gtk2/meson.build

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project('gtk', 'c',
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version: '3.99.1',
default_options: [
'buildtype=debugoptimized',
'warning_level=1',
# We only need c99, but glib needs GNU-specific features
# https://github.com/mesonbuild/meson/issues/2289
'c_std=gnu99',
],
meson_version : '>= 0.53',
license: 'LGPLv2.1+')
glib_major_req = 2
glib_minor_req = 65
glib_micro_req = 0
if glib_minor_req.is_odd()
glib_min_required = 'GLIB_VERSION_@0@_@1@'.format(glib_major_req, glib_minor_req - 1)
else
glib_min_required = 'GLIB_VERSION_@0@_@1@'.format(glib_major_req, glib_minor_req)
endif
if glib_minor_req.is_odd()
glib_max_allowed = 'GLIB_VERSION_@0@_@1@'.format(glib_major_req, glib_minor_req + 1)
else
glib_max_allowed = 'GLIB_VERSION_@0@_@1@'.format(glib_major_req, glib_minor_req)
endif
glib_req = '>= @0@.@1@.@2@'.format(glib_major_req, glib_minor_req, glib_micro_req)
pango_req = '>= 1.45.5'
fribidi_req = '>= 0.19.7'
cairo_req = '>= 1.14.0'
gdk_pixbuf_req = '>= 2.30.0'
introspection_req = '>= 1.39.0'
wayland_proto_req = '>= 1.20'
wayland_req = '>= 1.14.91'
graphene_req = '>= 1.9.1'
epoxy_req = '>= 1.4'
cloudproviders_req = '>= 0.3.1'
xkbcommon_req = '>= 0.2.0'
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gnome = import('gnome')
add_project_arguments('-DG_LOG_USE_STRUCTURED=1', language: 'c')
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add_project_arguments('-DGLIB_MIN_REQUIRED_VERSION=' + glib_min_required, language: 'c')
add_project_arguments('-DGLIB_MAX_ALLOWED_VERSION=' + glib_max_allowed, language: 'c')
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# Making releases:
# 1. gtk_micro_version += 1;
# 2. gtk_interface_age += 1;
# 3. if any functions have been added, set gtk_interface_age to 0.
# 4. if backwards compatibility has been broken, we're in trouble
gtk_version = meson.project_version()
gtk_major_version = gtk_version.split('.')[0].to_int()
gtk_minor_version = gtk_version.split('.')[1].to_int()
gtk_micro_version = gtk_version.split('.')[2].to_int()
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gtk_interface_age = 0
add_project_arguments('-DGTK_VERSION="@0@"'.format(meson.project_version()), language: 'c')
add_project_arguments('-D_GNU_SOURCE', language: 'c')
# Use debug/optimization flags to determine whether to enable debug or disable
# cast checks
gtk_debug_cflags = []
debug = get_option('debug')
optimization = get_option('optimization')
if debug
gtk_debug_cflags += '-DG_ENABLE_DEBUG'
if optimization in ['0', 'g']
gtk_debug_cflags += '-DG_ENABLE_CONSISTENCY_CHECKS'
endif
elif optimization in ['2', '3', 's']
gtk_debug_cflags += '-DG_DISABLE_CAST_CHECKS'
endif
add_project_arguments(gtk_debug_cflags, language: 'c')
# Define a string for the earliest version that this release has
# backwards binary compatibility with for all interfaces a module
# might. Unless we add module-only API with lower stability
# guarantees, this should be unchanged until we break binary compat
# for GTK+.
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gtk_binary_version = '4.0.0'
gtk_binary_age = 100 * gtk_minor_version + gtk_micro_version
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gtk_soversion = '0'
gtk_library_version = '0.@0@.@1@'.format(gtk_binary_age - gtk_interface_age, gtk_interface_age)
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gtk_api_version = '4.0'
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x11_enabled = get_option('x11-backend')
wayland_enabled = get_option('wayland-backend')
broadway_enabled = get_option('broadway-backend')
macos: prototype new GDK backend for macOS This is fairly substantial rewrite of the GDK backend for quartz and renamed to macOS to allow for a greenfield implementation. Many things have come across from the quartz implementation fairly intact such as the eventloop integration design and discovery of event windows from the NSEvent. However much has been changed to fit in with the new GDK design and how removal of child GdkWindow have been completely eliminated. Furthermore, the new GdkPopup allows for regular NSWindow to be used to provide popovers unlike the previous implementation. The object design more closely follows the ideal for a GDK backend. Views have been broken out into subclasses so that we can support multiple GSK renderer paths such as GL and Cairo (and Metal in the future). However mixed mode GL and Cairo will not be supported. Currently only the Cairo renderer has been implemented. A new frame clock implementation using CVDisplayLink provides more accurate information about when to draw drawing the next frame. Some testing will need to be done here to understand the power implications of this. This implementation has also gained edge snapping for CSD windows. Some work was also done to ensure that CSD windows have opaque regions registered with the display server. ** This is still very much a work-in-progress ** Some outstanding work that needs to be done: - Finish a GL context for macOS and alternate NSView for GL rendering (possibly using speciailized CALayer for OpenGL). - Input rework to ensure that we don't loose remapping of keys that was dropped from GDK during GTK 4 development. - Make sure input methods continue to work. - Drag-n-Drop is still very much a work in progress - High resolution input scrolling needs various work in GDK to land first before we can plumb that to NSEvent. - gtk/ has a number of things based on GDK_WINDOWING_QUARTZ that need to be updated to use the macOS backend. But this is good enough to start playing with and breaking things which is what I'd like to see.
