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ci: Cache LLVM builds. #897

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Merged
merged 1 commit into from
Aug 9, 2017
Merged

ci: Cache LLVM builds. #897

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1 change: 1 addition & 0 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ matrix:
cache:
directories:
- $HOME/.cargo
- $HOME/.llvm-builds

before_install: . ./ci/before_install.sh

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22 changes: 14 additions & 8 deletions ci/before_install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,25 +6,31 @@ if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
rvm get head || true
fi

function llvm_download() {
function llvm_download_if_needed() {
export LLVM_VERSION_TRIPLE="${LLVM_VERSION}"
export LLVM=clang+llvm-${LLVM_VERSION_TRIPLE}-x86_64-$1

wget http://llvm.org/releases/${LLVM_VERSION_TRIPLE}/${LLVM}.tar.xz
mkdir llvm
tar -xf ${LLVM}.tar.xz -C llvm --strip-components=1
local llvm_build_dir="$HOME/.llvm-builds/${LLVM}"

export LLVM_CONFIG_PATH=`pwd`/llvm/bin/llvm-config
if [ -d "${llvm_build_dir}" ]; then
echo "Using cached LLVM build for ${LLVM} in ${llvm_build_dir}";
else
wget http://llvm.org/releases/${LLVM_VERSION_TRIPLE}/${LLVM}.tar.xz
mkdir -p "${llvm_build_dir}"
tar -xf ${LLVM}.tar.xz -C "${llvm_build_dir}" --strip-components=1
fi

export LLVM_CONFIG_PATH="${llvm_build_dir}/bin/llvm-config"
if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
cp llvm/lib/libclang.dylib /usr/local/lib/libclang.dylib
cp "${llvm_build_dir}/lib/libclang.dylib" /usr/local/lib/libclang.dylib
fi
}


if [ "${TRAVIS_OS_NAME}" == "linux" ]; then
llvm_download linux-gnu-ubuntu-14.04
llvm_download_if_needed linux-gnu-ubuntu-14.04
else
llvm_download apple-darwin
llvm_download_if_needed apple-darwin
fi

popd
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