1. Look for the current branch in your vLLM clone.
1. Look for the current branch in your vLLM clone.
2. Identify the corresponding base commit in the main branch.
1. Identify the corresponding base commit in the main branch.
3. Download the pre-built wheel of the base commit.
1. Download the pre-built wheel of the base commit.
4. Use its compiled libraries in the installation.
1. Use its compiled libraries in the installation.
!!! note
!!! note
1. If you change C++ or kernel code, you cannot use Python-only build; otherwise you will see an import error about library not found or undefined symbol.
1. If you change C++ or kernel code, you cannot use Python-only build; otherwise you will see an import error about library not found or undefined symbol.