cdata.set('USE_@0@_SEMAPHORES'.format(sema_kind.to_upper()), 1)
2512 cdata.set('MEMSET_LOOP_LIMIT', memset_loop_limit)
2513 cdata.set_quoted('DLSUFFIX', dlsuffix)
2516 # built later than the rest of the version metadata, we need SIZEOF_VOID_P
2517 cdata.set_quoted('PG_VERSION_STR',
2518 'PostgreSQL @0@ on @1@-@2@, compiled by @3@-@4@, @5@-bit'.format(
2519 pg_version, host_machine.cpu_family(), host_system,
2520 cc.get_id(), cc.version(), cdata.get('SIZEOF_VOID_P') * 8,
2525 ###############################################################
2527 ###############################################################
2529 nlsopt = get_option('nls')
2530 libintl = not_found_dep
2532 if not nlsopt.disabled()
2533 # otherwise there'd be lots of
2534 # "Gettext not found, all translation (po) targets will be ignored."
2535 # warnings if not found.
2536 msgfmt = find_program('msgfmt', required: nlsopt, native: true)
2538 # meson 0.59 has this wrapped in dependency('intl')
2539 if (msgfmt.found() and
2540 cc.check_header('libintl.h', required: nlsopt,
2541 args: test_c_args, include_directories: postgres_inc))
2544 if cc.has_function('ngettext')
2545 libintl = declare_dependency()
2547 libintl = cc.find_library('intl',
2548 has_headers: ['libintl.h'], required: nlsopt,
2549 header_include_directories: postgres_inc,
2555 i18n = import('i18n')
2556 cdata.set('ENABLE_NLS', 1)
2562 ###############################################################
2564 ###############################################################
2566 # Set up compiler / linker arguments to be used everywhere, individual targets
2567 # can add further args directly, or indirectly via dependencies
2568 add_project_arguments(cflags, language: ['c'])
2569 add_project_arguments(cppflags, language: ['c'])
2570 add_project_arguments(cflags_warn, language: ['c'])
2571 add_project_arguments(cxxflags, language: ['cpp'])
2572 add_project_arguments(cppflags, language: ['cpp'])
2573 add_project_arguments(cxxflags_warn, language: ['cpp'])
2574 add_project_link_arguments(ldflags, language: ['c', 'cpp'])
2577 # Collect a number of lists of things while recursing through the source
2578 # tree. Later steps then can use those.
2580 # list of targets for various alias targets
2581 backend_targets = []
2584 contrib_targets = []
2585 testprep_targets = []
2589 # Define the tests to distribute them to the correct test styles later
2594 # Default options for targets
2596 # First identify rpaths
2597 bin_install_rpaths = []
2598 lib_install_rpaths = []
2599 mod_install_rpaths = []
2602 # Don't add rpaths on darwin for now - as long as only absolute references to
2603 # libraries are needed, absolute LC_ID_DYLIB ensures libraries can be found in
2604 # their final destination.
2605 if host_system != 'darwin'
2606 # Add absolute path to libdir to rpath. This ensures installed binaries /
2607 # libraries find our libraries (mainly libpq).
2608 bin_install_rpaths += dir_prefix / dir_lib
2609 lib_install_rpaths += dir_prefix / dir_lib
2610 mod_install_rpaths += dir_prefix / dir_lib
2612 # Add extra_lib_dirs to rpath. This ensures we find libraries we depend on.
