YouCompleteMe/install.sh

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#!/usr/bin/env bash
set -e
function command_exists {
hash "$1" 2>/dev/null ;
}
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function cmake_install {
if [[ `uname -s` == "Darwin" ]]; then
homebrew_cmake_install
else
linux_cmake_install
fi
}
function homebrew_cmake_install {
if command_exists brew; then
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brew install cmake
else
echo "Homebrew was not found installed in your system."
echo "Go to http://mxcl.github.com/homebrew/ and follow the instructions."
echo "Or install CMake somehow and retry."
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exit 1
fi
}
function python_finder {
python_library="-DPYTHON_LIBRARY="
python_include="-DPYTHON_INCLUDE_DIR="
# The CMake 'FindPythonLibs' Module does not work properly.
# So we are forced to do its job for it.
python_prefix=$(python-config --prefix | sed 's/^[ \t]*//')
if [ -f "${python_prefix}/Python" ]; then
python_library+="${python_prefix}/Python"
python_include+="${python_prefix}/Headers"
else
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which_python=$(python -c 'import sys;print(sys.version)' | sed 's/^[ \t]*//')
which_python="python${which_python:0:3}"
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lib_python="${python_prefix}/lib/lib${which_python}"
if [ -f "${lib_python}.a" ]; then
python_library+="${lib_python}.a"
else
python_library+="${lib_python}.dylib"
fi
python_include+="${python_prefix}/include/${which_python}"
fi
echo "${python_library} ${python_include}"
}
function num_cores {
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if command_exists nproc; then
num_cpus=$(nproc)
else
num_cpus=1
if [[ `uname -s` == "Linux" ]]; then
num_cpus=$(grep -c ^processor /proc/cpuinfo)
else
# Works on Mac and FreeBSD
num_cpus=$(sysctl -n hw.ncpu)
fi
fi
echo $num_cpus
}
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function install {
ycm_dir=`pwd`
build_dir=`mktemp -d -t ycm_build.XXXXXX`
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pushd $build_dir
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if [[ `uname -s` == "Darwin" ]]; then
cmake -G "Unix Makefiles" $(python_finder) "$@" . $ycm_dir/cpp
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else
cmake -G "Unix Makefiles" "$@" . $ycm_dir/cpp
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fi
make -j $(num_cores) ycm_core
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popd
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rm -rf $build_dir
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}
function testrun {
ycm_dir=`pwd`
build_dir=`mktemp -d -t ycm_build.XXXXXX`
pushd $build_dir
cmake -G "Unix Makefiles" "$@" . $ycm_dir/cpp
make -j $(num_cores) ycm_core_tests
cd ycm/tests
LD_LIBRARY_PATH=$ycm_dir/python ./ycm_core_tests
popd
rm -rf $build_dir
}
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function linux_cmake_install {
echo "Please install CMake using your package manager and retry."
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exit 1
}
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function usage {
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echo "Usage: $0 [--clang-completer [--system-libclang]]"
exit 0
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}
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cmake_args=''
while [ -n "$1" ]; do
case "$1" in
--clang-completer)
cmake_args="$cmake_args -DUSE_CLANG_COMPLETER=ON"
shift
;;
--system-libclang)
cmake_args="$cmake_args -DUSE_SYSTEM_LIBCLANG=ON"
shift
;;
*)
usage
;;
esac
done
if [[ $cmake_args == *-DUSE_SYSTEM_LIBCLANG=ON* ]] && \
[[ $cmake_args != *-DUSE_CLANG_COMPLETER=ON* ]]; then
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usage
fi
if ! command_exists cmake; then
echo "CMake is required to build YouCompleteMe."
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cmake_install
fi
if [ -z "$YCM_TESTRUN" ]; then
install $cmake_args $EXTRA_CMAKE_ARGS
else
testrun $cmake_args $EXTRA_CMAKE_ARGS
fi