63141a0739
Original-commit: flang-compiler/f18@17ee2d8e3a Reviewed-on: https://github.com/flang-compiler/f18/pull/78 Tree-same-pre-rewrite: false
68 lines
2.4 KiB
Markdown
68 lines
2.4 KiB
Markdown
<!--
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Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
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-->
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# f18
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## Selection of the C/C++ compiler
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F18 requires a C++17 compiler. As of today, the code was only tested with g++ 7.2.0 and g++ 7.3.0
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For a proper installation, we assume that the PATH and LD_LIBRARY_PATH environment variables
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are properly set to use gcc, g++ and the associated libraries.
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cmake will require that the environement variables CC and CXX are properly set (else it will
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search for use the 'cc' and 'c++' program which are likely /usr/bin/cc and /usr/bin/c++) that
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can be done now or while calling cmake
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export CC=gcc
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export CXX=g++
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## Installation of LLVM 6.0
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############ Extract LLVM and Clang from git in current directory.
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############
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ROOT=$(pwd)
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REL=release_60
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# To build LLVM and Clang, we only need the head of the requested branch.
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# Remove --single-branch --depth=1 if you want access to the whole git history.
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git clone --branch $REL --single-branch --depth=1 https://git.llvm.org/git/llvm.git/ llvm
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git clone --branch $REL --single-branch --depth=1 https://git.llvm.org/git/clang.git/ llvm/tools/clang
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git clone --branch $REL --single-branch --depth=1 https://git.llvm.org/git/openmp.git/ llvm/projects/openmp
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git clone --branch $REL --single-branch --depth=1 https://git.llvm.org/git/libcxx.git/ llvm/projects/libcxx
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git clone --branch $REL --single-branch --depth=1 https://git.llvm.org/git/libcxxabi.git/ llvm/projects/libcxxabi
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########### Build LLVM & CLANG in $LLVM_PREFIX
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LLVM_PREFIX=...
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mkdir $LLVM_PREFIX
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mkdir $ROOT/llvm/build
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cd $ROOT/llvm/build
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CC=gcc CXX+g++ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$LLVM_PREFIX ..
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make -j 4
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make install
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## Installation of F18
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######## Choose the installation directory
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F18_PREFIX=...
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######## Get Flang sources in $ROOT/f18
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cd $ROOT
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git clone https://github.com/ThePortlandGroup/f18.git
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######## And build it in a dedicated directory
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######## Reminder: If LLVM & Clang where not installed in a standard
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######## location then you may also have to define
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######## CMAKE_MODULE_PATH=$LLVM_PREFIX
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mkdir $ROOT/f18-build
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cd $ROOT/f18-build
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CC=gcc CXX=g++ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$F18_PREFIX $ROOT/f18
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make -j 4
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make install
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