2614 # Not needed on darwin even if we use relative rpaths for our own libraries,
2615 # as the install_name of libraries in extra_lib_dirs will point to their
2617 bin_install_rpaths += postgres_lib_d
2618 lib_install_rpaths += postgres_lib_d
2619 mod_install_rpaths += postgres_lib_d
2623 # Define arguments for default targets
2625 default_target_args = {
2626 'implicit_include_directories': false,
2630 default_lib_args = default_target_args + {
2634 internal_lib_args = default_lib_args + {
2635 'build_by_default': false,
2639 default_mod_args = default_lib_args + {
2641 'install_dir': dir_lib_pkg,
2644 default_bin_args = default_target_args + {
2645 'install_dir': dir_bin,
2648 if get_option('rpath')
2649 default_lib_args += {
2650 'install_rpath': ':'.join(lib_install_rpaths),
2653 default_mod_args += {
2654 'install_rpath': ':'.join(mod_install_rpaths),
2657 default_bin_args += {
2658 'install_rpath': ':'.join(bin_install_rpaths),
2663 # Helper for exporting a limited number of symbols
2664 gen_export_kwargs = {
2665 'input': 'exports.txt',
2666 'output': '@BASENAME@.'+export_file_suffix,
2667 'command': [perl, files('src/tools/gen_export.pl'),
2668 '--format', export_file_format,
2669 '--input', '@INPUT0@', '--output', '@OUTPUT0@'],
2670 'build_by_default': false,
2677 ### Helpers for custom targets used across the tree
2680 catalog_pm = files('src/backend/catalog/Catalog.pm')
2681 perfect_hash_pm = files('src/tools/PerfectHash.pm')
2682 gen_kwlist_deps = [perfect_hash_pm]
2684 perl, '-I', '@SOURCE_ROOT@/src/tools',
2685 files('src/tools/gen_keywordlist.pl'),
2686 '--output', '@OUTDIR@', '@INPUT@']
2691 ### windows resources related stuff
2694 if host_system == 'windows'
2695 pg_ico = meson.source_root() / 'src' / 'port' / 'win32.ico'
2696 win32ver_rc = files('src/port/win32ver.rc')
2697 rcgen = find_program('src/tools/rcgen', native: true)
2700 '--srcdir', '@SOURCE_DIR@',
2701 '--builddir', meson.build_root(),
2702 '--rcout', '@OUTPUT0@',
2703 '--out', '@OUTPUT1@',
2704 '--input', '@INPUT@',
2708 if cc.get_argument_syntax() == 'msvc'
2709 rc = find_program('rc', required: true)
2710 rcgen_base_args += ['--rc', rc.path()]
2711 rcgen_outputs = ['@BASENAME@.rc', '@BASENAME@.res']
2713 windres = find_program('windres', required: true)
2714 rcgen_base_args += ['--windres', windres.path()]
2715 rcgen_outputs = ['@BASENAME@.rc', '@BASENAME@.obj']
2718 # msbuild backend doesn't support this atm
2719 if meson.backend() == 'ninja'
2720 rcgen_base_args += ['--depfile', '@DEPFILE@']
2723 rcgen_bin_args = rcgen_base_args + [
2724 '--VFT_TYPE', 'VFT_APP',
2725 '--FILEENDING', 'exe',
2729 rcgen_lib_args = rcgen_base_args + [
2730 '--VFT_TYPE', 'VFT_DLL',
2731 '--FILEENDING', 'dll',
2734 rc_bin_gen = generator(rcgen,
2735 depfile: '@BASENAME@.d',
2736 arguments: rcgen_bin_args,
2737 output: rcgen_outputs,
2740 rc_lib_gen = generator(rcgen,
2741 depfile: '@BASENAME@.d',
2742 arguments: rcgen_lib_args,
2743 output: rcgen_outputs,
2749 # headers that the whole build tree depends on
2750 generated_headers = []
2751 # headers that the backend build depends on
2752 generated_backend_headers = []
2753 # configure_files() output, needs a way of converting to file names
2754 configure_files = []
2756 # generated files that might conflict with a partial in-tree autoconf build
2757 generated_sources = []
2758 # same, for paths that differ between autoconf / meson builds
2759 # elements are [dir, [files]]
2760 generated_sources_ac = {}
2763 # First visit src/include - all targets creating headers are defined
2764 # within. That makes it easy to add the necessary dependencies for the
2765 # subsequent build steps.
