project('pango', 'c', 'cpp',
version: '1.42.3',
license: 'LGPLv2.1+',
default_options: [
'buildtype=debugoptimized',
'warning_level=1',
'c_std=c99',
],
meson_version : '>= 0.43.0')
add_project_arguments([ '-D_POSIX_C_SOURCE=200809L', '-D_POSIX_THREAD_SAFE_FUNCTIONS', '-D_GNU_SOURCE', ], language: 'c')
pango_prefix = get_option('prefix')
pango_libdir = join_paths(pango_prefix, get_option('libdir'))
pango_sysconfdir = join_paths(pango_prefix, get_option('sysconfdir'))
pango_includedir = join_paths(pango_prefix, get_option('includedir'))
pango_datadir = join_paths(pango_prefix, get_option('datadir'))
pango_libexecdir = join_paths(pango_prefix, get_option('libexecdir'))
version = meson.project_version().split('.')
pango_major_version = version[0].to_int()
pango_minor_version = version[1].to_int()
pango_micro_version = version[2].to_int()
pango_interface_age = pango_minor_version.is_odd() ? 0 : pango_micro_version
pango_binary_age = pango_minor_version * 100 + pango_micro_version
pango_api_version = '@0@.0'.format(pango_major_version)
pango_api_path = 'pango-@0@/pango'.format(pango_api_version)
pango_conf = configuration_data()
pango_conf.set('PANGO_BINARY_AGE', pango_binary_age)
pango_conf.set('PANGO_INTERFACE_AGE', pango_interface_age)
pango_conf.set('PANGO_VERSION_MAJOR', pango_major_version)
pango_conf.set('PANGO_VERSION_MINOR', pango_minor_version)
pango_conf.set('PANGO_VERSION_MICRO', pango_micro_version)
# Maintain version scheme with libtool
pango_soversion = 0
pango_libversion = '@0@.@1@.@2@'.format(pango_soversion, (pango_binary_age - pango_interface_age), pango_interface_age)
cc = meson.get_compiler('c')
host_system = host_machine.system()
# Compiler and linker flags
common_cflags = []
common_cppflags = []
common_ldflags = []
# Add more compiler warnings to the default set
if cc.get_id() == 'msvc'
# Compiler options taken from msvc_recommended_pragmas.h
# in GLib, based on _Win32_Programming_ by Rector and Newcomer
test_cflags = []
add_project_arguments([ '-FImsvc_recommended_pragmas.h' ], language: 'c')
test_c_only_flags = []
elif cc.get_id() == 'gcc' or cc.get_id() == 'clang'
test_c_only_flags = [
'-Wimplicit-function-declaration',
'-Wstrict-prototypes',
'-Wmissing-prototypes',
'-Wnested-externs',
'-Wold-style-definition',
'-Wno-int-conversion',
'-Wno-discarded-qualifiers',
]
test_cflags = test_c_only_flags + [
'-fno-strict-aliasing',
'-Wpointer-arith',
'-Wmissing-declarations',
'-Wformat=2',
'-Wformat-nonliteral',
'-Wformat-security',
'-Wunused',
'-Wcast-align',
'-Wmissing-noreturn',
'-Wmissing-format-attribute',
'-Wmissing-include-dirs',
'-Wlogical-op',
'-Wno-uninitialized',
'-Wno-shadow',
'-Werror=redundant-decls',
'-Werror=implicit',
'-Werror=nonnull',
'-Werror=init-self',
'-Werror=main',
'-Werror=missing-braces',
'-Werror=sequence-point',
'-Werror=return-type',
'-Werror=trigraphs',
'-Werror=array-bounds',
'-Werror=write-strings',
'-Werror=address',
'-Werror=int-to-pointer-cast',
'-Werror=pointer-to-int-cast',
'-Werror=empty-body',
'-Werror=write-strings',
'-Wundef', # FIXME: https://bugzilla.gnome.org/show_bug.cgi?id=792481
]
if host_system == 'windows'
test_cflags += [ '-mms-bitfields' ]
endif
else
test_cflags = []
test_c_only_flags = []
endif
# Symbol visibility
if get_option('default_library') != 'static'
if host_system == 'windows'
pango_conf.set('DLL_EXPORT', true)
pango_conf.set('_PANGO_EXTERN', '__declspec(dllexport) extern')
if cc.get_id() != 'msvc'
test_cflags += ['-fvisibility=hidden']
endif
else
pango_conf.set('_PANGO_EXTERN', '__attribute__((visibility("default"))) extern')
test_cflags += ['-fvisibility=hidden']
endif
endif
# Check all compiler flags
foreach cflag: test_cflags
if cc.has_argument(cflag)
common_cflags += [ cflag ]
endif
endforeach
