if(DEFINED ENV{QT_VERSION})set(QT_VERSION $ENV{QT_VERSION})endif()if(NOT QT_VERSION)# try Qt 5.12.0 if none specified, last LTS.set(QT_VERSION "5.12.5")endif()if(DEFINED ENV{QT_MKSPEC})set(QT_MKSPEC $ENV{QT_MKSPEC})endif()if(UNIX AND NOT APPLE AND NOT ANDROID)set(LINUX TRUE)endif()if(NOT QT_MKSPEC)if(APPLE)set(QT_MKSPEC clang_64)elseif(LINUX)set(QT_MKSPEC gcc_64)elseif(WIN32)set(QT_MKSPEC msvc2017_64)#set(QT_MKSPEC winrt_x64_msvc2017)endif()endif()set(QT_LIBRARY_HINTS $ENV{HOME}/Qt/${QT_VERSION}/${QT_MKSPEC} $ENV{QT_PATH}/${QT_VERSION}/${QT_MKSPEC} C:/Qt)