2767 subdir('src/include')
2771 # Then through src/port and src/common, as most other things depend on them
2773 frontend_port_code = declare_dependency(
2774 compile_args: ['-DFRONTEND'],
2775 include_directories: [postgres_inc],
2776 dependencies: os_deps,
2779 backend_port_code = declare_dependency(
2780 compile_args: ['-DBUILDING_DLL'],
2781 include_directories: [postgres_inc],
2782 sources: [errcodes], # errcodes.h is needed due to use of ereport
2783 dependencies: os_deps,
2788 frontend_common_code = declare_dependency(
2789 compile_args: ['-DFRONTEND'],
2790 include_directories: [postgres_inc],
2791 sources: generated_headers,
2792 dependencies: [os_deps, zlib, zstd],
2795 backend_common_code = declare_dependency(
2796 compile_args: ['-DBUILDING_DLL'],
2797 include_directories: [postgres_inc],
2798 sources: generated_headers,
2799 dependencies: [os_deps, zlib, zstd],
2802 subdir('src/common')
2804 # all shared libraries should depend on shlib_code
2805 shlib_code = declare_dependency(
2806 link_args: ldflags_sl,
2809 # all static libraries not part of the backend should depend on this
2810 frontend_stlib_code = declare_dependency(
2811 include_directories: [postgres_inc],
2812 link_with: [common_static, pgport_static],
2813 sources: generated_headers,
2814 dependencies: [os_deps, libintl],
2817 # all shared libraries not part of the backend should depend on this
2818 frontend_shlib_code = declare_dependency(
2819 include_directories: [postgres_inc],
2820 link_with: [common_shlib, pgport_shlib],
2821 sources: generated_headers,
2822 dependencies: [shlib_code, os_deps, libintl],
2825 # Dependencies both for static and shared libpq
2835 subdir('src/interfaces/libpq')
2836 # fe_utils depends on libpq
2837 subdir('src/fe_utils')
2839 # for frontend binaries
2840 frontend_code = declare_dependency(
2841 include_directories: [postgres_inc],
2842 link_with: [fe_utils, common_static, pgport_static],
2843 sources: generated_headers,
2844 dependencies: [os_deps, libintl],
2847 backend_both_deps += [
2864 backend_mod_deps = backend_both_deps + os_deps
2866 backend_code = declare_dependency(
2867 compile_args: ['-DBUILDING_DLL'],
2868 include_directories: [postgres_inc],
2869 link_args: ldflags_be,
2871 sources: generated_headers + generated_backend_headers,
2872 dependencies: os_deps + backend_both_deps + backend_deps,
2875 # install these files only during test, not main install
2876 test_install_data = []
2877 test_install_libs = []
2879 # src/backend/meson.build defines backend_mod_code used for extension
2883 # Then through the main sources. That way contrib can have dependencies on
2884 # main sources. Note that this explicitly doesn't enter src/test, right now a
2885 # few regression tests depend on contrib files.
2892 subdir('src/interfaces/libpq/test')
2893 subdir('src/interfaces/ecpg/test')
2895 subdir('doc/src/sgml')
2897 generated_sources_ac += {'': ['GNUmakefile']}
2899 # After processing src/test, add test_install_libs to the testprep_targets
2901 testprep_targets += test_install_libs
2904 # If there are any files in the source directory that we also generate in the
2905 # build directory, they might get preferred over the newly generated files,
2906 # e.g. because of a #include "file", which always will search in the current
2908 message('checking for file conflicts between source and build directory')
2909 conflicting_files = []
2910 potentially_conflicting_files_t = []
2911 potentially_conflicting_files_t += generated_headers
2912 potentially_conflicting_files_t += generated_backend_headers
2913 potentially_conflicting_files_t += generated_backend_sources
2914 potentially_conflicting_files_t += generated_sources
2916 potentially_conflicting_files = []
2918 # convert all sources of potentially conflicting files into uniform shape
2919 foreach t : potentially_conflicting_files_t
2920 potentially_conflicting_files += t.full_path()
2922 foreach t : configure_files
2924 potentially_conflicting_files += meson.current_build_dir() / t
2926 foreach sub, fnames : generated_sources_ac
2927 sub = meson.build_root() / sub
2928 foreach fname : fnames
2929 potentially_conflicting_files += sub / fname
2933 # find and report conflicting files
2934 foreach build_path : potentially_conflicting_files
2935 build_path = host_system == 'windows' ? fs.as_posix(build_path) : build_path
2936 # str.replace is in 0.56
2937 src_path = meson.current_source_dir() / build_path.split(meson.current_build_dir() / '')[1]
2938 if fs.exists(src_path) or fs.is_symlink(src_path)
2939 conflicting_files += src_path
2942 # XXX: Perhaps we should generate a file that would clean these up? The list
2944 if conflicting_files.length() > 0
2945 errmsg_cleanup = '''
2946 Conflicting files in source directory:
2949 The conflicting files need to be removed, either by removing the files listed
2950 above, or by running configure and then make maintainer-clean.
