fix ci

dev/scripts/install-vllm-cpu.sh

@@ -4,7 +4,6 @@
 [[ -n $(which g++) ]] || { echo "GNU C++ Compiler (g++) is not found!";  exit 1; }
 [[ -n $(which pip) ]] || { echo "pip command is not found!";  exit 1; }
 
-# g++ version should be >=12.3. You can run the following to install GCC 12.3 and dependencies on conda:
 # conda install -y -c conda-forge gxx=12.3 gxx_linux-64=12.3 libxcrypt
 version_greater_equal()
 {
@@ -14,19 +13,20 @@ gcc_version=$(g++ --version | grep -o -E '[0-9]+\.[0-9]+\.[0-9]+' | head -n1)
 echo
 echo Current GNU C++ Compiler version: $gcc_version
 echo
-version_greater_equal "${gcc_version}" 12.3.0 || { echo "GNU C++ Compiler 12.3.0 or above is required!"; exit 1; }
-
 VLLM_VERSION=0.4.1
 
 echo Installing vLLM v$VLLM_VERSION ...
 # Install VLLM from source, refer to https://docs.vllm.ai/en/latest/getting_started/cpu-installation.html for details
-is_avx512_available = $(cat /proc/cpuinfo | grep avx512)
+is_avx512_available=$(cat /proc/cpuinfo | grep avx512)
 if [ -z "$is_avx512_available" ]; then
     echo "AVX512 is not available, vLLM CPU backend using other ISA types."
     MAX_JOBS=8 VLLM_TARGET_DEVICE=cpu VLLM_CPU_DISABLE_AVX512="true" pip install -v git+https://github.com/vllm-project/vllm.git@v$VLLM_VERSION \
     --extra-index-url https://download.pytorch.org/whl/cpu
 else
-    # Install vllm-cpu with AVX512 ISA support
+    # g++ version should be >=12.3. You can run the following to install GCC 12.3 and dependencies on conda:
+    version_greater_equal "${gcc_version}" 12.3.0 || { echo "GNU C++ Compiler 12.3.0 or above is required!"; exit 1; }
+    echo "Install vllm-cpu with AVX512 ISA support"
     MAX_JOBS=8 VLLM_TARGET_DEVICE=cpu pip install -v git+https://github.com/vllm-project/vllm.git@v$VLLM_VERSION \
         --extra-index-url https://download.pytorch.org/whl/cpu
+fi
 echo Done!