# Isolate the C++ compiler flags
foreach cflag: common_cflags
if not test_c_only_flags.contains(cflag)
common_cppflags += [ cflag ]
endif
endforeach
# Linker flags
if host_machine.system() == 'linux'
foreach ldflag: [ '-Wl,-Bsymbolic', '-Wl,-z,relro', '-Wl,-z,now', ]
if cc.has_argument(ldflag)
common_ldflags += [ ldflag ]
endif
endforeach
endif
# Maintain compatibility with autotools on macOS
if host_machine.system() == 'darwin'
common_ldflags += [ '-compatibility_version 1', '-current_version 1.0', ]
endif
# Functions
checked_funcs = [
'sysconf',
'getpagesize',
'flockfile',
'strtok_r',
]
foreach f: checked_funcs
if cc.has_function(f)
pango_conf.set('HAVE_' + f.underscorify().to_upper(), 1)
endif
endforeach
# Headers
checked_headers = [
'unistd.h',
'sys/mman.h',
'dirent.h',
]
foreach h: checked_headers
if cc.has_header(h)
pango_conf.set('HAVE_' + h.underscorify().to_upper(), 1)
endif
endforeach
buildtype = get_option('buildtype')
if buildtype.startswith('debug')
pango_debug_cflags = [ '-DPANGO_ENABLE_DEBUG', ]
elif buildtype == 'release'
pango_debug_cflags = [ '-DG_DISABLE_CAST_CHECKS', ]
# TODO: We may want a configuration argument to add `G_DISABLE_CHECKS`
# and `G_DISABLE_ASSERT` from the build, for specific build environments.
# On the other hand, those who need these symbols can inject them in their
# build as well.
else
pango_debug_cflags = []
endif
# Dependencies
pango_deps = []
glib_req_version = '>= 2.33.12'
fribidi_req_version = '>= 0.19.7'
libthai_req_version = '>= 0.1.9'
harfbuzz_req_version = '>= 1.4.2'
fontconfig_req_version = '>= 2.11.91'
xft_req_version = '>= 2.0.0'
cairo_req_version = '>= 1.12.10'
# libm
mathlib_dep = cc.find_library('m', required: false)
pango_deps += mathlib_dep
# gobject
gobject_dep = dependency('gobject-2.0', version: glib_req_version)
pango_deps += gobject_dep
fribidi_dep = dependency('fribidi', version: fribidi_req_version)
pango_deps += fribidi_dep
thai_dep = dependency('libthai', version: libthai_req_version, required: false)
if thai_dep.found()
pango_conf.set('HAVE_LIBTHAI', 1)
pango_deps += thai_dep
if cc.has_function('th_brk_find_breaks', dependencies: thai_dep)
pango_conf.set('HAVE_TH_BRK_FIND_BREAKS', 1)
endif
endif
# These are for the various .pc files so that things will link
# properly, depending on whether we have the pkg-config files
# for those non-GNOME dependencies, or when we find them manually
# for MSVC builds, as their MSVC build systems do not generate
# pkg-config files for them
cairo_pc = ''
cairo_lib = ''
harfbuzz_pc=''
freetype2_pc=''
fontconfig_pc=''
harfbuzz_lib=''
freetype2_lib=''
fontconfig_lib=''
harfbuzz_dep = dependency('harfbuzz', version: harfbuzz_req_version, required: false)
if harfbuzz_dep.found()
harfbuzz_pc = 'harfbuzz'
else
if cc.get_id() == 'msvc' and cc.has_header('hb.h')
# The CMake build files for HarfBuzz (which is used for MSVC builds) do not
# generate pkg-config files, so look for harfbuzz.lib
harfbuzz_dep = cc.find_library('harfbuzz', required: false)
if harfbuzz_dep.found()
harfbuzz_lib = '-lharfbuzz'
endif
endif
endif
if harfbuzz_dep.found()
pango_deps += harfbuzz_dep
endif
fontconfig_dep = dependency('fontconfig', version: fontconfig_req_version, required: false)
if fontconfig_dep.found()
fontconfig_pc = 'fontconfig'
else
if cc.get_id() == 'msvc' and cc.has_header('fontconfig/fontconfig.h')
# Look for the Visual Studio-style import library if FontConfig's .pc file cannot be
# found on Visual Studio
fontconfig_dep = cc.find_library('fontconfig', required: false)
if fontconfig_dep.found()
fontconfig_lib = '-lfontconfig'
endif
endif
endif
if fontconfig_dep.found()
pango_deps += fontconfig_dep
if cc.has_function('FcWeightFromOpenTypeDouble', dependencies: fontconfig_dep)
pango_conf.set('HAVE_FCWEIGHTFROMOPENTYPEDOUBLE', 1)
