diff options
| -rw-r--r-- | ci/before_install.sh | 100 |
1 files changed, 61 insertions, 39 deletions
diff --git a/ci/before_install.sh b/ci/before_install.sh index 41b39771..9df6743d 100644 --- a/ci/before_install.sh +++ b/ci/before_install.sh @@ -1,63 +1,85 @@ -set -ex -pushd ~ - -# Workaround for Travis CI macOS bug (https://github.com/travis-ci/travis-ci/issues/6307) -if [ "${TRAVIS_OS_NAME}" == "osx" ]; then - rvm get head || true -fi +#!/usr/bin/env bash +# Bail on first error +set -e +# Bail if an unset variable is encountered +set -u +# Enable debugging output +set -x +# Give a pipeline a non-zero exit code if one of its constituents fails +set -o pipefail function llvm_linux_target_triple() { - if [ "$1" == "5.0" ]; then - echo "linux-x86_64-ubuntu14.04" - else - echo "x86_64-linux-gnu-ubuntu-14.04" - fi + case "$1" in + 5.*) echo "linux-x86_64-ubuntu14.04" ;; + *) echo "x86_64-linux-gnu-ubuntu-14.04" ;; + esac +} + +function llvm_macos_target_triple() { + case "$1" in + [0-8].* | 9.0.0) echo "x86_64-darwin-apple" ;; + # Starting with 9.0.1, triple swapped ordering + *) echo "x86_64-apple-darwin" ;; + esac } function llvm_version_triple() { - if [ "$1" == "3.5" ]; then - echo "3.5.2" - elif [ "$1" == "3.6" ]; then - echo "3.6.2" - elif [ "$1" == "3.7" ]; then - echo "3.7.1" - elif [ "$1" == "3.8" ]; then - echo "3.8.1" - elif [ "$1" == "3.9" ]; then - echo "3.9.0" - elif [ "$1" == "4.0" ]; then - echo "4.0.0" - elif [ "$1" == "5.0" ]; then - echo "5.0.0" - elif [ "$1" == "9.0" ]; then - echo "9.0.0" - fi + case "$1" in + 3.5) echo "3.5.2" ;; + 3.6) echo "3.6.2" ;; + 3.7) echo "3.7.1" ;; + 3.8) echo "3.8.1" ;; + # By default, take the .0 patch release + *) echo "$1.0" ;; + esac +} + +function llvm_base_url() { + local llvm_version_triple=$1 + + case "$llvm_version_triple" in + [0-8].* | 9.0.0) + echo "http://releases.llvm.org/$llvm_version_triple" + ;; + # Starting with 9.0.1, releases are hosted on github + *) + echo "https://github.com/llvm/llvm-project/releases/download/llvmorg-$llvm_version_triple" + ;; + esac } function llvm_download() { - export LLVM_VERSION_TRIPLE=`llvm_version_triple ${LLVM_VERSION}` - export LLVM=clang+llvm-${LLVM_VERSION_TRIPLE}-$1 + local base_url=$1 + local arch=$2 + + export LLVM=clang+llvm-${LLVM_VERSION_TRIPLE}-$arch export LLVM_DIRECTORY="$HOME/.llvm/${LLVM}" + local base_url + if [ -d "${LLVM_DIRECTORY}" ]; then echo "Using cached LLVM download for ${LLVM}..." else - wget http://releases.llvm.org/${LLVM_VERSION_TRIPLE}/${LLVM}.tar.xz + wget $base_url/${LLVM}.tar.xz mkdir -p "${LLVM_DIRECTORY}" tar xf ${LLVM}.tar.xz -C "${LLVM_DIRECTORY}" --strip-components=1 fi + export LIBCLANG_PATH="${LLVM_DIRECTORY}/lib" export LLVM_CONFIG_PATH="${LLVM_DIRECTORY}/bin/llvm-config" } +export LLVM_VERSION_TRIPLE=`llvm_version_triple ${LLVM_VERSION}` + +base_url=`llvm_base_url ${LLVM_VERSION_TRIPLE}` + if [ "${TRAVIS_OS_NAME}" == "linux" ]; then - llvm_download `llvm_linux_target_triple ${LLVM_VERSION}` - export LD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":$LD_LIBRARY_PATH + llvm_download $base_url `llvm_linux_target_triple ${LLVM_VERSION_TRIPLE}` + export LD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":${LD_LIBRARY_PATH:-} else - llvm_download x86_64-apple-darwin - cp "${LLVM_DIRECTORY}/lib/libclang.dylib" /usr/local/lib/libclang.dylib - export DYLD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":$DYLD_LIBRARY_PATH + llvm_download $base_url `llvm_macos_target_triple ${LLVM_VERSION_TRIPLE}` + export DYLD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":${DYLD_LIBRARY_PATH:-} fi -popd -set +e +# Subsequent scripts can see the state of `set -eu`, so unset it again. +set +eu |