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Allow users to override the default path for CPM_SOURCE_CACHE #669

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Allow users to override the default path for CPM_SOURCE_CACHE #669

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a469909
Allow users to override the default path for CPM_SOURCE_CACHE using C…
blozano-tt Jun 19, 2025
0042430
Update CPM.cmake
blozano-tt Jun 19, 2025
91662ef
Update CPM.cmake
blozano-tt Jun 20, 2025
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5 changes: 4 additions & 1 deletion cmake/CPM.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -155,9 +155,12 @@ set(CPM_DRY_RUN
CACHE INTERNAL "Don't download or configure dependencies (for testing)"
)

# ENV gets top priority to control CPM_SOURCE_CACHE location
# If it is not defined, allow user to control the location with CPM_SOURCE_CACHE_DEFAULT
# If neither are set disable CPM_SOURCE_CACHE
if(DEFINED ENV{CPM_SOURCE_CACHE})
set(CPM_SOURCE_CACHE_DEFAULT $ENV{CPM_SOURCE_CACHE})
else()
elseif(NOT DEFINED CPM_SOURCE_CACHE_DEFAULT)
set(CPM_SOURCE_CACHE_DEFAULT OFF)
endif()

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