overte/cmake/macros/SetupQt.cmake

80 lines
2.7 KiB
CMake

#
# Created by Bradley Austin Davis on 2017/09/02
# Copyright 2013-2017 High Fidelity, Inc.
#
# Distributed under the Apache License, Version 2.0.
# See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
#
# Construct a default QT location from a root path, a version and an architecture
function(calculate_default_qt_dir _RESULT_NAME)
if (ANDROID)
set(QT_DEFAULT_ARCH "android_armv7")
elseif(UWP)
set(QT_DEFAULT_ARCH "winrt_x64_msvc2017")
elseif(APPLE)
set(QT_DEFAULT_ARCH "clang_64")
elseif(WIN32)
set(QT_DEFAULT_ARCH "msvc2017_64")
else()
set(QT_DEFAULT_ARCH "gcc_64")
endif()
if (WIN32 OR (ANDROID AND ("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows")))
set(QT_DEFAULT_ROOT "c:/Qt")
else()
set(QT_DEFAULT_ROOT "$ENV{HOME}/Qt")
endif()
set_from_env(QT_ROOT QT_ROOT ${QT_DEFAULT_ROOT})
set_from_env(QT_VERSION QT_VERSION "5.9.1")
set_from_env(QT_ARCH QT_ARCH ${QT_DEFAULT_ARCH})
set(${_RESULT_NAME} "${QT_ROOT}/${QT_VERSION}/${QT_ARCH}" PARENT_SCOPE)
endfunction()
# Sets the QT_CMAKE_PREFIX_PATH and QT_DIR variables
# Also enables CMAKE_AUTOMOC and CMAKE_AUTORCC
macro(setup_qt)
# if QT_CMAKE_PREFIX_PATH was not specified before hand,
# try to use the environment variable
if (NOT QT_CMAKE_PREFIX_PATH)
set(QT_CMAKE_PREFIX_PATH "$ENV{QT_CMAKE_PREFIX_PATH}")
endif()
if (("QT_CMAKE_PREFIX_PATH" STREQUAL "") OR (NOT EXISTS "${QT_CMAKE_PREFIX_PATH}"))
calculate_default_qt_dir(QT_DIR)
set(QT_CMAKE_PREFIX_PATH "${QT_DIR}/lib/cmake")
else()
# figure out where the qt dir is
get_filename_component(QT_DIR "${QT_CMAKE_PREFIX_PATH}/../../" ABSOLUTE)
endif()
if (WIN32)
# windows shell does not like backslashes expanded on the command line,
# so convert all backslashes in the QT path to forward slashes
string(REPLACE \\ / QT_CMAKE_PREFIX_PATH ${QT_CMAKE_PREFIX_PATH})
string(REPLACE \\ / QT_DIR ${QT_DIR})
endif()
# This check doesn't work on Mac
#if (NOT EXISTS "${QT_DIR}/include/QtCore/QtGlobal")
# message(FATAL_ERROR "Unable to locate Qt includes in ${QT_DIR}")
#endif()
if (NOT EXISTS "${QT_CMAKE_PREFIX_PATH}/Qt5Core/Qt5CoreConfig.cmake")
message(FATAL_ERROR "Unable to locate Qt cmake config in ${QT_CMAKE_PREFIX_PATH}")
endif()
message(STATUS "The Qt build in use is: \"${QT_DIR}\"")
# Instruct CMake to run moc automatically when needed.
set(CMAKE_AUTOMOC ON)
# Instruct CMake to run rcc automatically when needed
set(CMAKE_AUTORCC ON)
if (WIN32)
add_paths_to_fixup_libs("${QT_DIR}/bin")
endif ()
endmacro()