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|
#!/usr/bin/env bash
TRUNK_VERSION="14.0.1"
set -e
# The pattern of clang --version is: clang version X.Y.Z (sometimes, see below).
COMPILER_VERSION_OUTPUT="$($CXX --version)"
arr=(${COMPILER_VERSION_OUTPUT// / })
COMPILER="${arr[0]}"
VERSION="${arr[2]}"
case $COMPILER in
"clang")
# Some Ubuntu clang builds are advertised as "just clang", but the
# Version still follows the pattern: 3.6.2-svn240577-1~exp1
# echo "Compiler is clang :)"
arr2=(${VERSION//-/ })
VERSION="${arr2[0]}"
;;
"Ubuntu")
# Ubuntu renames _some_ (not all) of its clang compilers, the pattern of
# clang --version is then:
# Ubuntu clang version 3.6.2-svn240577-1~exp1
COMPILER="${arr[1]}"
VERSION="${arr[3]}"
arr2=(${VERSION//-/ })
VERSION="${arr2[0]}"
;;
*)
echo "case did not match: compiler: ${COMPILER}"
exit 1
;;
esac
if [ ${COMPILER} != "clang" ]; then
echo "Error: trying to install libc++ for a compiler that is not clang: ${COMPILER}"
exit 1
fi
if [ -z ${VERSION+x} ]; then
echo "Malformed libc++ version - I give up."
exit 4
fi
MAJOR=$(echo $VERSION | sed 's/\..*//')
if [ ${VERSION} == $TRUNK_VERSION ]; then
echo "Fetching libc++ and libc++abi tip-of-trunk..."
# Checkout LLVM sources
git clone --depth=1 https://github.com/llvm-mirror/llvm.git llvm-source
git clone --depth=1 https://github.com/llvm-mirror/libcxx.git llvm-source/projects/libcxx
git clone --depth=1 https://github.com/llvm-mirror/libcxxabi.git llvm-source/projects/libcxxabi
else
echo "Fetching libc++/libc++abi version: ${VERSION}..."
if [ ${MAJOR} -ge 8 ]; then
BASE_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-"
else
BASE_URL="https://releases.llvm.org/"
fi
LLVM_URL="${BASE_URL}${VERSION}/llvm-${VERSION}.src.tar.xz"
LIBCXX_URL="${BASE_URL}${VERSION}/libcxx-${VERSION}.src.tar.xz"
LIBCXXABI_URL="${BASE_URL}${VERSION}/libcxxabi-${VERSION}.src.tar.xz"
echo wget $LLVM_URL
echo wget $LIBCXX_URL
echo wget $LIBCXXABI_URL
wget $LLVM_URL
wget $LIBCXX_URL
wget $LIBCXXABI_URL
mkdir llvm-source
mkdir llvm-source/projects
mkdir llvm-source/projects/libcxx
mkdir llvm-source/projects/libcxxabi
tar -xf llvm-${VERSION}.src.tar.xz -C llvm-source --strip-components=1
tar -xf libcxx-${VERSION}.src.tar.xz -C llvm-source/projects/libcxx --strip-components=1
tar -xf libcxxabi-${VERSION}.src.tar.xz -C llvm-source/projects/libcxxabi --strip-components=1
fi
SOURCE=`pwd`/llvm-source
TARGET=`pwd`/llvm
mkdir "${TARGET}"
mkdir llvm-build
cd llvm-build
# - libc++ versions < 4.x do not have the install-cxxabi and install-cxx targets
# - only ASAN is enabled for clang/libc++ versions < 4.x
if [[ $VERSION == *"3."* ]]; then
cmake -DCMAKE_C_COMPILER=${CC} -DCMAKE_CXX_COMPILER=${CXX} \
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX="${TARGET}" \
../llvm-source
if [[ $SANITIZER == "Address;Undefined" ]]; then
ASAN_FLAGS="-fsanitize=address"
cmake -DCMAKE_CXX_FLAGS="${ASAN_FLAGS}" -DCMAKE_EXE_LINKER_FLAGS="${ASAN_FLAGS}" ../llvm-source
fi
make cxx -j4 VERBOSE=1
mkdir "${TARGET}/lib"
mkdir "${TARGET}/include"
cp -r lib/* "${TARGET}/lib"
cp -r include/c++ "${TARGET}/include"
else
cmake -DCMAKE_C_COMPILER=${CC} -DCMAKE_CXX_COMPILER=${CXX} \
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX="${TARGET}" \
-DLIBCXX_ABI_UNSTABLE=ON \
-DCMAKE_BUILD_WITH_INSTALL_RPATH=1 \
-DLLVM_USE_SANITIZER=${SANITIZER} \
-DCMAKE_MODULE_PATH=${SOURCE}/Modules \
-DLLVM_INCLUDE_BENCHMARKS=no \
-DLIBCXX_INCLUDE_BENCHMARKS=no \
../llvm-source
make cxx -j4 VERBOSE=1
make install-cxxabi install-cxx
fi
exit 0
|