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macos_enabled = get_option('macos-backend')
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win32_enabled = get_option('win32-backend')
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os_unix = false
os_linux = false
os_win32 = false
os_darwin = false
# Some windowing system backends depend on the platform we're
# building for, so we need to ensure they are disabled; in other
# cases, they are the only windowing system available, so we need
# to ensure they are enabled
if host_machine.system() == 'darwin'
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os_darwin = true
elif host_machine.system() == 'windows'
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os_win32 = true
elif host_machine.system() == 'linux'
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os_linux = true
endif
os_unix = not os_win32
if os_darwin
wayland_enabled = false
else
quartz_enabled = false
macos: prototype new GDK backend for macOS This is fairly substantial rewrite of the GDK backend for quartz and renamed to macOS to allow for a greenfield implementation. Many things have come across from the quartz implementation fairly intact such as the eventloop integration design and discovery of event windows from the NSEvent. However much has been changed to fit in with the new GDK design and how removal of child GdkWindow have been completely eliminated. Furthermore, the new GdkPopup allows for regular NSWindow to be used to provide popovers unlike the previous implementation. The object design more closely follows the ideal for a GDK backend. Views have been broken out into subclasses so that we can support multiple GSK renderer paths such as GL and Cairo (and Metal in the future). However mixed mode GL and Cairo will not be supported. Currently only the Cairo renderer has been implemented. A new frame clock implementation using CVDisplayLink provides more accurate information about when to draw drawing the next frame. Some testing will need to be done here to understand the power implications of this. This implementation has also gained edge snapping for CSD windows. Some work was also done to ensure that CSD windows have opaque regions registered with the display server. ** This is still very much a work-in-progress ** Some outstanding work that needs to be done: - Finish a GL context for macOS and alternate NSView for GL rendering (possibly using speciailized CALayer for OpenGL). - Input rework to ensure that we don't loose remapping of keys that was dropped from GDK during GTK 4 development. - Make sure input methods continue to work. - Drag-n-Drop is still very much a work in progress - High resolution input scrolling needs various work in GDK to land first before we can plumb that to NSEvent. - gtk/ has a number of things based on GDK_WINDOWING_QUARTZ that need to be updated to use the macOS backend. But this is good enough to start playing with and breaking things which is what I'd like to see.
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macos_enabled = false
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endif
if os_win32
wayland_enabled = false
x11_enabled = false
else
win32_enabled = false
endif
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gtk_prefix = get_option('prefix')
gtk_includedir = join_paths(gtk_prefix, get_option('includedir'))
gtk_libdir = join_paths(gtk_prefix, get_option('libdir'))
gtk_datadir = join_paths(gtk_prefix, get_option('datadir'))
gtk_localedir = join_paths(gtk_prefix, get_option('localedir'))
gtk_sysconfdir = join_paths(gtk_prefix, get_option('sysconfdir'))
gtk_applicationsdir = join_paths(gtk_datadir, 'applications')
gtk_schemasdir = join_paths(gtk_datadir, 'glib-2.0/schemas')
gtk_appdatadir = join_paths(gtk_datadir, 'metainfo')
cc = meson.get_compiler('c')
cdata = configuration_data()
cdata.set_quoted('PACKAGE_VERSION', meson.project_version())
cdata.set_quoted('GTK_LOCALEDIR', gtk_localedir)
cdata.set_quoted('GTK_DATADIR', gtk_datadir)
cdata.set_quoted('GTK_LIBDIR', gtk_libdir)
cdata.set_quoted('GTK_SYSCONFDIR', gtk_sysconfdir)
cdata.set_quoted('GETTEXT_PACKAGE', 'gtk40')
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cdata.set('GTK_MAJOR_VERSION', gtk_major_version)
