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Clay 0.1
--------
Clay is a programming language designed for Generic Programming.
Visit http://claylabs.com/clay for more information.
Pre-requisites
--------------
Clay requires LLVM 3.1, Clang 3.1, and CMake version 2.6 or later.
CMake Configuration
-------------------
Clay uses CMake to configure and control its build system. The build can
be customized by passing cmake arguments of the form
"-D<variable>=<value>" to set CMake variables. In addition to standard
CMake variables such as CMAKE_INSTALL_PREFIX and CMAKE_BUILD_TYPE, Clay's
build system uses the following variables:
* LLVM_DIR can be set to the install prefix of an LLVM 3.1 installation.
If not set, CMake will look for an 'llvm-config' script on the PATH.
* PYTHON_EXECUTABLE can be set to the path of a Python 2.x interpreter.
Clay uses a Python 2 script to drive its test suite. Some platforms
(notably Arch Linux) use Python 3 as their 'python' executable, and
this will confuse CMake. Pointing PYTHON_EXECUTABLE at 'python2' may
be necessary on these platforms.
Build Clay on Unix-like Systems
-------------------------------
To build Clay, first run cmake to generate the Makefiles and then run make.
CMake can also build project files for IDEs such as Xcode. Look at CMake
documentation for how to build those. It is recommended that Clay be built
in a separate build directory.
mkdir build
cd build
cmake -G "Unix Makefiles" ../
make
The default installation directory for Clay is /usr/local. To change
the installation path, pass -DCMAKE_INSTALL_PREFIX=/my/path to cmake.
To install Clay run
make install
To run the test suite
make test
To compile a clay source file run
clay ../examples/hello.clay
The generated binary
./hello
Build Clay on Windows with Visual C++
-------------------------------------
I use Visual C++ Express 2010 to build LLVM and Clay for Windows.
From a Visual Studio command prompt, build LLVM and Clang using cmake
and the MSVC compiler. There are some issues with Debug builds and
LLVM, so both LLVM and Clay will need to be built as Release. The
default LLVM install directory needs Administrator permissions, so
you may want to set a CMAKE_INSTALL_PREFIX as well. to change it.
Place the Clang repository in llvm-3.1/tools/clang so that LLVM builds
it automatically and compile LLVM with the following commands:
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=c:\llvm-install -DCMAKE_BUILD_TYPE=Release ..
nmake install
Then to build Clay, run CMake and generate nmake makefiles:
mkdir build
cd build
cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release -DLLVM_DIR=<path to LLVM> ..
nmake
Building under Cygwin or Mingw, or with Visual C++ using cmake's
Visual Studio Solution generator, may also work, but I haven't tried
it.
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