# Cross toolchain configuration for using clang-cl.

set(WINSDK_VER "10.0.19041.0")
set(QT5_VERSION "5.12.20")

if(WIN32)
        set(CMAKE_C_COMPILER "C:/llvm/bin/clang-cl.exe")
        set(CMAKE_CXX_COMPILER "C:/llvm/bin/clang-cl.exe")
        set(CMAKE_LINKER "C:/llvm/bin/lld-link.exe")

        set(CMAKE_PREFIX_PATH "C:/Qt/Qt${QT5_VERSION}/${QT5_VERSION}/msvc2017_64/lib/cmake/Qt5")
        set(QT_INSTALL_PATH "C:/Qt/Qt${QT5_VERSION}/${QT5_VERSION}/msvc2017_64")

        set(MSVC_BASE "C:/MSVCBuildTools/MSVC")
        set(WINSDK_BASE "C:/MSVCBuildTools/Kit")
else()
        set(CMAKE_C_COMPILER "/usr/bin/clang-cl-10")
        set(CMAKE_CXX_COMPILER "/usr/bin/clang-cl-10")
        set(CMAKE_LINKER "/usr/bin/lld-link-10")

        set(Qt5_DIR "${PROJECT_SOURCE_DIR}/qt5_msvc2017_64/lib/cmake/Qt5")
        set(QT_INSTALL_PATH "${PROJECT_SOURCE_DIR}/qt5_msvc2017_64")

        set(MSVC_BASE "${PROJECT_SOURCE_DIR}/msvc_build_tools/MSVC")
        set(WINSDK_BASE "${PROJECT_SOURCE_DIR}/msvc_build_tools/Kit")
endif()

set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_VERSION 10.0)
set(CMAKE_SYSTEM_PROCESSOR AMD64)

set(MSVC_INCLUDE "${MSVC_BASE}/include")
set(MSVC_LIB "${MSVC_BASE}/lib")

set(WINSDK_INCLUDE "${WINSDK_BASE}/Include/${WINSDK_VER}")
set(WINSDK_LIB "${WINSDK_BASE}/Lib/${WINSDK_VER}")

set(COMPILE_FLAGS
        -D_CRT_SECURE_NO_WARNINGS
        -imsvc "'${MSVC_INCLUDE}'"
        -imsvc "'${WINSDK_INCLUDE}/ucrt'"
        -imsvc "'${WINSDK_INCLUDE}/shared'"
        -imsvc "'${WINSDK_INCLUDE}/um'"
        -imsvc "'${WINSDK_INCLUDE}/winrt'"
        )

string(REPLACE ";" " " COMPILE_FLAGS "${COMPILE_FLAGS}")

set(_CMAKE_C_FLAGS_INITIAL "${CMAKE_C_FLAGS}" CACHE STRING "")
set(CMAKE_C_FLAGS "${_CMAKE_C_FLAGS_INITIAL} ${COMPILE_FLAGS}" CACHE STRING "" FORCE)

set(_CMAKE_CXX_FLAGS_INITIAL "${CMAKE_C_FLAGS}" CACHE STRING "")
set(CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS_INITIAL} ${COMPILE_FLAGS}" CACHE STRING "" FORCE)

set(LINK_FLAGS
        /manifest:no
        -libpath:"${MSVC_LIB}/x64"
        -libpath:"${WINSDK_LIB}/ucrt/x64"
        -libpath:"${WINSDK_LIB}/um/x64"
        )

string(REPLACE ";" " " LINK_FLAGS "${LINK_FLAGS}")

set(_CMAKE_EXE_LINKER_FLAGS_INITIAL "${CMAKE_EXE_LINKER_FLAGS}" CACHE STRING "")
set(CMAKE_EXE_LINKER_FLAGS "${_CMAKE_EXE_LINKER_FLAGS_INITIAL} ${LINK_FLAGS}" CACHE STRING "" FORCE)

set(_CMAKE_MODULE_LINKER_FLAGS_INITIAL "${CMAKE_MODULE_LINKER_FLAGS}" CACHE STRING "")
set(CMAKE_MODULE_LINKER_FLAGS "${_CMAKE_MODULE_LINKER_FLAGS_INITIAL} ${LINK_FLAGS}" CACHE STRING "" FORCE)

set(_CMAKE_SHARED_LINKER_FLAGS_INITIAL "${CMAKE_SHARED_LINKER_FLAGS}" CACHE STRING "")
set(CMAKE_SHARED_LINKER_FLAGS "${_CMAKE_SHARED_LINKER_FLAGS_INITIAL} ${LINK_FLAGS}" CACHE STRING "" FORCE)

set(CMAKE_C_STANDARD_LIBRARIES "" CACHE STRING "" FORCE)
set(CMAKE_CXX_STANDARD_LIBRARIES "" CACHE STRING "" FORCE)

set(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)