build-windows.md

Build instructions for windows

Last tested with Windows Server 2019 Datacenter

Starting point is the package created via prepare-linux.sh on a linux machine. We use this prepared package, to keep the number of required tools on windows down to a minimum.

More info: https://clang.llvm.org/get_started.html

Required software

• Visual Studio 2019 (https://visualstudio.microsoft.com/)
• Oracle Java
• Python (https://www.python.org/downloads/)
• cmake (https://cmake.org/download/)

Compilation

• Create a new directory (e.g. c:\clang) and switch to it
• Extract the mentioned package to this directory
• Adjust the file llvm-project/clang/tools/libclang/CMakeLists.txt by inserting the following two lines (or similar) before the line starting with set(LIBS:
  • include_directories("c:/Program Files/Java/jdk-12.0.1/include")
  • include_directories("c:/Program Files/Java/jdk-12.0.1/include/win32")
• cd llvm-project
• mkdir build
• cd build
• cmake -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra" -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD=X86 -G "Visual Studio 16 2019" -A x64 -Thost=x64 ../llvm

Open the LLVM.sln in the build directory with Visual Studio. Set the build type to Release and build the libclang target.