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Register the wrapper function in the transaction so that we can find it without having to iterate over the rest of the declarations. git-svn-id: http://root.cern.ch/svn/root/trunk@46672 27541ba8-7e3a-0410-8455-c3a389f83636
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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
1.1 Dependencies
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] to get the source code.
[1] http://llvm.org
[2] http://clang.llvm.org
[3] http://cmake.org
[4] http://subversion.tigris.org/
1.2 Building
To build LLVM and CLANG you must:
* Check out the sources:
mkdir src
cd src
svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
cd llvm/tools
svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
svn co http://root.cern.ch/svn/root/trunk/interpreter/cling cling
cd ..
* Apply some patches
cat tools/cling/patches/* | patch -p0
* 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 \
-DCMAKE_CXX_COMPILER=`which c++` \
-DCMAKE_C_COMPILER=`which gcc` \
../llvm
make
make install
or GNU Make (see ../src/configure --help for all options):
cd ..
mkdir build
cd build
../llvm/configure --prefix=/some/install/dir
make
make install
2. U S A G E
To interpret a C file type: "./cling test.c". To invoke cling in the
interactive mode type "cling" without file name. Use ".L filename" to
load libraries or C++ files. Type C++ code at the prompt to interpret it.