05ba8a3a07
git-svn-id: http://root.cern.ch/svn/root/trunk@45844 27541ba8-7e3a-0410-8455-c3a389f83636
71 lines
2.2 KiB
Plaintext
71 lines
2.2 KiB
Plaintext
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--------------------------------------------------------------------------------
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1. I N S T A L L A T I O N I N S T R U C T I O N S
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1.1 Dependencies
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CLING source depends on the LLVM [1] and CLANG [2] headers and libraries.
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You will also need CMake [3] >= 2.6.1 or GNU Make to build all of those
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packages and subversion [4] to get the source code.
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[1] http://llvm.org
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[2] http://clang.llvm.org
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[3] http://cmake.org
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[4] http://subversion.tigris.org/
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1.2 Building
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To build LLVM and CLANG you must:
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* Check out the sources:
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mkdir src
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cd src
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svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
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cd llvm/tools
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svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
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svn co http://root.cern.ch/svn/root/trunk/interpreter/cling cling
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cd ..
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* Apply some patches
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cat tools/cling/patches/* | patch -p0
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* Configure, build and install them, either using CMake:
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cd ..
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mkdir build
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cd build
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cmake -DCMAKE_INSTALL_PREFIX=/some/install/dir \
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-DLLVM_TARGETS_TO_BUILD=CBackend\;CppBackend\;X86 \
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-DCMAKE_BUILD_TYPE=Debug \
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-DCMAKE_CXX_COMPILER=`which c++` \
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-DCMAKE_C_COMPILER=`which gcc` \
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../llvm
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make
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make install
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or GNU Make (see ../src/configure --help for all options):
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cd ..
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mkdir build
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cd build
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../llvm/configure --prefix=/some/install/dir
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make
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make install
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2. U S A G E
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To interpret a C file type: "./cling test.c". To invoke cling in the
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interactive mode type "cling" without file name. Use ".L filename" to
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load libraries or C++ files. Type C++ code at the prompt to interpret it.
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