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GH-50242: [CI][Release] Fix flaky libLLVM load failure in macOS verify-rc build #50243

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GH-50242: [CI][Release] Fix flaky libLLVM load failure in macOS verify-rc build #50243

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08323e7
Resolve verify-rc
tadeja Jun 23, 2026
50ff3f5
Debug flaky conda verify-rc
tadeja Jun 24, 2026
0bc831e
Do not merge - VERIFY_RC_DEBUG
tadeja Jun 24, 2026
6a8426d
Expose conda lib for build LLVM tools
tadeja Jun 24, 2026
8f573bb
Use DYLD_FALLBACK
tadeja Jun 24, 2026
8f1149d
Final cleanup of temp debug
tadeja Jun 24, 2026
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13 changes: 10 additions & 3 deletions dev/release/verify-release-candidate.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -519,7 +519,14 @@ test_and_install_cpp() {
${ARROW_CMAKE_OPTIONS:-} \
${ARROW_SOURCE_DIR}/cpp
export CMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL:-${NPROC}}
cmake --build . --target install
# Expose conda's lib on the *fallback* path so the LLVM tools (llvm-link,
# llvm-ranlib) find libLLVM.*.dylib on flaky @rpath miss on macOS. (Fallback is searched last,
# so it doesn't shadow system libs like libiconv during the build or leak into tests.)
if [ "$(uname)" = "Darwin" ] && [ "${USE_CONDA}" -gt 0 ] && [ -n "${CONDA_PREFIX:-}" ]; then
DYLD_FALLBACK_LIBRARY_PATH="${CONDA_PREFIX}/lib:${DYLD_FALLBACK_LIBRARY_PATH:-/usr/local/lib:/usr/lib}" cmake --build . --target install
else
cmake --build . --target install
fi

if [ ${TEST_CPP} -gt 0 ]; then
LD_LIBRARY_PATH=$PWD/release:$LD_LIBRARY_PATH ctest \
Expand Down Expand Up @@ -779,10 +786,10 @@ test_source_distribution() {

if [ "$(uname)" == "Darwin" ]; then
NPROC=$(sysctl -n hw.ncpu)
export DYLD_LIBRARY_PATH=$ARROW_HOME/lib:${DYLD_LIBRARY_PATH:-}
export DYLD_LIBRARY_PATH=$ARROW_HOME/lib${DYLD_LIBRARY_PATH:+:${DYLD_LIBRARY_PATH}}
else
NPROC=$(nproc)
export LD_LIBRARY_PATH=$ARROW_HOME/lib:${LD_LIBRARY_PATH:-}
export LD_LIBRARY_PATH=$ARROW_HOME/lib${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
fi

pushd $ARROW_SOURCE_DIR
Expand Down
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