2952 errmsg_cleanup = errmsg_cleanup.format(' '.join(conflicting_files))
2953 error(errmsg_nonclean_base.format(errmsg_cleanup))
2958 ###############################################################
2960 ###############################################################
2963 # We want to define additional install targets beyond what meson provides. For
2964 # that we need to define targets depending on nearly everything. We collected
2965 # the results of i18n.gettext() invocations into nls_targets, that also
2966 # includes maintainer targets though. Collect the ones we want as a dependency.
2968 # i18n.gettext() doesn't return the dependencies before 0.60 - but the gettext
2969 # generation happens during install, so that's not a real issue.
2971 if libintl.found() and meson.version().version_compare('>=0.60')
2972 # use range() to avoid the flattening of the list that foreach() would do
2973 foreach off : range(0, nls_targets.length())
2974 # i18n.gettext() list containing 1) list of built .mo files 2) maintainer
2975 # -pot target 3) maintainer -pot target
2976 nls_mo_targets += nls_targets[off][0]
2978 alias_target('nls', nls_mo_targets)
2993 # Meson's default install target is quite verbose. Provide one that is quiet.
2994 install_quiet = custom_target('install-quiet',
2995 output: 'install-quiet',
2996 build_always_stale: true,
2997 build_by_default: false,
2998 command: [meson_bin, meson_args, 'install', '--quiet', '--no-rebuild'],
3002 # Target to install files used for tests, which aren't installed by default
3003 install_test_files_args = [
3005 '--prefix', dir_prefix,
3006 '--install', contrib_data_dir, test_install_data,
3007 '--install', dir_lib_pkg, test_install_libs,
3009 run_target('install-test-files',
3010 command: [python] + install_test_files_args,
3011 depends: testprep_targets,
3016 ###############################################################
3018 ###############################################################
3020 # DESTDIR for the installation we'll run tests in
3021 test_install_destdir = meson.build_root() / 'tmp_install/'
3023 # DESTDIR + prefix appropriately munged
3024 if build_system != 'windows'
3025 # On unixoid systems this is trivial, we just prepend the destdir
3026 assert(dir_prefix.startswith('/')) # enforced by meson
3027 test_install_location = '@0@@1@'.format(test_install_destdir, dir_prefix)
3029 # drives, drive-relative paths, etc make this complicated on windows, call
3030 # into a copy of meson's logic for it
3033 'import sys; from pathlib import PurePath; d1=sys.argv[1]; d2=sys.argv[2]; print(str(PurePath(d1, *PurePath(d2).parts[1:])))',
3034 test_install_destdir, dir_prefix]
3035 test_install_location = run_command(command, check: true).stdout().strip()
3038 meson_install_args = meson_args + ['install'] + {
3039 'meson': ['--quiet', '--only-changed', '--no-rebuild'],
3043 # setup tests should be run first,
3044 # so define priority for these
3045 setup_tests_priority = 100
3047 meson_bin, args: meson_install_args ,
3048 env: {'DESTDIR':test_install_destdir},
3049 priority: setup_tests_priority,
3054 test('install_test_files',
3056 args: install_test_files_args + ['--destdir', test_install_destdir],
3057 priority: setup_tests_priority,
3061 test_result_dir = meson.build_root() / 'testrun'
3064 # XXX: pg_regress doesn't assign unique ports on windows. To avoid the
3065 # inevitable conflicts from running tests in parallel, hackishly assign
3066 # different ports for different tests.
