471 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
		
		
			
		
	
	
			471 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
|   | #
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|  | # Meson project file for FreeType 2
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|  | #
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|  | 
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|  | # Copyright (C) 2020-2023 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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|  | 
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|  | #
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|  | # Say
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|  | #
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|  | #   meson configure
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|  | #
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|  | # to see all configuration options and their default values.  For example,
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|  | # to build only a shared version of FreeType, override the default value
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|  | # with
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|  | #
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|  | #   meson setup -Ddefault_library=shared
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|  | #
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|  | 
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|  | project('freetype2', 'c',
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|  |   meson_version: '>= 0.55.0',
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|  |   version: run_command('builds/meson/extract_freetype_version.py',
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|  |                        'include/freetype/freetype.h',
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|  |                        check: true).stdout().strip(),
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|  | )
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|  | 
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|  | 
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|  | # Only meson >= 0.57 can read a file and assign its contents to a
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|  | # variable; we thus use an external command to have this functionality
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|  | # with older versions, too.
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|  | 
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|  | python_exe = find_program('python3')
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|  | 
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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'),
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|  |   check: true).stdout().strip()
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|  | 
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|  | ft2_pkgconfig_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'),
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|  |   check: true).stdout().strip()
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|  | 
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|  | ft2_includes = include_directories('include')
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|  | 
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|  | freetype_includedir = join_paths(get_option('includedir'), 'freetype2')
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|  | 
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|  | ft2_defines = []
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|  | 
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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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|  | 
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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: join_paths(freetype_includedir, 'freetype/config'),
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|  | )
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|  | ft2_sources = [ftmodule_h]
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|  | ft2_defines += ['-DFT_CONFIG_MODULES_H=<ftmodule.h>']
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|  | 
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|  | 
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|  | # FreeType 2 modules.
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|  | 
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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'),
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|  |   check: true).stdout().strip().split()
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|  | 
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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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|  | 
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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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|  | 
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|  | # NOTE: The `bzip2` aux module is 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'),
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|  |   check: true).stdout().strip().split()
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|  | 
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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'
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|  |     source = 'ftgzip'
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|  |   elif 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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|  | 
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|  | 
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|  | # FreeType 2 base extensions.
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|  | # To be configured in `modules.cfg`.
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|  | 
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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'),
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|  |   check: true).stdout().split()
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|  | 
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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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|  | 
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|  | 
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|  | # Header files.
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|  | 
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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/ftcid.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/otsvg.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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|  | 
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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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|  | 
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|  | ft2_defines += ['-DFT2_BUILD_LIBRARY=1']
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|  | 
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|  | 
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|  | # System support file.
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|  | 
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|  | cc = meson.get_compiler('c')
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|  | 
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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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|  | 
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|  | mmap_option = get_option('mmap')
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|  | 
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|  | use_unix_ftsystem_c = false
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|  | if mmap_option.disabled()
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|  |   ft2_sources += files(['src/base/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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|  |   if has_unistd_h and has_fcntl_h and has_sys_mman_h
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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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|  |     use_unix_ftsystem_c = true
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|  |   elif mmap_option.enabled()
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|  |     error('mmap was enabled via options but is not available,'
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|  |           + ' required headers were not found!')
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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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|  | endif
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|  | 
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|  | 
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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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|  |   winmod = import('windows')
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|  |   ft2_sources += [
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|  |     'builds/windows/ftdebug.c',
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|  |     winmod.compile_resources('src/base/ftver.rc'),
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|  |   ]
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|  | else
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|  |   ft2_sources += 'src/base/ftdebug.c'
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|  | endif
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|  | 
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|  | 
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|  | ft2_deps = []
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|  | common_ldflags = []
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|  | 
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|  | 
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|  | # Correct compatibility version for OS x.
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|  | #
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|  | # OSX sets the compatibility_version (aka libtools version) differently from
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|  | # the library name.
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|  | #
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|  | if host_machine.system() == 'darwin'
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|  |   # maintain compatibility with autotools on macOS
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|  |   common_ldflags = [
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|  |     '-compatibility_version', ft2_pkgconfig_version.split('.')[0],
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|  |     '-current_version', ft2_pkgconfig_version
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|  |   ]
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|  | endif
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|  | 
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|  | 
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|  | # Generate `ftoption.h` based on available dependencies.
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|  | 