endif
endif
# The first version of freetype with a pkg-config file is 2.1.5
# We require both fontconfig and freetype if we are to have either.
freetype_dep = dependency('freetype2', required: false)
if freetype_dep.found()
freetype2_pc = 'freetype2'
else
if cc.get_id() == 'msvc' and cc.has_header('ft2build.h')
foreach ft2_lib: ['freetype', 'freetypemt']
if not freetype_dep.found()
freetype_dep = cc.find_library(ft2_lib, required: false)
if freetype_dep.found()
freetype2_lib = '-l@0@'.format(ft2_lib)
endif
endif
endforeach
endif
endif
# To build pangoft2, we need HarfBuzz, FontConfig and FreeType
build_pangoft2 = harfbuzz_dep.found() and fontconfig_dep.found() and freetype_dep.found()
if build_pangoft2
pango_conf.set('HAVE_FREETYPE', 1)
pango_deps += freetype_dep
endif
xft_dep = dependency('xft', version: xft_req_version, required: false)
if xft_dep.found()
pango_conf.set('HAVE_XFT', 1)
pango_deps += dependency('xrender', required: false)
pango_deps += xft_dep
endif
if host_system == 'darwin'
has_core_text = cc.links('''#include <Carbon/Carbon.h>
int main (void) {
CTGetCoreTextVersion ();
return 0;
}''',
name: 'CoreText availability',
dependencies: dependency('appleframeworks', modules: 'ApplicationServices'))
if has_core_text
pango_conf.set('HAVE_CORE_TEXT', 1)
endif
endif
cairo_pkgconfig_found = false
cairo_dep = dependency('cairo', version: cairo_req_version, required: false)
if cairo_dep.found()
cairo_pkgconfig_found = true
else
if cc.get_id() == 'msvc' and cc.has_header('cairo.h')
cairo_dep = cc.find_library('cairo', required: false)
endif
endif
pango_font_backends = []
pango_cairo_backends = []
if cairo_pkgconfig_found
# Check the following Cairo font backends
# - dependency
# - version
# - define
# - backend name
# Note that Cairo can be built with FreeType but without FontConfig
cairo_font_backends = [
[ 'cairo-ft', cairo_req_version, 'HAVE_CAIRO_FREETYPE', 'freetype', ],
[ 'cairo-win32', cairo_req_version, 'HAVE_CAIRO_WIN32', 'win32', ],
[ 'cairo-quartz', cairo_req_version, 'HAVE_CAIRO_QUARTZ', 'quartz', ],
]
foreach b: cairo_font_backends
dep = dependency(b[0], version: b[1], required: false)
if dep.found()
if b[0] == 'cairo-ft'
if build_pangoft2
pango_conf.set(b[2], 1)
pango_font_backends += b[3]
endif
else
pango_conf.set(b[2], 1)
pango_font_backends += b[3]
endif
endif
endforeach
if pango_font_backends.length() == 0
error('No Cairo font backends found')
endif
# Check the following Cairo surface backends
# - dependency
# - version
# - define
# - backend name
cairo_surface_backends = [
[ 'cairo-png', cairo_req_version, 'HAVE_CAIRO_PNG', 'png', ],
[ 'cairo-ps', cairo_req_version, 'HAVE_CAIRO_PS', 'ps', ],
[ 'cairo-pdf', cairo_req_version, 'HAVE_CAIRO_PDF', 'pdf', ],
[ 'cairo-xlib', cairo_req_version, 'HAVE_CAIRO_XLIB', 'xlib', ],
]
foreach b: cairo_surface_backends
dep = dependency(b[0], version: b[1], required: false)
if dep.found()
pango_conf.set(b[2], 1)
pango_cairo_backends += b[3]
endif
endforeach
# This is to set up pangocairo.pc so that things that refer to
# it will link correctly
cairo_pc = 'cairo'
elif (cc.get_id() == 'msvc' and cairo_dep.found())
# Fallback: Look for Cairo items manually
# We need to check for headers for some
cairo_headers = [ 'win32', 'quartz', 'ps', 'pdf', 'xlib' ]
