Update GCC required version

Signed-off-by: Naveen Tatikonda <[email protected]>

Author: naveentatikonda

Diff for: scripts/build.sh

@@ -112,7 +112,13 @@ fi
 # https://github.com/opensearch-project/k-NN/issues/1138
 # https://github.com/opensearch-project/opensearch-build/issues/4386
 GCC_VERSION=`gcc --version | head -n 1 | cut -d ' ' -f3`
-GCC_REQUIRED_VERSION=12.4
+if [ "$ARCHITECTURE" = "x64" ]; then
+  # https://github.com/opensearch-project/opensearch-build/issues/5226
+  # We need gcc version >=12.4 to build Faiss Sapphire library(avx512_spr)
+  GCC_REQUIRED_VERSION=12.4
+else
+  GCC_REQUIRED_VERSION=9.0.0
+fi
 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"