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cdata.set('GTK_MINOR_VERSION', gtk_minor_version)
cdata.set('GTK_MICRO_VERSION', gtk_micro_version)
cdata.set('GTK_BINARY_AGE', gtk_binary_age)
cdata.set('GTK_INTERFACE_AGE', gtk_interface_age)
check_headers = [
'crt/externs.h',
'dev/evdev/input.h',
'dlfcn.h',
'ftw.h',
'inttypes.h',
'linux/input.h',
'linux/memfd.h',
'locale.h',
'memory.h',
'stdint.h',
'stdlib.h',
'strings.h',
'string.h',
'sys/mman.h',
'sys/param.h',
'sys/stat.h',
'sys/sysinfo.h',
'sys/systeminfo.h',
'sys/time.h',
'sys/types.h',
'unistd.h',
]
foreach h : check_headers
if cc.has_header(h)
cdata.set('HAVE_' + h.underscorify().to_upper(), 1)
endif
endforeach
# Maths functions might be implemented in libm
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libm = cc.find_library('m', required: false)
check_functions = [
'dcgettext',
'getpagesize',
'getresuid',
'lstat',
'mmap',
'posix_fallocate',
'_lock_file',
'flockfile',
'mkstemp',
'mallinfo',
'sincos',
'sincosf',
]
foreach func : check_functions
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if cc.has_function(func, dependencies: libm)
cdata.set('HAVE_' + func.underscorify().to_upper(), 1)
endif
endforeach
# Check for __uint128_t (gcc) by checking for 128-bit division
uint128_t_src = '''int main() {
static __uint128_t v1 = 100;
static __uint128_t v2 = 10;
static __uint128_t u;
u = v1 / v2;
}'''
if cc.compiles(uint128_t_src, name : '__uint128_t available')
cdata.set('HAVE_UINT128_T', 1)
endif
# Check for mlock
if cc.has_function('mlock', prefix: '#include <sys/mman.h>')
cdata.set('HAVE_MLOCK', 1)
endif
# Disable deprecation checks for all libraries we depend on on stable branches.
# This is so newer versions of those libraries don't cause more warnings with
# a stable GTK version.
#
# We don't ever want to turn off deprecation warnings for development cycles,
# however, because that's where we get rid of deprecated API we use.
if gtk_minor_version.is_even()
cdata.set('GLIB_DISABLE_DEPRECATION_WARNINGS', 1)
endif
# Compiler flags
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 = [
'-FImsvc_recommended_pragmas.h',
'-D_USE_MATH_DEFINES',
'-utf-8',
]
add_project_arguments(cc.get_supported_arguments(test_cflags), language: 'c')
add_languages('cpp')
cxx = meson.get_compiler('cpp')
if cxx.get_id() == 'msvc'
add_project_arguments(cxx.get_supported_arguments(test_cflags), language: 'cpp')
endif
elif cc.get_id() == 'gcc' or cc.get_id() == 'clang'
test_cflags = [
'-fno-strict-aliasing',
'-Wno-c++11-extensions',
'-Wno-missing-include-dirs',
'-Wno-typedef-redefinition',
'-Wcast-align',
'-Wduplicated-branches',
'-Wduplicated-cond',
'-Wformat=2',
'-Wformat-nonliteral',
'-Wformat-security',
'-Wignored-qualifiers',
'-Wimplicit-function-declaration',
'-Wlogical-op',
'-Wmisleading-indentation',
'-Wmissing-format-attribute',
'-Wmissing-include-dirs',
'-Wmissing-noreturn',
'-Wnested-externs',
'-Wnull-dereference',
'-Wold-style-definition',
'-Wpointer-arith',
'-Wshadow',
'-Wstrict-prototypes',
'-Wswitch-default',
'-Wswitch-enum',
'-Wundef',
'-Wuninitialized',
'-Wunused',
'-Werror=address',
'-Werror=array-bounds',
'-Werror=empty-body',
'-Werror=implicit',
'-Werror=implicit-fallthrough',
'-Werror=init-self',
'-Werror=int-to-pointer-cast',
'-Werror=main',
'-Werror=missing-braces',
'-Werror=missing-declarations',
'-Werror=missing-prototypes',
'-Werror=nonnull',
'-Werror=pointer-to-int-cast',
'-Werror=redundant-decls',
'-Werror=return-type',
'-Werror=sequence-point',
'-Werror=trigraphs',
'-Werror=vla',
'-Werror=write-strings',
]
else
test_cflags = []
endif
common_cflags = cc.get_supported_arguments(test_cflags)
# Symbol visibility
if os_win32
visibility_define = '__declspec(dllexport) extern'
else
visibility_define = '__attribute__((visibility("default"))) extern'
endif
if get_option('default_library') != 'static'
cdata.set('_GDK_EXTERN', visibility_define)
if os_win32
cdata.set('DLL_EXPORT', true)
endif
if cc.get_id() != 'msvc'
common_cflags += ['-fvisibility=hidden']
endif
endif
common_ldflags = []
if os_unix and not os_darwin
foreach ldflag: [ '-Wl,-Bsymbolic', '-Wl,-z,relro', '-Wl,-z,now', ]
if cc.links('int main () { return 0; }', name: ldflag, args: ldflag)
common_ldflags += [ ldflag ]
endif
endforeach
endif
confinc = include_directories('.')
