build.sh

#!/bin/bash
set -eaux
SCRIPT="$(readlink -f $0)"
SCRIPT_DIR="$(dirname ${SCRIPT})"
INSTALL_DIR="${SCRIPT_DIR}/${BUILD_NAME:-build-linux}"
CMAKE=${CMAKE:-cmake}
CORES=${CORES:-4}

unset PYTHONPATH
unset PYTHONUSERBASE
unset PYTHONHOME

${CMAKE} --version

############################# build neovim
if [ ! -f "${INSTALL_DIR}"/bin/nvim ]; then
    echo "Building Neovim"

    cd "${SCRIPT_DIR}"/neovim
    mkdir -p .deps
    cd .deps
    ${CMAKE} ../third-party -DCMAKE_BUILD_TYPE=Release > "${SCRIPT_DIR}"/neovim.log
    make >> "${SCRIPT_DIR}"/neovim.log

    cd "${SCRIPT_DIR}"/neovim
    mkdir -p build
    cd build
    ${CMAKE} .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="${INSTALL_DIR}" >> "${SCRIPT_DIR}"/neovim.log
    make -j${CORES} >> "${SCRIPT_DIR}"/neovim.log
    make install >> "${SCRIPT_DIR}"/neovim.log
    mv "${INSTALL_DIR}/bin/nvim" "${INSTALL_DIR}/bin/nvim-binary"
    cp "${SCRIPT_DIR}/launcher.sh" "${INSTALL_DIR}/bin/nvim"
fi

############################# build xsel
if [ ! -f "${INSTALL_DIR}"/bin/xsel ]; then
    echo "Building xsel"
    cd "${SCRIPT_DIR}"/xsel*
    mkdir -p build
    cd build
    ../configure --prefix="${INSTALL_DIR}"
    make
    make install
fi

############################ build zlib
if [ ! -f "${INSTALL_DIR}"/lib/libz.so ]; then
    echo "Building zlib"
    cd "${SCRIPT_DIR}"/zlib*
    mkdir -p build
    cd build
    ${CMAKE} .. -DCMAKE_INSTALL_PREFIX="${INSTALL_DIR}" > "${SCRIPT_DIR}"/zlib.log
    make install >> "${SCRIPT_DIR}"/zlib.log
fi

############################ build openssl
if [ ! -f "${INSTALL_DIR}"/lib/libssl.a ]; then
    echo "Building OpenSSL"
    cd "${SCRIPT_DIR}"/openssl
    ./Configure linux-x86_64 no-shared \
        -fPIC \
        -I"${INSTALL_DIR}"/include \
        -L"${INSTALL_DIR}"/lib \
        --prefix="${INSTALL_DIR}" \
        --openssldir="${INSTALL_DIR}/ssl" > "${SCRIPT_DIR}"/openssl.log
    make >> "${SCRIPT_DIR}"/openssl.log
    make install >> "${SCRIPT_DIR}"/openssl.log
fi

############################ build python3
if [ ! -f "${INSTALL_DIR}"/bin/python3 ]; then
    echo "Building Python 3"
    cd "${SCRIPT_DIR}"/Python-3.*
    mkdir -p build
    cd build
    ../configure \
        --prefix="${INSTALL_DIR}" \
        --enable-shared \
        LDFLAGS="-Wl,-rpath=${INSTALL_DIR}/lib" > "${SCRIPT_DIR}"/python-3.log
    make -j${CORES} >> "${SCRIPT_DIR}"/python-3.log
    make install >> "${SCRIPT_DIR}"/python-3.log
    "${INSTALL_DIR}"/bin/pip3 install neovim >> "${SCRIPT_DIR}"/python-3.log
    "${INSTALL_DIR}"/bin/pip3 install 'python-language-server[all]' >> "${SCRIPT_DIR}"/python-3.log
    "${INSTALL_DIR}"/bin/pip3 install 'pycodestyle' >> "${SCRIPT_DIR}"/python-3.log
fi

############################# build python2
if [ ! -f "${INSTALL_DIR}"/bin/python2 ]; then
    echo "Building Python 2"
    cd "${SCRIPT_DIR}"/Python-2.*
    mkdir -p build
    cd build
    ../configure \
        --prefix="${INSTALL_DIR}" \
        --enable-unicode=ucs4 \
        --enable-shared \
        --with-ensurepip=install \
        LDFLAGS="-Wl,-rpath=${INSTALL_DIR}/lib" > "${SCRIPT_DIR}"/python-2.log
    make -j${CORES} >> "${SCRIPT_DIR}"/python-2.log
    make install >> "${SCRIPT_DIR}"/python-2.log
    "${INSTALL_DIR}"/bin/pip2.7 install neovim >> "${SCRIPT_DIR}"/python-2.log
    "${INSTALL_DIR}"/bin/pip2.7 install 'python-language-server[all]' >> "${SCRIPT_DIR}"/python-2.log
    "${INSTALL_DIR}"/bin/pip2.7 install 'pycodestyle' >> "${SCRIPT_DIR}"/python-2.log
fi

export PATH="${INSTALL_DIR}/bin":$PATH

############################# build LLVM and Clang
if [ ! -f "${INSTALL_DIR}"/lib/libclang.so ]; then
    echo "Building LLVM and clang"
    cd "${SCRIPT_DIR}"/llvm*
    mkdir -p build
    cd build
    ${CMAKE} .. \
        -DCMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
        -DCMAKE_BUILD_TYPE=Release \
        -DPYTHON_EXECUTABLE="${INSTALL_DIR}/bin/python2.7" \
        > "${SCRIPT_DIR}"/llvm.log
    make -j${CORES} >> "${SCRIPT_DIR}"/llvm.log
    make install >> "${SCRIPT_DIR}"/llvm.log
    cd ..
    cp ./tools/clang/tools/clang-format/clang-format.py ${INSTALL_DIR}/bin
fi


############################# build cquery
if [ ! -f "${INSTALL_DIR}"/bin/cquery ]; then
    echo "Building cquery"
    cd "${SCRIPT_DIR}"/cquery
    ./waf configure \
        --llvm-config="${INSTALL_DIR}/bin/llvm-config" \
        --variant=release \
        --prefix="${INSTALL_DIR}"
    ./waf build
    ./waf install
fi

############################# Vim-plug
if [ ! -f "${INSTALL_DIR}"/share/nvim/runtime/autoload/plug.vim ]; then
    cd "${SCRIPT_DIR}/vim-plug"
    cp plug.vim "${INSTALL_DIR}"/share/nvim/runtime/autoload/plug.vim
fi

############################# Fix neovim python host programs
cat > "${INSTALL_DIR}"/share/nvim/sysinit.vim << EOF
let g:python_host_prog = \$NVIM_PYTHON_HOST_PROGRAM
let g:python3_host_prog = \$NVIM_PYTHON3_HOST_PROGRAM
let g:clang_format_path = \$NVIM_CLANG_FORMAT_BINARY_PATH
EOF


############################## Remove hidden directories
find "${INSTALL_DIR}" -ignore_readdir_race -name '.*' -prune -exec rm -rf {} \;