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[Backport 2.9] Add gcc version verification before building k-NN #986

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Jul 13, 2023
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9 changes: 9 additions & 0 deletions scripts/build.sh
Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,15 @@ if [ "$JAVA_HOME" = "" ]; then
echo "SET JAVA_HOME=$JAVA_HOME"
fi

# Ensure gcc version is above 4.9.0 for faiss 1.7.4+ compilation
GCC_VERSION=`gcc --version | head -n 1 | cut -d ' ' -f3`
GCC_REQUIRED_VERSION=4.9.0
COMPARE_VERSION=`echo $GCC_REQUIRED_VERSION $GCC_VERSION | tr ' ' '\n' | sort -V | uniq | head -n 1`
if [ ! "$COMPARE_VERSION" = "$GCC_REQUIRED_VERSION" ]; then
echo "gcc version on this env is older than $GCC_REQUIRED_VERSION, exit 1"
exit 1
fi

# Build k-NN lib and plugin through gradle tasks
cd $work_dir
# Gradle build is used here to replace gradle assemble due to build will also call cmake and make before generating jars
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