gdkinc = include_directories('gdk')
gskinc = include_directories('gsk')
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gtkinc = include_directories('gtk')
testinc = include_directories('tests')
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# Dependencies
glib_dep = dependency('glib-2.0', version: glib_req,
fallback : ['glib', 'libglib_dep'])
gobject_dep = dependency('gobject-2.0', version: glib_req,
fallback : ['glib', 'libgobject_dep'])
if os_win32
giowin32_dep = dependency('gio-windows-2.0', version: glib_req, required: win32_enabled,
fallback : ['glib', 'libgio_dep'])
endif
if os_unix
giounix_dep = dependency('gio-unix-2.0', version: glib_req, required: false,
fallback : ['glib', 'libgio_dep'])
endif
gmodule_dep = dependency('gmodule-2.0', version: glib_req,
fallback : ['glib', 'libgmodule_dep'])
cairo_dep = dependency('cairo', version: cairo_req, required : cc.get_id() != 'msvc')
cairogobj_dep = dependency('cairo-gobject', version: cairo_req, required : cc.get_id() != 'msvc')
pango_dep = dependency('pango', version: pango_req,
fallback : ['pango', 'libpango_dep'])
fribidi_dep = dependency('fribidi', version: fribidi_req,
fallback : ['fribidi', 'libfribidi_dep'])
# Require PangoFT2 if on X11 or wayland
require_pangoft2 = wayland_enabled or x11_enabled
if require_pangoft2
pangoft_dep = dependency('pangoft2', version: pango_req,
fallback : ['pango', 'libpangoft2_dep'])
else
pangoft_dep = dependency('pangoft2', required: false)
endif
if win32_enabled
# for GTK_IM_CONTEXT_IME
pangowin32_dep = dependency('pangowin32')
endif
pangocairo_dep = dependency('pangocairo', version: pango_req,
fallback : ['pango', 'libpangocairo_dep'])
pixbuf_dep = dependency('gdk-pixbuf-2.0', version: gdk_pixbuf_req,
fallback : ['gdk-pixbuf', 'gdkpixbuf_dep'])
epoxy_dep = dependency('epoxy', version: epoxy_req,
fallback: ['libepoxy', 'libepoxy_dep'])
harfbuzz_dep = dependency('harfbuzz', version: '>= 0.9', required: false)
xkbdep = dependency('xkbcommon', version: xkbcommon_req, required: wayland_enabled)
graphene_dep = dependency('graphene-gobject-1.0', version: graphene_req,
fallback: ['graphene', 'graphene_dep'])
iso_codes_dep = dependency('iso-codes', required: false)
gtk_doc_dep = dependency('gtk-doc', version: '>=1.99',
fallback: ['gtk-doc', 'dummy_dep'],
default_options: ['tests=false', 'yelp_manual=false'],
required: get_option('gtk_doc'))
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fontconfig_dep = [] # only used in x11 backend
if os_win32
platform_gio_dep = giowin32_dep
endif
if os_unix
platform_gio_dep = giounix_dep
endif
tracker3_dep = dependency('tracker-sparql-3.0', required: get_option('tracker'))
cdata.set('HAVE_TRACKER3', tracker3_dep.found())
colord_dep = dependency('colord', version: '>= 0.1.9', required: get_option('colord'))
cdata.set('HAVE_COLORD', colord_dep.found())
if iso_codes_dep.found()
cdata.set_quoted('ISO_CODES_PREFIX', iso_codes_dep.get_pkgconfig_variable('prefix'))
else
cdata.set_quoted('ISO_CODES_PREFIX', '/usr')
endif
backend_immodules = []
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pc_gdk_extra_libs = []
cairo_backends = []
foreach backend: [ ['cairo-xlib', cairo_req, x11_enabled],
['cairo-win32', cairo_req, win32_enabled],
['cairo-quartz', cairo_req, quartz_enabled],
['cairo', cairo_req, broadway_enabled or wayland_enabled], ]
backend_enabled = backend.get(2)
cairo_backend_req = backend.get(1)
cairo_backend = backend.get(0)
if backend_enabled
if dependency(cairo_backend, version: cairo_backend_req, required : cc.get_id() != 'msvc').found()
cairo_backends += [ cairo_backend ]
endif
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endif
endforeach
cairo_pkg_found = false
cairogobj_pkg_found = false
if cairo_dep.found()
cairo_pkg_found = true
endif
if cairogobj_dep.found()
cairogobj_pkg_found = true
endif
cairo_libs = []
if cc.get_id() == 'msvc'
# Fallback dependency discovery for those on Visual Studio that do not generate
# pkg-config files in their build systems for MSVC
# Fallback for Cairo
if not cairo_dep.found()
