ref: 1c229af2d2f1b89b87fb1a4abaf6cb2ee69aa6fe
dir: /meson.build/
# # Meson project file for FreeType 2 # # Copyright (C) 2020 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, # and distributed under the terms of the FreeType project license, # LICENSE.TXT. By continuing to use, modify, or distribute this file you # indicate that you have read the license and understand and accept it # fully. project('freetype2', 'c', meson_version: '>= 0.55.0', default_options: ['default_library=both'], ) # # Rules to compile the FreeType 2 library itself # # Apparently meson doesn't provide a read_file() function, so instead # running an external command is required. python = import('python') python_exe = python.find_installation(required: true) ft2_version = run_command(python_exe, files('builds/meson/extract_freetype_version.py'), files('include/freetype/freetype.h')).stdout().strip() ft2_so_version = run_command(python_exe, files('builds/meson/extract_libtool_version.py'), '--soversion', files('builds/unix/configure.raw')).stdout().strip() ft2_libtool_version = run_command(python_exe, files('builds/meson/extract_libtool_version.py'), files('builds/unix/configure.raw')).stdout().strip() ft2_includes = include_directories('include') # Generate a custom `ftmodule.h` version based on the content of # `modules.cfg`. ftmodule_h = custom_target('ftmodule.h', output: 'ftmodule.h', input: 'modules.cfg', command: [python_exe, files('builds/meson/parse_modules_cfg.py'), '--format=ftmodule.h', '@INPUT@', '--output', '@OUTPUT@'], install: true, install_dir: 'include/freetype2/freetype/config', ) ft2_sources = [ftmodule_h] # FreeType 2 modules. ft_main_modules = run_command(python_exe, files('builds/meson/parse_modules_cfg.py'), '--format=main-modules', files('modules.cfg')).stdout().strip().split() ft2_sources += files([ 'src/base/ftbase.c', 'src/base/ftinit.c', ]) foreach mod: ft_main_modules source = mod if mod == 'winfonts' source = 'winfnt' elif mod == 'cid' source = 'type1cid' endif ft2_sources += 'src/@0@/@[email protected]'.format(mod, source) endforeach # NOTE: The `gzip` and `bzip2` aux modules are handled through options. ft_aux_modules = run_command(python_exe, files('builds/meson/parse_modules_cfg.py'), '--format=aux-modules', files('modules.cfg')).stdout().strip().split() foreach auxmod: ft_aux_modules source = auxmod # Most sources are named `src/<module>/<module>.c`, but there are a few # exceptions handled here. if auxmod == 'cache' source = 'ftcache' elif auxmod == 'lzw' source = 'ftlzw' elif auxmod == 'gzip' or auxmod == 'bzip2' # Handled through options instead, see below. continue endif ft2_sources += 'src/@0@/@[email protected]'.format(auxmod, source) endforeach # FreeType 2 base extensions. # Normally configured through `modules.cfg`. base_extensions = run_command(python_exe, files('builds/meson/parse_modules_cfg.py'), '--format=base-extensions-list', files('modules.cfg')).stdout().split() foreach ext: base_extensions ft2_sources += files('src/base/' + ext) endforeach # Header files. ft2_public_headers = files([ 'include/freetype/freetype.h', 'include/freetype/ftadvanc.h', 'include/freetype/ftbbox.h', 'include/freetype/ftbdf.h', 'include/freetype/ftbitmap.h', 'include/freetype/ftbzip2.h', 'include/freetype/ftcache.h', 'include/freetype/ftchapters.h', 'include/freetype/ftcolor.h', 'include/freetype/ftdriver.h', 'include/freetype/fterrdef.h', 'include/freetype/fterrors.h', 'include/freetype/ftfntfmt.h', 'include/freetype/ftgasp.h', 'include/freetype/ftglyph.h', 'include/freetype/ftgxval.h', 'include/freetype/ftgzip.h', 'include/freetype/ftimage.h', 'include/freetype/ftincrem.h', 'include/freetype/ftlcdfil.h', 'include/freetype/ftlist.h', 'include/freetype/ftlzw.h', 'include/freetype/ftmac.h', 'include/freetype/ftmm.h', 'include/freetype/ftmodapi.h', 'include/freetype/ftmoderr.h', 'include/freetype/ftotval.h', 'include/freetype/ftoutln.h', 'include/freetype/ftparams.h', 'include/freetype/ftpfr.h', 'include/freetype/ftrender.h', 'include/freetype/ftsizes.h', 'include/freetype/ftsnames.h', 'include/freetype/ftstroke.h', 'include/freetype/ftsynth.h', 'include/freetype/ftsystem.h', 'include/freetype/fttrigon.h', 'include/freetype/fttypes.h', 'include/freetype/ftwinfnt.h', 'include/freetype/t1tables.h', 'include/freetype/ttnameid.h', 'include/freetype/tttables.h', 'include/freetype/tttags.h', ]) ft2_config_headers = files([ 'include/freetype/config/ftconfig.h', 'include/freetype/config/ftheader.h', 'include/freetype/config/ftstdlib.h', 'include/freetype/config/integer-types.h', 'include/freetype/config/mac-support.h', 'include/freetype/config/public-macros.h', ]) ft2_defines = [] # System support file. cc = meson.get_compiler('c') # NOTE: msys2 on Windows has `unistd.h` and `fcntl.h` but not `sys/mman.h`! has_unistd_h = cc.has_header('unistd.h') has_fcntl_h = cc.has_header('fcntl.h') has_sys_mman_h = cc.has_header('sys/mman.h') if has_unistd_h ft2_defines += ['-DHAVE_UNISTD_H=1'] endif if has_fcntl_h ft2_defines += ['-DHAVE_FCNTL_H'] endif mmap_option = get_option('mmap') if mmap_option.auto() use_mmap = has_unistd_h and has_fcntl_h and has_sys_mman_h else use_mmap = mmap_option.enabled() endif if use_mmap # This version of ftsystem.c uses mmap() to read input font files. ft2_sources += files(['builds/unix/ftsystem.c',]) else