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GH-49037: [Benchmarking] Install R from non-conda source for benchmarking #49038

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Merged
thisisnic merged 1 commit into from
Jan 28, 2026
Merged

GH-49037: [Benchmarking] Install R from non-conda source for benchmarking #49038

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31 changes: 10 additions & 21 deletions dev/conbench_envs/hooks.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,7 @@ create_conda_env_for_benchmark_build() {
--file ci/conda_env_unix.txt \
compilers \
python="${PYTHON_VERSION}" \
pandas \
r
pandas
}

activate_conda_env_for_benchmark_build() {
Expand Down Expand Up @@ -57,27 +56,17 @@ build_arrow_python() {
ci/scripts/python_build.sh $(pwd) /tmp/arrow
}

build_arrow_r() {
cat ci/etc/rprofile >> $(R RHOME)/etc/Rprofile.site

# Ensure CXX20 is configured in R's Makeconf.
# conda-forge's R may have empty CXX20 entries even though the compiler supports it.
# Arrow requires C++20, so we need to add these settings if missing.
MAKECONF="$(R RHOME)/etc/Makeconf"
if [ -z "$(R CMD config CXX20)" ]; then
echo "*** CXX20 not configured in R, adding it to Makeconf"
cat >> "$MAKECONF" << 'EOF'

# Added for Arrow C++20 support
CXX20 = g++
CXX20FLAGS = -g -O2 $(LTO)
CXX20PICFLAGS = -fpic
CXX20STD = -std=gnu++20
SHLIB_CXX20LD = $(CXX20) $(CXX20STD)
SHLIB_CXX20LDFLAGS = -shared
EOF
install_r() {
if ! command -v R &> /dev/null; then
curl -Ls https://github.com/r-lib/rig/releases/download/latest/rig-linux-latest.tar.gz | sudo tar xz -C /usr/local
sudo rig add release
sudo rig default release
fi
}

build_arrow_r() {
install_r
cat ci/etc/rprofile | sudo tee -a $(R RHOME)/etc/Rprofile.site > /dev/null
ci/scripts/r_deps.sh $(pwd) $(pwd)
(cd r; R CMD INSTALL .;)
}
Expand Down