3070 test_env = environment()
3072 temp_install_bindir = test_install_location / get_option('bindir')
3073 test_env.set('PG_REGRESS', pg_regress.full_path())
3074 test_env.set('REGRESS_SHLIB', regress_module.full_path())
3076 # Test suites that are not safe by default but can be run if selected
3077 # by the user via the whitespace-separated list in variable PG_TEST_EXTRA.
3078 # Export PG_TEST_EXTRA so it can be checked in individual tap tests.
3079 test_env.set('PG_TEST_EXTRA', get_option('PG_TEST_EXTRA'))
3081 # Add the temporary installation to the library search path on platforms where
3082 # that works (everything but windows, basically). On windows everything
3083 # library-like gets installed into bindir, solving that issue.
3084 if library_path_var != ''
3085 test_env.prepend(library_path_var, test_install_location / get_option('libdir'))
3090 ###############################################################
3092 ###############################################################
3094 # When using a meson version understanding exclude_suites, define a
3095 # 'tmp_install' test setup (the default) that excludes tests running against a
3096 # pre-existing install and a 'running' setup that conflicts with creation of
3097 # the temporary installation and tap tests (which don't support running
3098 # against a running server).
3102 if meson.version().version_compare('>=0.57')
3105 runningcheck = false
3108 testwrap = files('src/tools/testwrap')
3110 foreach test_dir : tests
3113 '--basedir', meson.build_root(),
3114 '--srcdir', test_dir['sd'],
3117 foreach kind, v : test_dir
3118 if kind in ['sd', 'bd', 'name']
3124 if kind in ['regress', 'isolation', 'ecpg']
3125 if kind == 'regress'
3127 fallback_dbname = 'regression_@0@'
3128 elif kind == 'isolation'
3129 runner = pg_isolation_regress
3130 fallback_dbname = 'isolation_regression_@0@'
3132 runner = pg_regress_ecpg
3133 fallback_dbname = 'ecpg_regression_@0@'
3136 test_group = test_dir['name']
3137 test_group_running = test_dir['name'] + '-running'
3139 test_output = test_result_dir / test_group / kind
3140 test_output_running = test_result_dir / test_group_running/ kind
3142 # Unless specified by the test, choose a non-conflicting database name,
3143 # to avoid conflicts when running against existing server.
3144 dbname = t.get('dbname',
3145 fallback_dbname.format(test_dir['name']))
3147 test_command_base = [
3149 '--inputdir', t.get('inputdir', test_dir['sd']),
3150 '--expecteddir', t.get('expecteddir', test_dir['sd']),
3152 '--dlpath', test_dir['bd'],
3153 '--max-concurrent-tests=20',
3155 ] + t.get('regress_args', [])
3158 if t.has_key('schedule')
3159 test_selection += ['--schedule', t['schedule'],]
3162 if kind == 'isolation'
3163 test_selection += t.get('specs', [])
3165 test_selection += t.get('sql', [])
3169 env.prepend('PATH', temp_install_bindir, test_dir['bd'])
3175 'depends': test_deps + t.get('deps', []),
3177 } + t.get('test_kwargs', {})
3179 test(test_group / kind,
3183 '--testgroup', test_group,
3187 '--outputdir', test_output,
3188 '--temp-instance', test_output / 'tmp_check',
3189 '--port', testport.to_string(),
3193 kwargs: test_kwargs,
3195 install_suites += test_group
3197 # some tests can't support running against running DB
3198 if runningcheck and t.get('runningcheck', true)
3199 test(test_group_running / kind,
3203 '--testgroup', test_group_running,
3207 '--outputdir', test_output_running,
3210 is_parallel: t.get('runningcheck-parallel', true),
3211 suite: test_group_running,
3212 kwargs: test_kwargs,
3214 running_suites += test_group_running
3219 if not tap_tests_enabled
3225 '-I', meson.source_root() / 'src/test/perl',
3226 '-I', test_dir['sd'],
3229 # Add temporary install, the build directory for non-installed binaries and
3230 # also test/ for non-installed test binaries built separately.
