windows: add clang cross-compile support on Linux
This commit is contained in:
Selim Sandal
parent
278e04ebd6
commit
7a2ea1376e
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@ -113,18 +113,42 @@ function(setup_libftdi_windows)
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message(STATUS "Building libftdi for Windows...")
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file(MAKE_DIRECTORY ${LIBFTDI_BUILD_DIR})
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set(LIBFTDI_CMAKE_ARGS
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-DCMAKE_SYSTEM_NAME=Windows
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-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
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-DCMAKE_INSTALL_PREFIX=${CROSS_DEPS_INSTALL_DIR}
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-DCMAKE_PREFIX_PATH=${CROSS_DEPS_INSTALL_DIR}
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-DLIBUSB_INCLUDE_DIRS=${CROSS_DEPS_INSTALL_DIR}/include/libusb-1.0
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-DLIBUSB_LIBRARIES=${CROSS_DEPS_INSTALL_DIR}/lib/libusb-1.0.a
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-DFTDIPP=OFF -DBUILD_TESTS=OFF -DDOCUMENTATION=OFF
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-DEXAMPLES=OFF -DFTDI_EEPROM=OFF -DPYTHON_BINDINGS=OFF
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-DSTATICLIBS=ON
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)
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if(CMAKE_RC_COMPILER)
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list(APPEND LIBFTDI_CMAKE_ARGS -DCMAKE_RC_COMPILER=${CMAKE_RC_COMPILER})
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endif()
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foreach(_lang C CXX RC)
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if(DEFINED CMAKE_${_lang}_COMPILER_TARGET AND NOT "${CMAKE_${_lang}_COMPILER_TARGET}" STREQUAL "")
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list(APPEND LIBFTDI_CMAKE_ARGS "-DCMAKE_${_lang}_COMPILER_TARGET=${CMAKE_${_lang}_COMPILER_TARGET}")
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endif()
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endforeach()
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foreach(_flags_var CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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if(DEFINED ${_flags_var} AND NOT "${${_flags_var}}" STREQUAL "")
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list(APPEND LIBFTDI_CMAKE_ARGS "-D${_flags_var}=${${_flags_var}}")
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endif()
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endforeach()
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if(DEFINED CMAKE_SYSROOT AND NOT "${CMAKE_SYSROOT}" STREQUAL "")
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list(APPEND LIBFTDI_CMAKE_ARGS -DCMAKE_SYSROOT=${CMAKE_SYSROOT})
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND}
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-DCMAKE_SYSTEM_NAME=Windows
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-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
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-DCMAKE_INSTALL_PREFIX=${CROSS_DEPS_INSTALL_DIR}
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-DCMAKE_PREFIX_PATH=${CROSS_DEPS_INSTALL_DIR}
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-DLIBUSB_INCLUDE_DIRS=${CROSS_DEPS_INSTALL_DIR}/include/libusb-1.0
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-DLIBUSB_LIBRARIES=${CROSS_DEPS_INSTALL_DIR}/lib/libusb-1.0.a
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-DFTDIPP=OFF -DBUILD_TESTS=OFF -DDOCUMENTATION=OFF
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-DEXAMPLES=OFF -DFTDI_EEPROM=OFF -DPYTHON_BINDINGS=OFF
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-DSTATICLIBS=ON
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${LIBFTDI_CMAKE_ARGS}
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${LIBFTDI_SRC_DIR}
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WORKING_DIRECTORY ${LIBFTDI_BUILD_DIR}
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RESULT_VARIABLE CONFIG_RESULT
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@ -0,0 +1,52 @@
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# CMake Toolchain file for cross-compiling to Windows x64 using Clang + MinGW-w64
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# Usage: cmake -DCMAKE_TOOLCHAIN_FILE=cmake/Toolchain-x86_64-w64-mingw32-clang.cmake ..
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set(CMAKE_SYSTEM_NAME Windows)
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set(CMAKE_SYSTEM_PROCESSOR x86_64)
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set(WINDOWS_TARGET_TRIPLE "x86_64-w64-mingw32")
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find_program(CMAKE_C_COMPILER NAMES clang)
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find_program(CMAKE_CXX_COMPILER NAMES clang++)
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find_program(CMAKE_RC_COMPILER NAMES llvm-rc x86_64-w64-mingw32-windres)
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if(NOT CMAKE_C_COMPILER OR NOT CMAKE_CXX_COMPILER)
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message(FATAL_ERROR "clang/clang++ not found. Please install clang.")