if (cc.has_header('cairo.h') and cc.has_header('cairo-win32.h'))
cairo_dep = cc.find_library('cairo')
if cairo_dep.found()
cairo_libs += '-lcairo'
endif
endif
endif
# Fallback for Cairo-GObject
if not cairogobj_dep.found()
if cc.has_header('cairo-gobject.h')
cairogobj_dep = cc.find_library('cairo-gobject')
if cairogobj_dep.found()
cairo_libs += '-lcairo-gobject'
endif
endif
endif
# Fallback for HarfBuzz
if not harfbuzz_dep.found()
if cc.has_header('hb.h')
harfbuzz_dep = cc.find_library('harfbuzz', required : false)
endif
endif
endif
cairo_csi_dep = cc.find_library('cairo-script-interpreter',
required: get_option('build-tests'))
if not harfbuzz_dep.found()
harfbuzz_dep = dependency('harfbuzz', version: '>= 0.9', required: false,
fallback: ['harfbuzz', 'libharfbuzz_dep'])
endif
cdata.set('HAVE_CAIRO_SCRIPT_INTERPRETER', cairo_csi_dep.found())
cdata.set('HAVE_HARFBUZZ', harfbuzz_dep.found())
cdata.set('HAVE_PANGOFT', pangoft_dep.found())
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wayland_pkgs = []
if wayland_enabled
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wlclientdep = dependency('wayland-client', version: wayland_req)
wlprotocolsdep = dependency('wayland-protocols', version: wayland_proto_req, required: false)
wlegldep = dependency('wayland-egl')
backend_immodules += ['wayland']
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if not wlprotocolsdep.found()
wlproto_dir = subproject('wayland-protocols').get_variable('wayland_protocols_srcdir')
else
wlproto_dir = wlprotocolsdep.get_pkgconfig_variable('pkgdatadir')
endif
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wayland_pkgs = [
'wayland-client', wayland_req,
'wayland-protocols', wayland_proto_req,
'xkbcommon', xkbcommon_req,
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'wayland-egl',
]
endif
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x11_pkgs = []
if x11_enabled
xrandr_dep = dependency('xrandr', version: '>= 1.2.99')
xrandr15_dep = dependency('xrandr', version: '>= 1.5', required: false)
x11_dep = dependency('x11')
xrender_dep = dependency('xrender')
xi_dep = dependency('xi')
xext_dep = dependency('xext')
xcursor_dep = dependency('xcursor', required: false)
xdamage_dep = dependency('xdamage', required: false)
xfixes_dep = dependency('xfixes', required: false)
xcomposite_dep = dependency('xcomposite', required: false)
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fontconfig_dep = dependency('fontconfig')
backend_immodules += ['xim']
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x11_pkgs = ['fontconfig', 'x11', 'xext', 'xi', 'xrandr']
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if xcursor_dep.found()
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x11_pkgs += ['xcursor']
endif
if xdamage_dep.found()
x11_pkgs += ['xdamage']
endif
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if xfixes_dep.found()
x11_pkgs += ['xfixes']
endif
if xcomposite_dep.found()
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x11_pkgs += ['xcomposite']
endif
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cdata.set('HAVE_XCURSOR', xcursor_dep.found())
cdata.set('HAVE_XDAMAGE', xdamage_dep.found())
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cdata.set('HAVE_XCOMPOSITE', xcomposite_dep.found())
cdata.set('HAVE_XFIXES', xfixes_dep.found())
if cc.has_function('XkbQueryExtension', dependencies: x11_dep,
prefix : '#include <X11/XKBlib.h>')
cdata.set('HAVE_XKB', 1)
endif
if cc.has_function('XSyncQueryExtension', dependencies: xext_dep,
prefix: '''#include <X11/Xlib.h>
#include <X11/extensions/sync.h>''')
cdata.set('HAVE_XSYNC', 1)
endif
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if cc.has_function('XGetEventData', dependencies: x11_dep)
cdata.set('HAVE_XGENERICEVENTS', 1)
endif
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if not xi_dep.found() or not cc.has_header('X11/extensions/XInput2.h', dependencies: xi_dep)
error('X11 backend enabled, but XInput2 not found.')
