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Example that uses CMake, Clang, and Qt to cross compile a simple application for Windows with MSVC compatibility.
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README.md

Cross Compiling a Qt5 App using Clang and CMake

Example that uses CMake, Clang, and Qt to cross compile a simple application for Windows with MSVC compatibility.

Parts of it based on: https://gist.github.com/HiImJulien/3eb47d7d874fe5483810bd77940e74c0

Requirements

Instructions Linux

Requirements:

  • Qt5 development packages
  • Clang 10

Steps

  • Copy MSVC build tools into the project directory:
    • Copy C:/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools/VC/Tools/MSVC/<MSVC Version> to msvc_build_tools/MSVC
  • Copy Windows SDK into the project directory:
    • From C:/Program Files (x86)/Windows Kits/10 copy the folders
      • Include to msvc_build_tools/Kit
        • Lib to msvc_build_tools/Kit
    • Both directories have sub directories with the Windows SDK Version as name.
    • Adjust clang_windows_toolchain.cmake to use the proper Windows SDK Version in variable WINSDK_VER
  • Copy the Qt5 msvc development files into the project directory:
    • Copy C:/Qt/Qt5.12.10/5.12.10/msvc2017_64 to qt5_msvc2017_64
  • Configure project using: cmake -DCMAKE_TOOLCHAIN_FILE=clang_windows_toolchain.cmake <project dir>

Instructions Windows with JetBrains CLion

Requirements:

Steps

  • Open project
  • Adjust Toolchain
    • Go to Toolchain Settings
    • Remove existing Toolchains
    • Add MinGW Toolchain
  • Adjust CMake Profiles
    • Add -DCMAKE_TOOLCHAIN_FILE=clang_windows_toolchain.cmake as CMake parameters