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|  | process_header_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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|  | ftoption_command = process_header_command
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|  | 
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|  | 
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|  | # external GZip support
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|  | zlib_option = get_option('zlib')
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|  | 
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|  | # Backwards-compatible aliases.
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|  | if zlib_option == 'disabled'
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|  |   zlib_option = 'none'
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|  | elif zlib_option == 'enabled'
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|  |   zlib_option = 'auto'
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|  | endif
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|  | 
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|  | if zlib_option == 'auto'
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|  |   # First try to find a system installation, otherwise fall back to
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|  |   # the subproject.
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|  |   zlib_dep = dependency('zlib',
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|  |     required: false)
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|  |   if zlib_dep.found()
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|  |     zlib_option = 'system'
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|  |   else
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|  |     zlib_option = 'external'
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|  |   endif
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|  | endif
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|  | 
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|  | if zlib_option == 'none'
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|  |   ftoption_command += [ '--disable=FT_CONFIG_OPTION_USE_ZLIB' ]
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|  | elif zlib_option == 'internal'
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|  |   ftoption_command += [ '--enable=FT_CONFIG_OPTION_USE_ZLIB' ]
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|  | elif zlib_option == 'external'
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|  |   ftoption_command += [ '--enable=FT_CONFIG_OPTION_USE_ZLIB' ]
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|  |   zlib_project = subproject('zlib',
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|  |     required: true,
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|  |     default_options: 'default_library=static')
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|  |   zlib_dep = zlib_project.get_variable('zlib_dep')
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|  |   ft2_deps += [zlib_dep]
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|  | elif zlib_option == 'system'
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|  |   zlib_dep = dependency('zlib',
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|  |     required: true)
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|  |   assert(zlib_dep.found(), 'Could not find system zlib installation!')
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|  |   ftoption_command += [
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|  |     '--enable=FT_CONFIG_OPTION_USE_ZLIB',
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|  |     '--enable=FT_CONFIG_OPTION_SYSTEM_ZLIB',
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|  |   ]
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|  |   ft2_deps += [zlib_dep]
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|  | else
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|  |   assert(false, 'Invalid zlib option ' + zlib_option)
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|  | endif
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|  | 
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|  | # BZip2 support
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|  | bzip2_dep = cc.find_library('bz2',
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|  |   required: get_option('bzip2'))
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|  | 
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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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|  | 
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|  | # PNG support
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|  | libpng_dep = dependency('libpng',
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|  |   required: get_option('png'),
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|  |   fallback: 'libpng')
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|  | 
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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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|  | 
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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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|  |   default_options: ['freetype=disabled'])
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|  | 
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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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|  | 
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|  | # Brotli decompression support
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|  | brotli_dep = dependency('libbrotlidec',
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|  |   required: get_option('brotli'))
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|  | 
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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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|  | 
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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: join_paths(freetype_includedir, 'freetype/config'),
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|  | )
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|  | ft2_sources += ftoption_h
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|  | ft2_defines += ['-DFT_CONFIG_OPTIONS_H=<ftoption.h>']
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|  | 
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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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|  | 
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|  | 
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|  | # Generate `ftconfig.h`.
 | ||
|  | 
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|  | ftconfig_command = process_header_command
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|  | if has_unistd_h
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|  |   ftconfig_command += '--enable=HAVE_UNISTD_H'
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|  | endif
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|  | if has_fcntl_h
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|  |   ftconfig_command += '--enable=HAVE_FCNTL_H'
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|  | endif
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|  | 
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|  | if use_unix_ftsystem_c
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|  |   ftconfig_h_in = files('builds/unix/ftconfig.h.in')
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|  |   ftconfig_h = custom_target('ftconfig.h',
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|  |     input: ftconfig_h_in,
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|  |     output: 'ftconfig.h',
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|  |     command: ftconfig_command,
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|  |     install: true,
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|  |     install_dir: join_paths(freetype_includedir, 'freetype/config'),
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|  |   )
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|  |   ft2_sources += ftconfig_h
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|  |   ft2_defines += ['-DFT_CONFIG_CONFIG_H=<ftconfig.h>']
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|  | endif
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|  | 
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|  | 
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|  | ft2_lib = library('freetype',
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|  |   sources: ft2_sources + [ftmodule_h],
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|  |   c_args: ft2_defines,
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|  |   gnu_symbol_visibility: 'hidden',
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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,
 | ||
|  |   link_args: common_ldflags,
 | ||
|  | )
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|  | 
 | ||
|  | 
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|  | # To be used by other projects including this one through `subproject`.
 | ||
|  | freetype_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_pkgconfig_version)
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|  | 
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|  | meson.override_dependency('freetype2', freetype_dep)
 | ||
|  | 
 | ||
|  | 
 | ||
|  | # 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: freetype_includedir)
 | ||
|  | install_headers(ft2_public_headers,
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|  |   install_dir: join_paths(freetype_includedir, 'freetype'))
 | ||
|  | install_headers(ft2_config_headers,
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|  |   install_dir: join_paths(freetype_includedir, 'freetype/config'))
 | ||
|  | 
 | ||
|  | 
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|  | pkgconfig = import('pkgconfig')
 | ||
|  | 
 | ||
|  | pkgconfig.generate(ft2_lib,
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|  |   filebase: 'freetype2',
 | ||
|  |   name: 'FreeType 2',
 | ||
|  |   description: 'A free, high-quality, and portable font engine.',
 | ||
|  |   url: 'https://freetype.org',
 | ||
|  |   subdirs: 'freetype2',
 | ||
|  |   version: ft2_pkgconfig_version,
 | ||
|  | )
 | ||
|  | 
 | ||
|  | if get_option('tests').enabled()
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|  |   subdir('tests')
 | ||
|  | endif
 | ||
|  | 
 | ||
|  | # 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=' + meson.project_version(),
 | ||
|  |     '--input-dir=' + meson.current_source_dir(),
 | ||
|  |     '--output-dir=@OUTPUT@'
 | ||
|  |   ],
 | ||
|  | )
 | ||
|  | 
 | ||
|  | 
 | ||
|  | summary({'OS': host_machine.system(),
 | ||
|  |         }, section: 'Operating System')
 | ||
|  | 
 | ||
|  | summary({'Zlib': zlib_option,
 | ||
|  |          'Bzip2': bzip2_dep.found() ? 'yes' : 'no',
 | ||
|  |          'Png': libpng_dep.found() ? 'yes' : 'no',
 | ||
|  |          'Harfbuzz': harfbuzz_dep.found() ? 'yes' : 'no',
 | ||
|  |          'Brotli': brotli_dep.found() ? 'yes' : 'no',
 | ||
|  |         }, section: 'Used Libraries')
 | ||
|  | 
 | ||
|  | # EOF
 |