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[Build/CI] Set FETCHCONTENT_BASE_DIR to one location for better caching #8930

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Sep 29, 2024
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1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ share/python-wheels/
.installed.cfg
*.egg
MANIFEST
/.deps/

# PyInstaller
# Usually these files are written by a python script from a template
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9 changes: 9 additions & 0 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -166,7 +166,16 @@ if(NVCC_THREADS AND VLLM_GPU_LANG STREQUAL "CUDA")
list(APPEND VLLM_GPU_FLAGS "--threads=${NVCC_THREADS}")
endif()


#
# Use FetchContent for C++ dependencies that are compiled as part of vLLM's build process.
# Configure it to place files in vllm/.deps, in order to play nicely with sccache.
#
include(FetchContent)
get_filename_component(PROJECT_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}" ABSOLUTE)
file(MAKE_DIRECTORY "${FETCHCONTENT_BASE_DIR}")
set(FETCHCONTENT_BASE_DIR "${PROJECT_ROOT_DIR}/.deps")
message(STATUS "FetchContent base directory: ${FETCHCONTENT_BASE_DIR}")

#
# Define other extension targets
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