endif
# Note that we also check that the XIScrollClassInfo struct is defined,
# because at least Ubuntu Oneiric seems to have XIAllowTouchEvents(),
# but not the XIScrollClassInfo struct
has_allow_touch_events = cc.has_function('XIAllowTouchEvents', dependencies: xi_dep)
has_scroll_class_info = cc.has_member('XIScrollClassInfo', 'number', dependencies: xi_dep,
prefix: '''#include <X11/Xlib.h>
#include <X11/extensions/XInput2.h>''')
if has_allow_touch_events and has_scroll_class_info
cdata.set('XINPUT_2_2', 1)
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endif
enable_xinerama = get_option('xinerama').enabled()
if enable_xinerama
xinerama_dep = dependency('xinerama', required: true)
if xinerama_dep.found() and cc.has_header_symbol('X11/extensions/Xinerama.h', 'XineramaQueryExtension', dependencies: xinerama_dep)
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cdata.set('HAVE_XFREE_XINERAMA', 1)
x11_pkgs += ['xinerama']
endif
else
xinerama_dep = []
endif
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cdata.set('HAVE_RANDR', xrandr_dep.found())
cdata.set('HAVE_RANDR15', xrandr15_dep.found())
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endif
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if broadway_enabled
pc_gdk_extra_libs += ['-lz']
backend_immodules += ['broadway']
endif
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if quartz_enabled
pc_gdk_extra_libs += ['-framework Cocoa', '-framework Carbon']
backend_immodules += ['quartz']
endif
extra_demo_ldflags = []
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if win32_enabled
pc_gdk_extra_libs += ['-lgdi32', '-limm32', '-lshell32', '-lole32']
if cc.get_id() == 'msvc'
# Since the demo programs are now built as pure GUI programs, we
# need to pass in /entry:mainCRTStartup so that they will properly
# link on Visual Studio builds
extra_demo_ldflags = ['/entry:mainCRTStartup']
else
pc_gdk_extra_libs += ['-Wl,-luuid']
endif
pc_gdk_extra_libs += ['-lwinmm', '-ldwmapi', '-lsetupapi', '-lcfgmgr32']
backend_immodules += ['ime']
# Check whether libepoxy is built with EGL support on Windows
win32_has_egl = cc.links(
'''
#include <epoxy/egl.h>
int main(int argc, char *argv[])
{
EGLDisplay disp = EGL_NO_DISPLAY;
return epoxy_egl_version (disp);
}
''',
dependencies : epoxy_dep,
name : 'libepoxy supports EGL on Windows'
)
endif
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# Check for bind_textdomain_codeset, including -lintl if GLib brings it in by
# doing the same check as glib. We can't check that by linking to glib because
# it might be a subproject and hence not built yet.
if cc.has_function('ngettext')
libintl_dep = []
cdata.set('HAVE_BIND_TEXTDOMAIN_CODESET', 1)
else
libintl_dep = cc.find_library('intl', required : false)
if cc.has_function('bind_textdomain_codeset', dependencies: libintl_dep)
cdata.set('HAVE_BIND_TEXTDOMAIN_CODESET', 1)
else
# Don't use subproject('proxy-libintl').get_variable('intl_dep') because that
# makes the dependency unconditional. This way, people have the option of
# either not providing the subproject or disabling it entirely with
# --wrap-mode=nodownload or nofallback.
libintl_dep = dependency('', required : false,
fallback: ['proxy-libintl', 'intl_dep'])
if libintl_dep.found()
cdata.set('HAVE_BIND_TEXTDOMAIN_CODESET', 1)
endif
endif
endif
if os_unix
cdata.set('HAVE_GIO_UNIX', giounix_dep.found())