ft2_sources += files(['src/base/ftsystem.c',]) endif # Debug support file # # NOTE: Some specialized versions exist for other platforms not supported by # Meson. Most implementation differences are extremely minor, i.e., in the # implementation of FT_Message() and FT_Panic(), and getting the `FT2_DEBUG` # value from the environment, when this is supported. A smaller refactor # might make these platform-specific files much smaller, and could be moved # into `ftsystem.c` as well. # if host_machine.system() == 'windows' ft2_debug_src = 'builds/windows/ftdebug.c' else ft2_debug_src = 'src/base/ftdebug.c' endif ft2_sources += files([ft2_debug_src]) ft2_deps = [] # Generate `ftoption.h` based on available dependencies. ftoption_command = [python_exe, files('builds/meson/process_ftoption_h.py'), '@INPUT@', '--output=@OUTPUT@'] # GZip support zlib_option = get_option('zlib') if zlib_option == 'disabled' ftoption_command += ['--disable=FT_CONFIG_OPTION_USE_ZLIB'] else ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_ZLIB'] if zlib_option == 'builtin' ftoption_command += ['--disable=FT_CONFIG_OPTION_SYSTEM_ZLIB'] else # Probe for the system version. zlib_system = dependency('zlib', required: zlib_option == 'system') ft2_deps += [zlib_system] ftoption_command += ['--enable=FT_CONFIG_OPTION_SYSTEM_ZLIB'] endif ft2_sources += files(['src/gzip/ftgzip.c',]) endif # BZip2 support # # IMPORTANT NOTE: Without `static: false` here, Meson will find both the # static library version and the shared library version when they are # installed on the system, and will try to link them *both* to the final # library! bzip2_dep = meson.get_compiler('c').find_library('bz2', static: false, required: get_option('bzip2')) if bzip2_dep.found() ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_BZIP2'] ft2_sources += files(['src/bzip2/ftbzip2.c',]) ft2_deps += [bzip2_dep] endif # PNG support libpng_dep = dependency('libpng', required: get_option('png')) ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_PNG'] ft2_deps += [libpng_dep] # Harfbuzz support harfbuzz_dep = dependency('harfbuzz', version: '>= 1.8.0', required: get_option('harfbuzz')) if harfbuzz_dep.found() ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_HARFBUZZ'] ft2_deps += [harfbuzz_dep] endif # Brotli decompression support brotli_dep = dependency('libbrotlidec', required: get_option('brotli')) if brotli_dep.found() ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_BROTLI'] ft2_deps += [brotli_dep] endif # We can now generate `ftoption.h`. ftoption_h = custom_target('ftoption.h', input: 'include/freetype/config/ftoption.h', output: 'ftoption.h', command: ftoption_command, install: true, install_dir: 'include/freetype2/freetype/config', ) ft2_sources += ftoption_h # QUESTION: What if the compiler doesn't support `-D` but uses `/D` instead # as on Windows? # # Other build systems have something like c_defines to list defines in a # more portable way. For now assume the compiler supports `-D` (hint: Visual # Studio does). ft2_defines += ['-DFT2_BUILD_LIBRARY=1'] # Ensure that the `ftoption.h` file generated above will be used to build # FreeType. Unfortunately, and very surprisingly, configure_file() does not # support putting the output file in a sub-directory, so we have to override # the default which is `<freetype/config/ftoption.h>`. # # It would be cleaner to generate the file directly into # `${MESON_BUILD_DIR}/freetype/config/ftoption.h`. See # 'https://github.com/mesonbuild/meson/issues/2320' for details. ft2_defines += ['-DFT_CONFIG_OPTIONS_H=<ftoption.h>'] ft2_c_args = ft2_defines if cc.has_function_attribute('visibility:hidden') ft2_c_args += ['-fvisibility=hidden'] endif ft2_lib = library('freetype', sources: ft2_sources + [ftmodule_h], c_args: ft2_c_args, include_directories: ft2_includes, dependencies: ft2_deps, install: true, version: ft2_so_version, ) # To be used by other projects including this one through subproject(). freetype2_dep = declare_dependency( include_directories: ft2_includes, link_with: ft2_lib, version: ft2_so_version) # NOTE: Using both `install_dir` and `subdir` doesn't seem to work below, # i.e., the subdir value seems to be ignored, contrary to examples in the # Meson documentation. install_headers('include/ft2build.h', install_dir: 'include/freetype2') install_headers(ft2_public_headers, install_dir: 'include/freetype2/freetype') install_headers(ft2_config_headers, install_dir: 'include/freetype2/freetype/config') # TODO(david): Declare_dependency() for using this in a Meson subproject # pkgconfig = import('pkgconfig') pkgconfig.generate(ft2_lib, filebase: 'freetype2', name: 'FreeType 2', description: 'A free, high-quality, and portable font engine.', url: 'https://freetype.org', subdirs: 'freetype2', version: ft2_libtool_version, ) # NOTE: Unlike the old `make refdoc` command, this generates the # documentation under `$BUILD/docs/` since Meson doesn't support modifying # the source root directory (which is a good thing). gen_docs = custom_target('freetype2 reference documentation', output: 'docs', input: ft2_public_headers + ft2_config_headers, command: [python_exe, files('builds/meson/generate_reference_docs.py'), '--version=' + ft2_version, '--input-dir=' + meson.source_root(), '--output-dir=@OUTPUT@' ], ) # EOF