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endif()
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set(CMAKE_C_COMPILER_TARGET ${WINDOWS_TARGET_TRIPLE})
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set(CMAKE_CXX_COMPILER_TARGET ${WINDOWS_TARGET_TRIPLE})
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if(CMAKE_RC_COMPILER AND CMAKE_RC_COMPILER MATCHES "llvm-rc$")
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set(CMAKE_RC_COMPILER_TARGET ${WINDOWS_TARGET_TRIPLE})
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endif()
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# Keep target selection compatible with older CMake versions.
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set(CMAKE_C_FLAGS_INIT "--target=${WINDOWS_TARGET_TRIPLE}")
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set(CMAKE_CXX_FLAGS_INIT "--target=${WINDOWS_TARGET_TRIPLE}")
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option(CROSS_COMPILE_DEPS "Download and build Windows dependencies for cross-compilation" ON)
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set(CROSS_DEPS_DIR "${CMAKE_BINARY_DIR}/cross-deps" CACHE PATH "Directory for cross-compiled dependencies")
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if(EXISTS "/usr/x86_64-w64-mingw32/sys-root/mingw")
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set(MINGW_SYSROOT "/usr/x86_64-w64-mingw32/sys-root/mingw")
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elseif(EXISTS "/usr/x86_64-w64-mingw32")
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set(MINGW_SYSROOT "/usr/x86_64-w64-mingw32")
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else()
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set(MINGW_SYSROOT "")
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endif()
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set(CMAKE_FIND_ROOT_PATH ${CROSS_DEPS_DIR} ${MINGW_SYSROOT})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-static -static-libgcc -static-libstdc++")
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set(ENABLE_UDEV OFF CACHE BOOL "" FORCE)
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set(ENABLE_LIBGPIOD OFF CACHE BOOL "" FORCE)
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set(ENABLE_REMOTEBITBANG OFF CACHE BOOL "" FORCE)
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set(ENABLE_XILINX_VIRTUAL_CABLE OFF CACHE BOOL "" FORCE)
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set(BUILD_STATIC ON CACHE BOOL "" FORCE)
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@ -206,9 +206,9 @@ openFPGALoader can be installed via MSYS2:
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Cross-compilation from Linux
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----------------------------
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openFPGALoader can be cross-compiled for Windows from Linux using MinGW-w64.
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The build system will automatically download and build the required dependencies
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(libusb, libftdi).
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openFPGALoader can be cross-compiled for Windows from Linux using MinGW-w64
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toolchains (GCC or Clang). The build system will automatically download and
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build the required dependencies (libusb, libftdi).
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**Prerequisites (Debian/Ubuntu):**
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@ -217,6 +217,8 @@ The build system will automatically download and build the required dependencies
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sudo apt install \
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mingw-w64 \
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libz-mingw-w64-dev \
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clang \
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lld \
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cmake \
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pkg-config \
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p7zip-full
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@ -230,11 +232,13 @@ The build system will automatically download and build the required dependencies
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mingw64-gcc-c++ \
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mingw64-zlib \
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mingw64-zlib-static \
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clang \
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lld \
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cmake \
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p7zip \
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p7zip-plugins
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**Build:**
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**Build (shared steps):**
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.. code-block:: bash
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@ -242,9 +246,21 @@ The build system will automatically download and build the required dependencies
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cd openFPGALoader
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mkdir build-win64
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cd build-win64
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**Configure + build with GCC (MinGW-w64):**
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.. code-block:: bash
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cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-x86_64-w64-mingw32.cmake ..
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cmake --build . --parallel
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**Configure + build with Clang (MinGW-w64 target):**
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.. code-block:: bash
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cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-x86_64-w64-mingw32-clang.cmake ..
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cmake --build . --parallel
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The resulting ``openFPGALoader.exe`` will be a statically-linked executable
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that only depends on standard Windows system DLLs (KERNEL32, msvcrt, WS2_32).
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@ -260,6 +276,8 @@ that only depends on standard Windows system DLLs (KERNEL32, msvcrt, WS2_32).
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.. code-block:: bash
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x86_64-w64-mingw32-strip openFPGALoader.exe
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# or
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llvm-strip openFPGALoader.exe
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**Cross-compilation options:**
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