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Respect FETCHCONTENT_BASE_DIR if set by a user #244

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merged 2 commits into from
Apr 16, 2021
Merged

Respect FETCHCONTENT_BASE_DIR if set by a user #244

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23b0be8
Respect `FETCHCONTENT_BASE_DIR` if set by a user
trxcllnt Apr 15, 2021
b4c4f02
Use a single `CPM_FETCHCONTENT_BASE_DIR` var
trxcllnt Apr 15, 2021
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14 changes: 12 additions & 2 deletions cmake/CPM.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -525,7 +525,12 @@ function(CPMAddPackage)
list(APPEND CPM_ARGS_UNPARSED_ARGUMENTS SOURCE_DIR ${download_directory})
if(EXISTS ${download_directory})
# avoid FetchContent modules to improve performance
set(${CPM_ARGS_NAME}_BINARY_DIR ${CMAKE_BINARY_DIR}/_deps/${lower_case_name}-build)
if(DEFINED FETCHCONTENT_BASE_DIR)
# respect FETCHCONTENT_BASE_DIR if set
set(${CPM_ARGS_NAME}_BINARY_DIR ${FETCHCONTENT_BASE_DIR}/${lower_case_name}-build)
else()
set(${CPM_ARGS_NAME}_BINARY_DIR ${CMAKE_BINARY_DIR}/_deps/${lower_case_name}-build)
endif()
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set(${CPM_ARGS_NAME}_ADDED YES)
set(${CPM_ARGS_NAME}_SOURCE_DIR ${download_directory})
cpm_add_subdirectory(
Expand All @@ -546,7 +551,12 @@ function(CPMAddPackage)
endif()

# remove timestamps so CMake will re-download the dependency
file(REMOVE_RECURSE ${CMAKE_BINARY_DIR}/_deps/${lower_case_name}-subbuild)
if(DEFINED FETCHCONTENT_BASE_DIR)
# respect FETCHCONTENT_BASE_DIR if set
file(REMOVE_RECURSE ${FETCHCONTENT_BASE_DIR}/${lower_case_name}-subbuild)
else()
file(REMOVE_RECURSE ${CMAKE_BINARY_DIR}/_deps/${lower_case_name}-subbuild)
endif()
set(PACKAGE_INFO "${PACKAGE_INFO} to ${download_directory}")
endif()
endif()
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