endif
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# Check for Vulkan support
# Uses meson's custom vulkan dependency searching. Set the VULKAN_SDK env var
# to use a custom path for the Vulkan SDK. Bugs that are found with it should
# be reported upstream and fixed.
vulkan_dep = dependency('vulkan', required: get_option('vulkan'))
if vulkan_dep.found()
have_vulkan = true
vulkan_pkg_found = vulkan_dep.type_name() == 'pkgconfig'
else
have_vulkan = false
vulkan_pkg_found = false
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endif
cloudproviders_dep = dependency('cloudproviders',
required: get_option('cloudproviders'),
version: cloudproviders_req,
fallback: [
'libcloudproviders',
'libcloudproviders_dep',
],
default_options: [
'vapigen=false',
])
cdata.set('HAVE_CLOUDPROVIDERS', cloudproviders_dep.found())
# libsysprof-capture support
if not get_option('sysprof').disabled()
libsysprof_capture_dep = dependency('sysprof-capture-4',
required: get_option('sysprof'),
default_options: [
'enable_examples=false',
'enable_gtk=false',
'enable_tests=false',
'enable_tools=false',
'libsysprof=true',
'with_sysprofd=none',
'help=false',
],
fallback: ['sysprof', 'libsysprof_capture_dep'],
)
cdata.set('HAVE_SYSPROF', libsysprof_capture_dep.found())
libsysprof_dep = dependency('sysprof-4',
required: false,
default_options: [
'enable_examples=false',
'enable_gtk=false',
'enable_tests=false',
'enable_tools=false',
'libsysprof=true',
'with_sysprofd=none',
'help=false',
],
fallback: ['sysprof', 'libsysprof_dep'],
)
profiler_enabled = true
else
libsysprof_capture_dep = disabler()
libsysprof_dep = disabler()
profiler_enabled = false
endif
graphene_dep_type = graphene_dep.type_name()
if graphene_dep_type == 'pkgconfig'
graphene_has_sse2 = graphene_dep.get_pkgconfig_variable('graphene_has_sse2') == '1'
graphene_has_gcc = graphene_dep.get_pkgconfig_variable('graphene_has_gcc') == '1'
else
graphene_simd = subproject('graphene').get_variable('graphene_simd')
graphene_has_sse2 = graphene_simd.contains('sse2')
graphene_has_gcc = graphene_simd.contains('gcc')
endif
if graphene_has_sse2 or graphene_has_gcc
message('Need aligned memory due to the use of SSE2 or GCC vector instructions')
if os_win32 and cc.get_id() == 'gcc'
add_project_arguments(['-mstackrealign'], language: 'c')
endif
endif
subdir('gtk/css')
subdir('gdk')
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subdir('gsk')
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subdir('gtk')
subdir('modules')
if get_option('demos')
subdir('demos')
endif
if get_option('build-tests')
subdir('tests')
subdir('testsuite')
endif
if get_option('build-examples')
subdir('examples')
endif
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# config.h
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configure_file(input: 'config.h.meson',
output: 'config.h',
configuration: cdata)
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# pkg-config files - bit of a mess all of this
pkgconf = configuration_data()
pkgconf.set('prefix', get_option('prefix'))
pkgconf.set('exec_prefix', '${prefix}')
pkgconf.set('libdir', '${prefix}' / get_option('libdir'))
pkgconf.set('includedir', '${prefix}' / get_option('includedir'))
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pkgconf.set('GTK_API_VERSION', gtk_api_version)
pkgconf.set('VERSION', meson.project_version())
pkgconf.set('GTK_BINARY_VERSION', gtk_binary_version)
pkgconf.set('host', '@0@-@1@'.format(host_machine.cpu_family(), host_machine.system())) # FIXME
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# Requires
pango_pkgname = win32_enabled ? 'pangowin32' : 'pango'
gdk_packages = ' '.join([ pango_pkgname, pango_req,
'pangocairo', pango_req,
'gdk-pixbuf-2.0', gdk_pixbuf_req ])
if cairo_pkg_found
gdk_packages += ' '.join([ ' cairo', cairo_req ])
endif
if cairogobj_pkg_found
gdk_packages += ' '.join([ ' cairo-gobject', cairo_req ])
endif
if vulkan_pkg_found
gdk_packages += 'vulkan'
endif
pkgconf.set('GDK_PACKAGES', gdk_packages)
pkgconf.set('GSK_PACKAGES',
' '.join([ 'graphene-gobject-1.0', graphene_req ]))
pkgconf.set('GTK_PACKAGES',
' '.join([ 'gio-2.0', glib_req ]))
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# Requires.private
pc_gdk_extra_libs += cairo_libs
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gio_pkgname = os_unix ? 'gio-unix-2.0' : 'gio-2.0'
pkgconf.set('GDK_PRIVATE_PACKAGES',
' '.join([ gio_pkgname, glib_req,
'epoxy', epoxy_req ] + x11_pkgs + wayland_pkgs + cairo_backends))
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pkgconf.set('GSK_PRIVATE_PACKAGES', '') # all already in GDK_PRIVATE_PACKAGES
pangoft2_pkgs = (wayland_enabled or x11_enabled) ? ['pangoft2'] : []
pkgconf.set('GTK_PRIVATE_PACKAGES', ' '.join(pangoft2_pkgs))
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pkgconf.set('GDK_EXTRA_LIBS', ' '.join(pc_gdk_extra_libs))
pkgconf.set('GSK_EXTRA_LIBS', '')
pkgconf.set('GTK_EXTRA_LIBS', '')
pkgconf.set('GDK_EXTRA_CFLAGS', '')
pkgconf.set('GSK_EXTRA_CFLAGS', '')
pkgconf.set('GTK_EXTRA_CFLAGS', '')
pkg_install_dir = join_paths(get_option('libdir'), 'pkgconfig')
pkgs = [ 'gtk4.pc' ]
