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meson.build
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# Copyright (c) 2022-2024, 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: '17.4',
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 distclean 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 = ['-Werror']
cxxflags = ['-Werror']
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_percona_ver = '1'
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 += ' - Percona Server for PostgreSQL ' + pg_version_major.to_string() + '.' + pg_version_minor.to_string() + '.' + pg_percona_ver
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 on compiler test results
cdata.set_quoted('CONFIGURE_ARGS', '')
###############################################################
# Basic platform specific configuration
###############################################################
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'
elif host_system == 'android'
# while android isn't quite a normal linux, it seems close enough
# for our purposes so far
host_system = 'linux'
endif
# 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
if host_system == 'cygwin'
sema_kind = 'unnamed_posix'
cppflags += '-D_GNU_SOURCE'
dlsuffix = '.dll'
mod_link_args_fmt = ['@0@']
mod_link_with_name = 'lib@0@.a'
mod_link_with_dir = 'libdir'
elif host_system == 'darwin'
dlsuffix = '.dylib'
library_path_var = 'DYLD_LIBRARY_PATH'
export_file_format = 'darwin'
export_fmt = '-Wl,-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 in macOS Ventura. But using -Wl,-undefined,error causes a
# warning starting in Sonoma. So only add -Wl,-undefined,error if it does
# not cause a warning.
if cc.has_multi_link_arguments('-Wl,-undefined,error', '-Werror')
ldflags_mod += '-Wl,-undefined,error'
endif
# Starting in Sonoma, the linker warns about the same library being
# linked twice. Which can easily happen when multiple dependencies
# depend on the same library. Quiesce the ill considered warning.
ldflags += cc.get_supported_link_arguments('-Wl,-no_warn_duplicate_libraries')
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@.lib'
else
export_fmt = '@0@'
mod_link_with_name = 'lib@0@.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, required: false)
prove = find_program(get_option('PROVE'), native: true, required: false)
tar = find_program(get_option('TAR'), native: true, required: false)
gzip = find_program(get_option('GZIP'), native: true, required: false)
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 = []
if flex.found()
flex_version_c = run_command(flex, '--version', check: true)
flex_version = flex_version_c.stdout().split(' ')[1].split('\n')[0]
endif
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.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)
cdata.set('USE_INJECTION_POINTS', get_option('injection_points') ? 1 : false)
cdata.set('PERCONA_EXT', get_option('percona_ext') ? 1 : false)
percona_ext = get_option('percona_ext')
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'
if not (dir_prefix_contains_pg or dir_doc.contains('pgsql') or dir_doc.contains('postgres'))
dir_doc = dir_doc / pkg
endif
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'
dir_doc_extension = dir_doc / '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, prefix: '#include <sys/types.h>',
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 = not_found_dep
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 (xmllint and xsltproc needed) 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: false)
have_gssapi = gssapi.found()
if have_gssapi
gssapi_deps = [gssapi]
elif not have_gssapi
# Hardcoded lookup for gssapi. This is necessary as gssapi on windows does
# not install neither pkg-config nor cmake dependency information.
if host_system == 'windows'
is_64 = cc.sizeof('void *', args: test_c_args) == 8
if is_64
gssapi_search_libs = ['gssapi64', 'krb5_64', 'comerr64']
else
gssapi_search_libs = ['gssapi32', 'krb5_32', 'comerr32']
endif
else
gssapi_search_libs = ['gssapi_krb5']
endif
gssapi_deps = []
foreach libname : gssapi_search_libs
lib = cc.find_library(libname, dirs: test_lib_d, required: false)
if lib.found()
have_gssapi = true
gssapi_deps += lib
endif
endforeach
if have_gssapi
# Meson before 0.57.0 did not support using check_header() etc with
# declare_dependency(). Thus the tests below use the library looked up
# above. Once we require a newer meson version, we can simplify.
gssapi = declare_dependency(dependencies: gssapi_deps)
endif
endif
if not have_gssapi
elif cc.check_header('gssapi/gssapi.h', dependencies: gssapi_deps, required: false,
args: test_c_args, include_directories: postgres_inc)
cdata.set('HAVE_GSSAPI_GSSAPI_H', 1)
elif cc.check_header('gssapi.h', dependencies: gssapi_deps, required: gssapiopt,
args: test_c_args, include_directories: postgres_inc)
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_deps, 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', dependencies: gssapi_deps, required: gssapiopt,
args: test_c_args, include_directories: postgres_inc)
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_deps,
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
if not have_gssapi and gssapiopt.enabled()
error('dependency lookup for gssapi failed')
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 <ldap.h>
#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
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')
llvm = not_found_dep
if add_languages('cpp', required: llvmopt, native: false)
llvm = dependency('llvm', version: '>=10', method: 'config-tool', required: llvmopt, static: true)
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)
# Some distros put LLVM and clang in different paths, so fallback to
# find via PATH, too.
clang = find_program(llvm_binpath / 'clang', 'clang', required: true)
endif
elif llvmopt.auto()
message('llvm requires a C++ compiler')
endif
###############################################################
# Library: icu
###############################################################
icuopt = get_option('icu')
if not icuopt.disabled()
icu = dependency('icu-uc', required: false)
if icu.found()
icu_i18n = dependency('icu-i18n', required: true)
endif
# Unfortunately the dependency is named differently with cmake
if not icu.found() # combine with above once meson 0.60.0 is required
icu = dependency('ICU', required: icuopt,
components: ['uc'], modules: ['ICU::uc'], method: 'cmake')
if icu.found()
icu_i18n = dependency('ICU', required: true,
components: ['i18n'], modules: ['ICU::i18n'])
endif
endif
if icu.found()
cdata.set('USE_ICU', 1)
else
icu_i18n = not_found_dep
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: false, version: '>= 2.6.23')
# Unfortunately the dependency is named differently with cmake
if not libxml.found() # combine with above once meson 0.60.0 is required
libxml = dependency('LibXml2', required: libxmlopt, version: '>= 2.6.23',
method: 'cmake')
endif
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: false)
# Unfortunately the dependency is named differently with cmake
if not libxslt.found() # combine with above once meson 0.60.0 is required
libxslt = dependency('LibXslt', required: libxsltopt, method: 'cmake')
endif
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: false)
# Unfortunately the dependency is named differently with cmake
if not lz4.found() # combine with above once meson 0.60.0 is required
lz4 = dependency('lz4', required: lz4opt,
method: 'cmake', modules: ['LZ4::lz4_shared'],
)
endif
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 <security/pam_appl.h> or <pam/pam_appl.h> 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',