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# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/cast.gni")
import("//build/config/linux/pkg_config.gni")
import("//build/config/sysroot.gni")
import("//printing/buildflags/buildflags.gni")
import("//ui/qt/qt.gni")
assert(use_qt)
assert(is_linux)
assert(!is_castos)
config("qt_internal_config") {
if (is_clang) {
# libstdc++ headers are incompatible with -fcomplete-member-pointers.
cflags = [ "-fno-complete-member-pointers" ]
}
# It's OK to depend on the system libstdc++ since it's a dependency of QT, so
# it will get loaded into the process anyway.
libs = [ "stdc++" ]
configs = [
"//build/config/linux:runtime_library",
"//build/config/posix:runtime_library",
]
}
source_set("qt_interface") {
visibility = [ ":*" ]
configs -= [ "//build/config/compiler:runtime_library" ]
configs += [ ":qt_internal_config" ]
# Since `:qt` depends on `qt_shim` via data_deps, gn check would error-out
# if qt_interface.h was placed in `qt_shim`, so it's placed in a separate
# target instead.
public = [ "qt_interface.h" ]
sources = [ "qt_interface.cc" ]
# Don't use libc++ modules as this depends on libstdc++.
use_libcxx_modules = false
}
template("qt_shim") {
if (!use_sysroot) {
action("generate_moc" + invoker.qt_version) {
script = "moc_wrapper.py"
inputs = [ "//ui/qt/qt_shim.h" ]
outputs = [ "$root_gen_dir/qt" + invoker.qt_version + "/qt_shim_moc.cc" ]
args = rebase_path(inputs + outputs, root_build_dir)
if (invoker.moc_qt_path != "") {
args += [
"--path",
invoker.moc_qt_path,
]
}
}
}
pkg_config("qt" + invoker.qt_version + "_config") {
packages = [
"Qt" + invoker.qt_version + "Core",
"Qt" + invoker.qt_version + "Widgets",
]
}
shared_library(target_name) {
visibility = [
":qt",
"//chrome/installer/linux:*",
]
# Since qt_shim is a shared library even in non-component builds, it shouldn't
# depend on any other targets since that would duplicate code between binaries
# leading to increased size and potential issues from duplicated global state.
no_default_deps = true
assert_no_deps = [
"//base",
"//buildtools/third_party/libc++",
]
deps = [ ":qt_interface" ]
configs -= [ "//build/config/compiler:runtime_library" ]
configs += [
":qt_internal_config",
":qt" + invoker.qt_version + "_config",
]
public = []
sources = [
"qt_shim.cc",
"qt_shim.h",
]
if (use_sysroot) {
# This file is generated with gen_qt_shim_moc.sh on an amd64 system to
# avoid a build-time dependency on `moc` when using the sysroot.
sources += [ "qt" + invoker.qt_version + "_shim_moc.cc" ]
} else {
sources += get_target_outputs(":generate_moc" + invoker.qt_version)
deps += [ ":generate_moc" + invoker.qt_version ]
}
# Don't depend on libcxx modules. This binary doesn't depend on the standard
# library in libcxx. Instead it depends on the libcxx in the sysroot, so
# using libcxx will just confuse it with duplicate definitions.
use_libcxx_modules = false
}
}
if (use_qt5) {
qt_shim("qt5_shim") {
qt_version = "5"
if (!use_sysroot) {
moc_qt_path = "$moc_qt5_path"
}
}
}
if (use_qt6) {
qt_shim("qt6_shim") {
qt_version = "6"
if (!use_sysroot) {
moc_qt_path = "$moc_qt6_path"
}
}
}
component("qt") {
visibility = [ "//ui/linux:linux_ui_factory" ]
defines = [ "IS_QT_IMPL" ]
# qt_shim is in data_deps since we want to load it manually.
data_deps = []
if (use_qt5) {
data_deps += [ ":qt5_shim" ]
}
if (use_qt6) {
data_deps += [ ":qt6_shim" ]
}
deps = [
":qt_interface",
"//base",
"//printing/buildflags",
"//ui/base/ime/linux",
"//ui/color",
"//ui/color:mixers",
"//ui/gfx",
"//ui/linux:linux_ui",
"//ui/native_theme",
"//ui/shell_dialogs",
"//ui/views",
]
public_deps = [ "//skia" ]
if (enable_printing) {
public_deps += [ "//printing" ]
}
sources = [
"qt_ui.cc",
"qt_ui.h",
]
}
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