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pkg_targets = ''
display_backends = []
macos: prototype new GDK backend for macOS This is fairly substantial rewrite of the GDK backend for quartz and renamed to macOS to allow for a greenfield implementation. Many things have come across from the quartz implementation fairly intact such as the eventloop integration design and discovery of event windows from the NSEvent. However much has been changed to fit in with the new GDK design and how removal of child GdkWindow have been completely eliminated. Furthermore, the new GdkPopup allows for regular NSWindow to be used to provide popovers unlike the previous implementation. The object design more closely follows the ideal for a GDK backend. Views have been broken out into subclasses so that we can support multiple GSK renderer paths such as GL and Cairo (and Metal in the future). However mixed mode GL and Cairo will not be supported. Currently only the Cairo renderer has been implemented. A new frame clock implementation using CVDisplayLink provides more accurate information about when to draw drawing the next frame. Some testing will need to be done here to understand the power implications of this. This implementation has also gained edge snapping for CSD windows. Some work was also done to ensure that CSD windows have opaque regions registered with the display server. ** This is still very much a work-in-progress ** Some outstanding work that needs to be done: - Finish a GL context for macOS and alternate NSView for GL rendering (possibly using speciailized CALayer for OpenGL). - Input rework to ensure that we don't loose remapping of keys that was dropped from GDK during GTK 4 development. - Make sure input methods continue to work. - Drag-n-Drop is still very much a work in progress - High resolution input scrolling needs various work in GDK to land first before we can plumb that to NSEvent. - gtk/ has a number of things based on GDK_WINDOWING_QUARTZ that need to be updated to use the macOS backend. But this is good enough to start playing with and breaking things which is what I'd like to see.
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foreach backend: [ 'broadway', 'quartz', 'macos', 'wayland', 'win32', 'x11', ]
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if get_variable('@0@_enabled'.format(backend))
pkgs += ['gtk4-@0@.pc'.format(backend)]
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pkg_targets += ' ' + backend
display_backends += [ backend ]
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endif
endforeach
pkgconf.set('GDK_BACKENDS', pkg_targets.strip())
foreach pkg: pkgs
configure_file(input: 'gtk4.pc.in',
output: pkg,
configuration: pkgconf,
install_dir: pkg_install_dir)
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endforeach
if os_unix
configure_file(input: 'gtk4-unix-print.pc.in',
output: 'gtk4-unix-print.pc',
configuration: pkgconf,
install_dir: pkg_install_dir)
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endif
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subdir('po')
subdir('po-properties')
subdir('docs/tools')
subdir('docs/reference')
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# Keep this in sync with post-install.sh expected arguments
if not meson.is_cross_build()
meson.add_install_script('build-aux/meson/post-install.py',
gtk_api_version,
gtk_binary_version,
gtk_libdir,
gtk_datadir)
else
message('Not executing post-install steps automatically when cross compiling')
endif
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if host_machine.system() != 'windows'
# Install Valgrind suppression files (except on Windows,
# as Valgrind is currently not supported on Windows)
install_data('gtk.supp',
install_dir : join_paths(gtk_datadir, 'gtk-4.0', 'valgrind'))
endif
#### Summary ####
summary('Display backends', display_backends)
summary('Print backends', print_backends)
summary('Media backends', media_backends)
summary('Vulkan support', vulkan_dep.found(), section: 'Features')
summary('Cloud support', cloudproviders_dep.found(), section: 'Features')
summary('Sysprof support', libsysprof_capture_dep.found(), section: 'Features')
summary('Colord support', colord_dep.found(), section: 'Features')
summary('Tracker support', tracker3_dep.found(), section: 'Features')
# Build
summary('Debugging', get_option('debug'), section: 'Build')
summary('Optimization', get_option('optimization'), section: 'Build')
summary('Introspection', get_option('introspection'), section: 'Build')
summary('Documentation', get_option('gtk_doc'), section: 'Build')
summary('Man pages', get_option('man-pages'), section: 'Build')
summary('Tests', get_option('build-tests'), section: 'Build')
summary('Install tests', get_option('install-tests'), section: 'Build')
summary('Demos', get_option('demos'), section: 'Build')
summary('Examples', get_option('build-examples'), section: 'Build')
# Directories
summary('prefix', gtk_prefix, section: 'Directories')
summary('includedir', gtk_includedir, section: 'Directories')
summary('libdir', gtk_libdir, section: 'Directories')
summary('datadir', gtk_datadir, section: 'Directories')