386 lines
11 KiB
Meson
386 lines
11 KiB
Meson
#
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# Meson project file for FreeType 2
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#
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# Copyright (C) 2020-2021 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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project('freetype2', 'c',
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meson_version: '>= 0.55.0',
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default_options: ['default_library=both'],
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version: run_command('builds/meson/extract_freetype_version.py',
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'include/freetype/freetype.h').stdout().strip(),
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)
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#
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# Rules to compile the FreeType 2 library itself
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#
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# Apparently meson doesn't provide a read_file() function, so instead
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# running an external command is required.
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python = import('python')
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python_exe = python.find_installation(required: true)
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ft2_so_version = run_command(python_exe,
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files('builds/meson/extract_libtool_version.py'),
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'--soversion',
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files('builds/unix/configure.raw')).stdout().strip()
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ft2_libtool_version = run_command(python_exe,
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files('builds/meson/extract_libtool_version.py'),
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files('builds/unix/configure.raw')).stdout().strip()
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ft2_includes = include_directories('include')
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# Generate a custom `ftmodule.h` version based on the content of
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# `modules.cfg`.
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ftmodule_h = custom_target('ftmodule.h',
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output: 'ftmodule.h',
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input: 'modules.cfg',
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command: [python_exe, files('builds/meson/parse_modules_cfg.py'),
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'--format=ftmodule.h', '@INPUT@', '--output', '@OUTPUT@'],
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install: true,
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install_dir: 'include/freetype2/freetype/config',
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)
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ft2_sources = [ftmodule_h]
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# FreeType 2 modules.
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ft_main_modules = run_command(python_exe,
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files('builds/meson/parse_modules_cfg.py'),
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'--format=main-modules',
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files('modules.cfg')).stdout().strip().split()
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ft2_sources += files([
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'src/base/ftbase.c',
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'src/base/ftinit.c',
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])
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foreach mod: ft_main_modules
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source = mod
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if mod == 'winfonts'
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source = 'winfnt'
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elif mod == 'cid'
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source = 'type1cid'
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endif
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ft2_sources += 'src/@0@/@1@.c'.format(mod, source)
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endforeach
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# NOTE: The `gzip` and `bzip2` aux modules are handled through options.
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ft_aux_modules = run_command(python_exe,
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files('builds/meson/parse_modules_cfg.py'),
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'--format=aux-modules',
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files('modules.cfg')).stdout().strip().split()
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foreach auxmod: ft_aux_modules
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source = auxmod
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# Most sources are named `src/<module>/<module>.c`, but there are a few
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# exceptions handled here.
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if auxmod == 'cache'
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source = 'ftcache'
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elif auxmod == 'lzw'
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source = 'ftlzw'
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elif auxmod == 'gzip' or auxmod == 'bzip2'
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# Handled through options instead, see below.
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continue
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endif
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ft2_sources += 'src/@0@/@1@.c'.format(auxmod, source)
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endforeach
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# FreeType 2 base extensions.
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# Normally configured through `modules.cfg`.
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base_extensions = run_command(python_exe,
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files('builds/meson/parse_modules_cfg.py'),
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'--format=base-extensions-list',
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files('modules.cfg')).stdout().split()
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foreach ext: base_extensions
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ft2_sources += files('src/base/' + ext)
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endforeach
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# Header files.