3232 env.prepend('PATH', temp_install_bindir, test_dir['bd'], test_dir['bd'] / 'test')
3234 foreach name, value : t.get('env', {})
3235 env.set(name, value)
3238 test_group = test_dir['name']
3241 'suite': test_group,
3243 'depends': test_deps + t.get('deps', []),
3245 } + t.get('test_kwargs', {})
3247 foreach onetap : t['tests']
3248 # Make tap test names prettier, remove t/ and .pl
3250 if onetap_p.startswith('t/')
3251 onetap_p = onetap.split('t/')[1]
3253 if onetap_p.endswith('.pl')
3254 onetap_p = fs.stem(onetap_p)
3257 test(test_dir['name'] / onetap_p,
3259 kwargs: test_kwargs,
3260 args: testwrap_base + [
3261 '--testgroup', test_dir['name'],
3262 '--testname', onetap_p,
3264 test_dir['sd'] / onetap,
3268 install_suites += test_group
3270 error('unknown kind @0@ of test in @1@'.format(kind, test_dir['sd']))
3273 endforeach # kinds of tests
3275 endforeach # directories with tests
3277 # repeat condition so meson realizes version dependency
3278 if meson.version().version_compare('>=0.57')
3279 add_test_setup('tmp_install',
3281 exclude_suites: running_suites)
3282 add_test_setup('running',
3283 exclude_suites: ['setup'] + install_suites)
3288 ###############################################################
3290 ###############################################################
3292 alias_target('backend', backend_targets)
3293 alias_target('bin', bin_targets + [libpq_st])
3294 alias_target('pl', pl_targets)
3295 alias_target('contrib', contrib_targets)
3296 alias_target('testprep', testprep_targets)
3297 alias_target('install-world', install_quiet, installdocs)
3301 ###############################################################
3302 # The End, The End, My Friend
3303 ###############################################################
3305 if meson.version().version_compare('>=0.57')
3309 'data block size': '@0@ kB'.format(cdata.get('BLCKSZ') / 1024),
3310 'WAL block size': '@0@ kB'.format(cdata.get('XLOG_BLCKSZ') / 1024),
3311 'segment size': get_option('segsize_blocks') != 0 ?
3312 '@0@ blocks'.format(cdata.get('RELSEG_SIZE')) :
3313 '@0@ GB'.format(get_option('segsize')),
3315 section: 'Data layout',
3320 'host system': '@0@ @1@'.format(host_system, host_cpu),
3321 'build system': '@0@ @1@'.format(build_machine.system(),
3322 build_machine.cpu_family()),
3329 'linker': '@0@'.format(cc.get_linker_id()),
3330 'C compiler': '@0@ @1@'.format(cc.get_id(), cc.version()),
3332 section: 'Compiler',
3337 'CPP FLAGS': ' '.join(cppflags),
3338 'C FLAGS, functional': ' '.join(cflags),
3339 'C FLAGS, warnings': ' '.join(cflags_warn),
3340 'C FLAGS, modules': ' '.join(cflags_mod),
3341 'C FLAGS, user specified': ' '.join(get_option('c_args')),
3342 'LD FLAGS': ' '.join(ldflags + get_option('c_link_args')),
3344 section: 'Compiler Flags',
3350 'C++ compiler': '@0@ @1@'.format(cpp.get_id(), cpp.version()),
3352 section: 'Compiler',
3357 'C++ FLAGS, functional': ' '.join(cxxflags),
3358 'C++ FLAGS, warnings': ' '.join(cxxflags_warn),
3359 'C++ FLAGS, user specified': ' '.join(get_option('cpp_args')),
3361 section: 'Compiler Flags',
3367 'bison': '@0@ @1@'.format(bison.full_path(), bison_version),
3369 'flex': '@0@ @1@'.format(flex.full_path(), flex_version),
3371 section: 'Programs',
3377 'bsd_auth': bsd_auth,
3379 'docs_pdf': docs_pdf_dep,
3391 'plpython': python3_dep,
3393 'readline': readline,
3400 section: 'External libraries',