foreach header : cairo_headers
if cc.has_header('cairo-@0@.h'.format(header))
pango_conf.set('HAVE_CAIRO_@0@'.format(header.underscorify().to_upper()), 1)
if header == 'win32' or header == 'quartz'
pango_font_backends += header
else
pango_cairo_backends += header
endif
endif
endforeach
# Other cairo features that we need to check for symbols
# Note that Cairo with FreeType support can be without FontConfig
# support, so we must check for FontConfig support in Cairo
if cc.links('''#include <cairo-ft.h>
int main() {
FcPattern *p = NULL;
cairo_ft_font_face_create_for_pattern (p);
return 0;
}''',
dependencies: cairo_dep,
name : 'Cairo is built with FreeType and FontConfig support')
if build_pangoft2
pango_conf.set('HAVE_CAIRO_FREETYPE', 1)
pango_font_backends += 'freetype'
endif
endif
if pango_font_backends.length() == 0
error('No Cairo font backends found')
endif
# Check for Cairo's libpng output surface support
if cc.links('''#include <cairo.h>
#include <stdio.h>
int main() {
cairo_surface_t *s = NULL;
const char *f = "abc.png";
cairo_surface_write_to_png (s, f);
return 0;
}''',
dependencies: cairo_dep,
name : 'Cairo is built with PNG output surface support')
pango_conf.set('HAVE_CAIRO_PNG', 1)
pango_cairo_backends += 'png'
endif
# This is to set up pangocairo.pc so that things that refer to
# it will link correctly, when we don't have pkg-config files for cairo
cairo_lib = '-lcairo'
endif
if cairo_dep.found()
pango_conf.set('HAVE_CAIRO', 1)
pango_deps += cairo_dep
pangocairo_requires = ''
if pango_font_backends.contains('freetype')
pangocairo_requires += 'pangoft2 '
endif
if pango_font_backends.contains('win32')
pangocairo_requires += 'pangowin32 '
endif
endif
# Compat variables for pkgconfig
pkgconf = configuration_data()
pkgconf.set('prefix', pango_prefix)
pkgconf.set('exec_prefix', pango_prefix)
pkgconf.set('libdir', pango_libdir)
pkgconf.set('includedir', pango_includedir)
pkgconf.set('VERSION', meson.project_version())
pkgconf.set('PANGO_API_VERSION', pango_api_version)
pkgconf.set('PKGCONFIG_CAIRO_REQUIRES', pangocairo_requires)
pkgconf.set('CAIRO_PC', cairo_pc)
pkgconf.set('CAIRO_LIB', cairo_lib)
pkgconf.set('FREETYPE2_PC', freetype2_pc)
pkgconf.set('FREETYPE2_LIB', freetype2_lib)
pkgconf.set('FONTCONFIG_PC', fontconfig_pc)
pkgconf.set('FONTCONFIG_LIB', fontconfig_lib)
pkgconf.set('HARFBUZZ_PC', harfbuzz_pc)
pkgconf.set('HARFBUZZ_LIB', harfbuzz_lib)
pkgconf_files = [
[ 'pango.pc' ],
[ 'pangowin32.pc', host_system == 'windows' ],
[ 'pangoft2.pc', build_pangoft2 ],
[ 'pangoxft.pc', xft_dep.found() ],
[ 'pangocairo.pc', cairo_dep.found() ],
]
foreach pkg: pkgconf_files
pkg_name = pkg[0]
pkg_enabled = pkg.get(1, true)
if pkg_enabled
configure_file(input: pkg_name + '.in',
output: pkg_name,
configuration: pkgconf,
install: true,
install_dir: join_paths(pango_libdir, 'pkgconfig'))
endif
endforeach
gnome = import('gnome')
# Internal configuration header
configure_file(output: 'config.h', configuration: pango_conf)
root_inc = include_directories('.')
subdir('pango')
subdir('utils')
subdir('examples')
subdir('tests')
subdir('tools')
if get_option('enable_docs')
subdir('docs')
endif