mirror of
https://github.com/postgres/postgres.git
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e5555657ba
This substantially speeds up building for windows, due to the vast amount of headers included via windows.h. A cross build from linux targetting mingw goes from 994.11user 136.43system 0:31.58elapsed 3579%CPU to 422.41user 89.05system 0:14.35elapsed 3562%CPU The wins on windows are similar-ish (but I don't have a system at hand just now for actual numbers). Targetting other operating systems the wins are far smaller (tested linux, macOS, FreeBSD). For now precompiled headers are disabled by default, it's not clear how well they work on all platforms. E.g. on FreeBSD gcc doesn't seem to have working support, but clang does. When doing a full build precompiled headers are only beneficial for targets with multiple .c files, as meson builds a separate precompiled header for each target (so that different compilation options take effect). This commit therefore only changes target with at least two .c files to use precompiled headers. Because this commit adds b_pch=false to the default_options new build directories will have precompiled headers disabled by default, however existing build directories will continue use the default value of b_pch, which is true. Note that using precompiled headers with ccache requires setting CCACHE_SLOPPINESS=pch_defines,time_macros to get hits. Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com> Reviewed-by: Justin Pryzby <pryzby@telsasoft.com> Discussion: https://postgr.es/m/CA+hUKG+50eOUbN++ocDc0Qnp9Pvmou23DSXu=ZA6fepOcftKqA@mail.gmail.com Discussion: https://postgr.es/m/c5736f70-bb6d-8d25-e35c-e3d886e4e905@enterprisedb.com Discussion: https://postgr.es/m/20190826054000.GE7005%40paquier.xyz
178 lines
4.1 KiB
Meson
178 lines
4.1 KiB
Meson
pg_config_ext = configure_file(
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input: 'pg_config_ext.h.meson',
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output: 'pg_config_ext.h',
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configuration: cdata,
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install: true,
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install_dir: dir_include,
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)
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configure_files += pg_config_ext
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pg_config_os = configure_file(
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output: 'pg_config_os.h',
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input: files('port/@0@.h'.format(portname)),
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install: true,
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install_dir: dir_include,
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copy: true,
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)
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configure_files += pg_config_os
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pg_config = configure_file(
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output: 'pg_config.h',
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install: true,
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install_dir: dir_include,
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configuration: cdata,
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)
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configure_files += pg_config
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config_paths_data = configuration_data()
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config_paths_data.set_quoted('PGBINDIR', dir_prefix / dir_bin)
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config_paths_data.set_quoted('PGSHAREDIR', dir_prefix / dir_data)
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config_paths_data.set_quoted('SYSCONFDIR', dir_prefix / dir_sysconf)
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config_paths_data.set_quoted('INCLUDEDIR', dir_prefix / dir_include)
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config_paths_data.set_quoted('PKGINCLUDEDIR', dir_prefix / dir_include_pkg)
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config_paths_data.set_quoted('INCLUDEDIRSERVER', dir_prefix / dir_include_server)
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config_paths_data.set_quoted('LIBDIR', dir_prefix / dir_lib)
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config_paths_data.set_quoted('PKGLIBDIR', dir_prefix / dir_lib_pkg)
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config_paths_data.set_quoted('LOCALEDIR', dir_prefix / dir_locale)
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config_paths_data.set_quoted('DOCDIR', dir_prefix / dir_doc)
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config_paths_data.set_quoted('HTMLDIR', dir_prefix / dir_doc_html)
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config_paths_data.set_quoted('MANDIR', dir_prefix / dir_man)
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var_cc = ' '.join(cc.cmd_array())
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var_cpp = ' '.join(cc.cmd_array() + ['-E'])
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var_cflags = ' '.join(cflags + cflags_warn + get_option('c_args'))
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if llvm.found()
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var_cxxflags = ' '.join(cxxflags + cxxflags_warn + get_option('cpp_args'))
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else
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var_cxxflags = ''
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endif
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var_cppflags = ' '.join(cppflags)
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var_cflags_sl = '-fPIC' #FIXME
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var_ldflags = ' '.join(ldflags + get_option('c_link_args'))
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var_ldflags_sl = ''.join(ldflags_sl)
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var_ldflags_ex = '' # FIXME
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# FIXME - some extensions might directly use symbols from one of libs. If
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# that symbol isn't used by postgres, and statically linked, it'll cause an
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# undefined symbol at runtime. And obviously it'll cause problems for
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# executables, although those are probably less common.
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var_libs = ''
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pg_config_paths = configure_file(
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output: 'pg_config_paths.h',
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configuration: config_paths_data,
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install: false,
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)
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configure_files += pg_config_paths
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install_headers(
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'pg_config_manual.h',
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'postgres_ext.h',
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)
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install_headers(
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'libpq/libpq-fs.h',
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install_dir: dir_include / 'libpq',
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)
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install_headers(
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'c.h',
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'port.h',
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'postgres_fe.h',
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install_dir: dir_include_internal
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)
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install_headers(
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'libpq/pqcomm.h',
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install_dir: dir_include_internal / 'libpq',
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)
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install_headers(
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'c.h',
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'fmgr.h',
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'funcapi.h',
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'getopt_long.h',
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'miscadmin.h',
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'pg_config_manual.h',
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'pg_getopt.h',
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'pg_trace.h',
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'pgstat.h',
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'pgtar.h',
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'pgtime.h',
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'port.h',
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'postgres.h',
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'postgres_ext.h',
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'postgres_fe.h',
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'windowapi.h',
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pg_config_ext,
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pg_config_os,
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pg_config,
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install_dir: dir_include_server,
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)
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subdir('catalog')
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subdir('nodes')
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subdir('pch')
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subdir('storage')
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subdir('utils')
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header_subdirs = [
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'access',
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'catalog',
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'bootstrap',
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'commands',
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'common',
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'datatype',
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'executor',
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'fe_utils',
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'foreign',
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'jit',
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'lib',
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'libpq',
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'mb',
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'nodes',
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'optimizer',
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'parser',
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'partitioning',
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'postmaster',
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'regex',
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'replication',
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'rewrite',
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'statistics',
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'storage',
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'tcop',
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'snowball',
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'tsearch',
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'utils',
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'port',
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'portability',
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]
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# XXX: installing headers this way has the danger of installing editor files
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# etc, unfortunately install_subdir() doesn't allow including / excluding by
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# pattern currently.
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foreach d : header_subdirs
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if d == 'catalog'
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continue
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endif
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install_subdir(d, install_dir: dir_include_server,
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exclude_files: ['.gitignore', 'meson.build'])
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endforeach
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install_subdir('catalog',
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install_dir: dir_include_server,
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exclude_files: [
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'.gitignore',
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'Makefile',
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'duplicate_oids',
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'meson.build',
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'reformat_dat_file.pl',
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'renumber_oids.pl',
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'unused_oids',
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] + bki_data,
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)
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# autoconf generates the file there, ensure we get a conflict
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generated_sources_ac += {'src/include': ['stamp-h', 'stamp-ext-h']}
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