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freetype2/meson.build

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Meson
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#
# Meson project file for FreeType 2
#
# Copyright (C) 2020-2021 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'],
version: run_command('builds/meson/extract_freetype_version.py',
'include/freetype/freetype.h').stdout().strip(),
)
#
# 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_so_version = run_command(python_exe,
files('builds/meson/extract_libtool_version.py'),
'--soversion',
files('builds/unix/configure.raw')).stdout().strip()
ft2_pkgconfig_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@/@1@.c'.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@/@1@.c'.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 = ['-DFT2_BUILD_LIBRARY=1']
# 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')
mmap_option = get_option('mmap')
if mmap_option.disabled()
ft2_sources += files(['src/base/ftsystem.c',])
elif host_machine.system() == 'windows'
ft2_sources += files(['builds/windows/ftsystem.c',])
else
if has_unistd_h and has_fcntl_h and has_sys_mman_h
# This version of ftsystem.c uses mmap() to read input font files.
ft2_sources += files(['builds/unix/ftsystem.c',])
elif mmap_option.enabled()
error('mmap was enabled via options but is not available,'
+ ' required headers were not found!')
else
ft2_sources += files(['src/base/ftsystem.c',])
endif
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'
winmod = import('windows')
ft2_sources += [
'builds/windows/ftdebug.c',
winmod.compile_resources('src/base/ftver.rc'),
]
else
ft2_sources += 'src/base/ftdebug.c'
endif
ft2_deps = []
# Generate `ftoption.h` based on available dependencies.
process_header_command = [python_exe,
files('builds/meson/process_ftoption_h.py'),
'@INPUT@', '--output=@OUTPUT@']
ftoption_command = process_header_command
# GZip support
zlib_dep = dependency('zlib',
required: get_option('zlib'),
fallback: 'zlib')
if zlib_dep.found()
ftoption_command += [
'--enable=FT_CONFIG_OPTION_USE_ZLIB',
'--enable=FT_CONFIG_OPTION_SYSTEM_ZLIB',
]
ft2_sources += files(['src/gzip/ftgzip.c',])
ft2_deps += [zlib_dep]
else
ftoption_command += ['--disable=FT_CONFIG_OPTION_USE_ZLIB']
endif
# BZip2 support
bzip2_dep = cc.find_library('bz2',
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'),
fallback: 'libpng')
if libpng_dep.found()
ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_PNG']
ft2_deps += [libpng_dep]
endif
# Harfbuzz support
harfbuzz_dep = dependency('harfbuzz',
version: '>= 2.0.0',
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
ft2_defines += ['-DFT_CONFIG_OPTIONS_H=<ftoption.h>']
if host_machine.system() == 'windows'
ft2_defines += ['-DDLL_EXPORT=1']
endif
# Generate `ftconfig.h`
ftconfig_command = process_header_command
if has_unistd_h
ftconfig_command += '--enable=HAVE_UNISTD_H'
endif
if has_fcntl_h
ftconfig_command += '--enable=HAVE_FCNTL_H'
endif
if host_machine.system() in ['linux', 'darwin', 'cygwin']
ftconfig_h_in = files('builds/unix/ftconfig.h.in')
ftconfig_h = custom_target('ftconfig.h',
input: ftconfig_h_in,
output: 'ftconfig.h',
command: ftconfig_command,
install: true,
install_dir: 'include/freetype2/freetype/config',
)
ft2_sources += ftconfig_h
ft2_defines += ['-DFT_CONFIG_CONFIG_H=<ftconfig.h>']
endif
ft2_lib = library('freetype',
sources: ft2_sources + [ftmodule_h],
c_args: ft2_defines,
gnu_symbol_visibility: 'hidden',
include_directories: ft2_includes,
dependencies: ft2_deps,
install: true,
version: ft2_so_version,
)
# To be used by other projects including this one through subproject().
freetype_dep = declare_dependency(
include_directories: ft2_includes,
link_with: ft2_lib,
version: ft2_pkgconfig_version)
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: 'include/freetype2')
install_headers(ft2_public_headers,
install_dir: 'include/freetype2/freetype')
install_headers(ft2_config_headers,
install_dir: 'include/freetype2/freetype/config')
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_pkgconfig_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=' + meson.project_version(),
'--input-dir=' + meson.source_root(),
'--output-dir=@OUTPUT@'
],
)
summary({'OS': host_machine.system(),
'Zlib': zlib_dep.found() ? 'yes' : 'no',
'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: 'Configuration Options Summary:')
# EOF
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