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ft2_public_headers = files([
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'include/freetype/freetype.h',
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'include/freetype/ftadvanc.h',
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'include/freetype/ftbbox.h',
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'include/freetype/ftbdf.h',
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'include/freetype/ftbitmap.h',
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'include/freetype/ftbzip2.h',
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'include/freetype/ftcache.h',
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'include/freetype/ftchapters.h',
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'include/freetype/ftcolor.h',
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'include/freetype/ftdriver.h',
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'include/freetype/fterrdef.h',
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'include/freetype/fterrors.h',
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'include/freetype/ftfntfmt.h',
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'include/freetype/ftgasp.h',
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'include/freetype/ftglyph.h',
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'include/freetype/ftgxval.h',
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'include/freetype/ftgzip.h',
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'include/freetype/ftimage.h',
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'include/freetype/ftincrem.h',
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'include/freetype/ftlcdfil.h',
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'include/freetype/ftlist.h',
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'include/freetype/ftlzw.h',
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'include/freetype/ftmac.h',
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'include/freetype/ftmm.h',
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'include/freetype/ftmodapi.h',
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'include/freetype/ftmoderr.h',
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'include/freetype/ftotval.h',
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'include/freetype/ftoutln.h',
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'include/freetype/ftparams.h',
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'include/freetype/ftpfr.h',
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'include/freetype/ftrender.h',
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'include/freetype/ftsizes.h',
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'include/freetype/ftsnames.h',
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'include/freetype/ftstroke.h',
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'include/freetype/ftsynth.h',
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'include/freetype/ftsystem.h',
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'include/freetype/fttrigon.h',
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'include/freetype/fttypes.h',
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'include/freetype/ftwinfnt.h',
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'include/freetype/t1tables.h',
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'include/freetype/ttnameid.h',
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'include/freetype/tttables.h',
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'include/freetype/tttags.h',
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])
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ft2_config_headers = files([
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'include/freetype/config/ftconfig.h',
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'include/freetype/config/ftheader.h',
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'include/freetype/config/ftstdlib.h',
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'include/freetype/config/integer-types.h',
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'include/freetype/config/mac-support.h',
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'include/freetype/config/public-macros.h',
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])
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ft2_defines = []
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# System support file.
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cc = meson.get_compiler('c')
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# NOTE: msys2 on Windows has `unistd.h` and `fcntl.h` but not `sys/mman.h`!
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has_unistd_h = cc.has_header('unistd.h')
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has_fcntl_h = cc.has_header('fcntl.h')
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has_sys_mman_h = cc.has_header('sys/mman.h')
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if has_unistd_h
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ft2_defines += ['-DHAVE_UNISTD_H=1']
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endif
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if has_fcntl_h
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ft2_defines += ['-DHAVE_FCNTL_H']
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endif
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mmap_option = get_option('mmap')
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if mmap_option.auto()
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use_mmap = has_unistd_h and has_fcntl_h and has_sys_mman_h
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else
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use_mmap = mmap_option.enabled()
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endif
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if use_mmap
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# This version of ftsystem.c uses mmap() to read input font files.
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ft2_sources += files(['builds/unix/ftsystem.c',])
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elif host_machine.system() == 'windows'
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ft2_sources += files(['builds/windows/ftsystem.c',])
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else
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ft2_sources += files(['src/base/ftsystem.c',])
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endif
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# Debug support file
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#
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# NOTE: Some specialized versions exist for other platforms not supported by
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# Meson. Most implementation differences are extremely minor, i.e., in the
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# implementation of FT_Message() and FT_Panic(), and getting the `FT2_DEBUG`
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# value from the environment, when this is supported. A smaller refactor
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# might make these platform-specific files much smaller, and could be moved
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# into `ftsystem.c` as well.
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#
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if host_machine.system() == 'windows'
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ft2_debug_src = 'builds/windows/ftdebug.c'
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else
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ft2_debug_src = 'src/base/ftdebug.c'
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endif
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ft2_sources += files([ft2_debug_src])
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ft2_deps = []
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# Generate `ftoption.h` based on available dependencies.
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ftoption_command = [python_exe,
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files('builds/meson/process_ftoption_h.py'),
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'@INPUT@', '--output=@OUTPUT@']
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# GZip support
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have_zlib='no'
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zlib_option = get_option('zlib')
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if zlib_option == 'disabled'
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ftoption_command += ['--disable=FT_CONFIG_OPTION_USE_ZLIB']
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else
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have_zlib='yes'
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ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_ZLIB']
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if zlib_option == 'builtin'
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ftoption_command += ['--disable=FT_CONFIG_OPTION_SYSTEM_ZLIB']
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else
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# Probe for the system version.
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zlib_system = dependency('zlib', required: zlib_option == 'system')
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ft2_deps += [zlib_system]
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ftoption_command += ['--enable=FT_CONFIG_OPTION_SYSTEM_ZLIB']
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endif
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ft2_sources += files(['src/gzip/ftgzip.c',])
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endif
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# BZip2 support
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bzip2_dep = cc.find_library('bz2', required: get_option('bzip2'))
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if bzip2_dep.found()
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ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_BZIP2']
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ft2_sources += files(['src/bzip2/ftbzip2.c',])
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ft2_deps += [bzip2_dep]
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endif
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# PNG support
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libpng_dep = dependency('libpng', required: get_option('png'))
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if libpng_dep.found()
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ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_PNG']
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ft2_deps += [libpng_dep]
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endif
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# Harfbuzz support
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harfbuzz_dep = dependency('harfbuzz',
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version: '>= 2.0.0',
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required: get_option('harfbuzz'))
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if harfbuzz_dep.found()
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ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_HARFBUZZ']
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ft2_deps += [harfbuzz_dep]
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endif
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# Brotli decompression support
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brotli_dep = dependency('libbrotlidec', required: get_option('brotli'))
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if brotli_dep.found()
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ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_BROTLI']
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ft2_deps += [brotli_dep]
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endif
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# We can now generate `ftoption.h`.
