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Windows build instructions
The following instructions will guide you in building the lastest version of cheerp on Windows systems. Building the core compiler on Windows using Microsoft Visual Studio is fully supported, but building the base libraries (newlib, libc++, libc++abi) is not. You can grab a working copy from the latest release from any platform as they are platform independent.
- Python (please select "Add Python to PATH" when asked)
- Microsoft Visual Studio 2012, with the latest update
Get the sources
cmd shell and execute the following commands to download the source code for the Cheerp enabled llvm and clang repositories.
git clone https://github.com/leaningtech/cheerp-llvm cd cheerp-llvm/tools/ git clone https://github.com/leaningtech/cheerp-clang clang
Generate Microsoft Visual Studio projects using CMake
Start the CMake GUI tool and point the source code directory to where you have cloned the Cheerp LLVM repository. Also set the binaries directory to the
build subdirectory. Now press Configure
Now select your version of Visual Studio, since some C++11 features are used you need VS2012 at least.
Wait until the project is configured. Now you need to tick the Advanced box, set the
LLVM_INSTALL_PREFIX variable to "C:\cheerp" and press Configure again.
Now press Generate
Build Visual Studio project
Make sure the
ALL_BUILD project is selected and
Release mode is enabled, then click
Go grab some coffe and relax, it is going to take some time.
When the build is finished, select the
INSTALL project in the
CMakePredefinedTargets group and build it.
Finally you need to make a copy of the
c:\cheerp\bin\clang.exe and call it