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Cling - The Interactive C++ Interpreter
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2014-02-21 10:41:03 +01:00
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README 

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      (_)         (_) (_)          (_)    (_)(_)_     (_) (_)         (_)
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      (_)          _  (_)          (_)    (_)      (_)(_) (_)         (_)
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         (_)(_)(_)    (_)(_)(_) (_)(_)(_) (_)         (_)    (_)(_)(_)(_)

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1. INSTALLATION 

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1.1. Binaries
   We offer binary snapshots for download at https://ecsft.cern.ch/dist/cling
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1.2 Source

   CLING source depends on the LLVM[1] and CLANG[2] headers and libraries.
You will also need CMake[3] >= 2.6.1 or GNU Make to build all of those
packages and subversion[4] and git[5] to get the source code.

   [1] http://llvm.org
   [2] http://clang.llvm.org
   [3] http://cmake.org
   [4] http://subversion.tigris.org
   [5] http://git-scm.com

1.2.1 Building

   Building LLVM and CLANG you must:

   * Check out the sources:

      git clone http://root.cern.ch/git/llvm.git src
      cd src
      git checkout cling-patches
      cd tools
      git clone http://root.cern.ch/git/cling.git
      git clone http://root.cern.ch/git/clang.git
      cd clang
      git checkout cling-patches

   * Configure, build and install them, either using CMake:

     cd ..
     mkdir build
     cd build
     cmake -DCMAKE_INSTALL_PREFIX=/some/install/dir \
           -DLLVM_TARGETS_TO_BUILD=CBackend\;CppBackend\;X86 \
           -DCMAKE_BUILD_TYPE=Debug \
           ../src
     make
     make install

     or GNU Make (see ../src/configure --help for all options):

     cd ..
     mkdir build
     cd build
     ../src/configure --prefix=/some/install/dir
     make
     make install
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2. USAGE

   To get started run: /some/install/dir/bin/cling --help
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3. Developers' corner:
   We have doxygen documentation of cling's code at:
http://cling.web.cern.ch/cling/doxygen/
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