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ftoption_h = custom_target('ftoption.h',
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input: 'include/freetype/config/ftoption.h',
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output: 'ftoption.h',
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command: ftoption_command,
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install: true,
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install_dir: 'include/freetype2/freetype/config',
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)
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ft2_sources += ftoption_h
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# QUESTION: What if the compiler doesn't support `-D` but uses `/D` instead
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# as on Windows?
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#
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# Other build systems have something like c_defines to list defines in a
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# more portable way. For now assume the compiler supports `-D` (hint: Visual
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# Studio does).
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ft2_defines += ['-DFT2_BUILD_LIBRARY=1']
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if host_machine.system() == 'windows'
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ft2_defines += ['-DDLL_EXPORT=1']
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endif
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# Ensure that the `ftoption.h` file generated above will be used to build
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# FreeType. Unfortunately, and very surprisingly, configure_file() does not
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# support putting the output file in a sub-directory, so we have to override
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# the default which is `<freetype/config/ftoption.h>`.
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#
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# It would be cleaner to generate the file directly into
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# `${MESON_BUILD_DIR}/freetype/config/ftoption.h`. See
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# 'https://github.com/mesonbuild/meson/issues/2320' for details.
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ft2_defines += ['-DFT_CONFIG_OPTIONS_H=<ftoption.h>']
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ft2_c_args = ft2_defines
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if cc.has_function_attribute('visibility:hidden')
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ft2_c_args += ['-fvisibility=hidden']
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endif
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ft2_lib = library('freetype',
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sources: ft2_sources + [ftmodule_h],
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c_args: ft2_c_args,
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include_directories: ft2_includes,
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dependencies: ft2_deps,
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install: true,
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version: ft2_so_version,
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)
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# To be used by other projects including this one through subproject().
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freetype2_dep = declare_dependency(
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include_directories: ft2_includes,
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link_with: ft2_lib,
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version: ft2_so_version)
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meson.override_dependency('freetype2', freetype2_dep)
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# NOTE: Using both `install_dir` and `subdir` doesn't seem to work below,
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# i.e., the subdir value seems to be ignored, contrary to examples in the
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# Meson documentation.
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install_headers('include/ft2build.h',
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install_dir: 'include/freetype2')
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install_headers(ft2_public_headers,
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install_dir: 'include/freetype2/freetype')
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install_headers(ft2_config_headers,
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install_dir: 'include/freetype2/freetype/config')
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pkgconfig = import('pkgconfig')
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pkgconfig.generate(ft2_lib,
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filebase: 'freetype2',
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name: 'FreeType 2',
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description: 'A free, high-quality, and portable font engine.',
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url: 'https://freetype.org',
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subdirs: 'freetype2',
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version: ft2_libtool_version,
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)
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# NOTE: Unlike the old `make refdoc` command, this generates the
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# documentation under `$BUILD/docs/` since Meson doesn't support modifying
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# the source root directory (which is a good thing).
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gen_docs = custom_target('freetype2 reference documentation',
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output: 'docs',
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input: ft2_public_headers + ft2_config_headers,
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command: [python_exe,
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files('builds/meson/generate_reference_docs.py'),
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'--version=' + meson.project_version(),
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'--input-dir=' + meson.source_root(),
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'--output-dir=@OUTPUT@'
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],
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)
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summary({'OS': host_machine.system(),
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'Zlib': have_zlib,
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'Bzip2': bzip2_dep.found() ? 'yes' : 'no',
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'Png': libpng_dep.found() ? 'yes' : 'no',
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'Harfbuzz': harfbuzz_dep.found() ? 'yes' : 'no',
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'Brotli': brotli_dep.found() ? 'yes' : 'no',
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}, section: 'Configuration Options Summary:')
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# EOF
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