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Diffstat (limited to 'src/backend/meson.build')
| -rw-r--r-- | src/backend/meson.build | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/backend/meson.build b/src/backend/meson.build new file mode 100644 index 00000000000..fefa40ddb64 --- /dev/null +++ b/src/backend/meson.build @@ -0,0 +1,190 @@ +backend_build_deps = [backend_code] +backend_sources = [] +backend_link_with = [pgport_srv, common_srv] + +generated_backend_sources = [] + +subdir('access') +subdir('backup') +subdir('bootstrap') +subdir('catalog') +subdir('commands') +subdir('executor') +subdir('foreign') +subdir('jit') +subdir('lib') +subdir('libpq') +subdir('main') +subdir('nodes') +subdir('optimizer') +subdir('parser') +subdir('partitioning') +subdir('port') +subdir('postmaster') +subdir('regex') +subdir('replication') +subdir('rewrite') +subdir('statistics') +subdir('storage') +subdir('tcop') +subdir('tsearch') +subdir('utils') + +subdir('po', if_found: libintl) + + +backend_link_args = [] +backend_link_depends = [] + + +# On windows when compiling with msvc we need to make postgres export all its +# symbols so that extension libraries can use them. For that we need to scan +# the constituting objects and generate a file specifying all the functions as +# exported (variables need an "import" declaration in the header, hence +# PGDLLEXPORT, but functions work without that, due to import libraries +# basically being trampolines). +# +# For dtrace probes we need to invoke dtrace on all input files, before +# linking the final executable (see more below). +# +# +# On meson there's currently no easy way to do this that I found. So we build +# a static library with all the input objects, run our script to generate +# exports, and build the final executable using that static library +# +# We could do that only if either dtrace or msvc is in use, but it seems +# easier to just always do so. +# +# Can't name the static library 'postgres', because msbuild ends up with a +# conflict for the .pdb file otherwise. + +postgres_lib = static_library('postgres_lib', + backend_sources + timezone_sources + generated_backend_sources, + link_whole: backend_link_with, + dependencies: backend_build_deps, + kwargs: internal_lib_args, +) + +if cc.get_id() == 'msvc' + postgres_def = custom_target('postgres.def', + command: [perl, files('../tools/msvc/gendef.pl'), + '--arch', host_cpu, + '--tempdir', '@PRIVATE_DIR@', + '--deffile', '@OUTPUT@', + '@INPUT@'], + input: [postgres_lib, common_srv, pgport_srv], + output: 'postgres.def', + depends: [postgres_lib, common_srv, pgport_srv], + install: false, + build_by_default: false, + ) + + backend_link_args += '/DEF:@0@'.format(postgres_def.full_path()) + backend_link_depends += postgres_def + +elif host_system == 'aix' + # The '.' argument leads mkldexport.sh to emit "#! .", which refers to the + # main executable, allowing extension libraries to resolve their undefined + # symbols to symbols in the postgres binary. + postgres_imp = custom_target('postgres.imp', + command: [files('port/aix/mkldexport.sh'), '@INPUT@', '.'], + input: postgres_lib, + output: 'postgres.imp', + capture: true, + install: true, + install_dir: dir_lib, + build_by_default: false, + ) + backend_link_args += '-Wl,-bE:@0@'.format(postgres_imp.full_path()) + backend_link_depends += postgres_imp +endif + +backend_input = [] +backend_objs = [postgres_lib.extract_all_objects(recursive: false)] + +# As of 1/2010: +# The probes.o file is necessary for dtrace support on Solaris, and on recent +# versions of systemtap. (Older systemtap releases just produce an empty +# file, but that's okay.) However, macOS's dtrace doesn't use it and doesn't +# even recognize the -G option. So, build probes.o except on macOS. +# This might need adjustment as other platforms add dtrace support. +# +# On at least linux we don't actually need to pass in all the objects, but +# at least on FreeBSD and Solaris we have to. +# +# XXX: The reason we don't use the objects for generated sources is that +# hits a meson bug. Luckily we don't don't have probes in generated +# sources... +if dtrace.found() and host_system != 'darwin' + backend_input += custom_target( + 'probes.o', + input: ['utils/probes.d', postgres_lib.extract_objects(backend_sources, timezone_sources)], + output: 'probes.o', + command: [dtrace, '-C', '-G', '-o', '@OUTPUT@', '-s', '@INPUT@'], + install: false, + ) +endif + +postgres = executable('postgres', + backend_input, + objects: backend_objs, + link_args: backend_link_args, + link_with: backend_link_with, + link_depends: backend_link_depends, + export_dynamic: true, + implib: true, + dependencies: backend_build_deps, + kwargs: default_bin_args, +) + +backend_targets += postgres + +pg_mod_c_args = cflags_mod +pg_mod_cpp_args = cxxflags_mod +pg_mod_link_args = ldflags_sl + ldflags_mod +pg_mod_link_depend = [] + +# A few platforms like MacOS and Windows link shared modules against postgres, +# or a [import] library derived from it. Set up the link flags for that. +if mod_link_args_fmt.length() > 0 + # To avoid unnecessary build-time dependencies on other operating systems, + # only the dependency when it when necessary. + pg_mod_link_depend += postgres + + name = mod_link_with_name.format('postgres') + link_with_uninst = meson.current_build_dir() / name + link_with_inst = '${@0@}/@1@'.format(mod_link_with_dir, name) + + foreach el : mod_link_args_fmt + pg_mod_link_args += el.format(link_with_uninst) + endforeach +endif + + +# Note there's intentionally no dependency on pgport/common here - we want the +# symbols from the main binary for extension modules, rather than the +# extension linking separately to pgport/common. +backend_mod_code = declare_dependency( + compile_args: pg_mod_c_args, + include_directories: postgres_inc, + link_args: pg_mod_link_args, + sources: generated_headers + generated_backend_headers, + dependencies: backend_mod_deps, +) + +pg_mod_args = default_mod_args + { + 'dependencies': [backend_mod_code], + 'cpp_args': pg_mod_cpp_args, + 'link_depends': pg_mod_link_depend, +} + + + +# Shared modules that, on some system, link against the server binary. Only +# enter these after we defined the server build. + +subdir('jit/llvm') +subdir('replication/libpqwalreceiver') +subdir('replication/pgoutput') +subdir('snowball') +subdir('utils/mb/conversion_procs') |