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Support CPM_<dependency name>_SOURCE local package override from ENV #406

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CraigHutchinson wants to merge 10 commits into from
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Support CPM_<dependency name>_SOURCE local package override from ENV #406

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edca4b6
Allow CPM_DOWNLOAD_LOCATION from ENV or Command-line
CraigHutchinson Sep 15, 2022
1a6b27f
Allow Local package override from ENV variable
CraigHutchinson Sep 15, 2022
ec7c226
Removed nesting on `CPM_DOWNLOAD_LOCATION`
CraigHutchinson Sep 21, 2022
3ebaabc
Apply `fix-cmake-format` build target
CraigHutchinson Sep 28, 2022
d680cb7
Change to use `CPM_PATH` as user-defined CPM source location
CraigHutchinson Oct 4, 2022
f753ce8
Revert add of `style` to test build
CraigHutchinson Oct 10, 2022
8f58d23
Removed trailing space
CraigHutchinson Oct 10, 2022
68a0f74
Simplified local-package with TODO for allowing as extension-point
CraigHutchinson Oct 13, 2022
d1344f9
Merge branch 'master' into LocalPackageOverride_EnvSupport
CraigHutchinson Mar 8, 2023
479b0ea
Merge branch 'master' into LocalPackageOverride_EnvSupport
CraigHutchinson Mar 25, 2026
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6 changes: 6 additions & 0 deletions cmake/CPM.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -766,6 +766,12 @@ function(CPMAddPackage)
return()
endif()

# @TODO Allow this as from a user-extension point for locating package source e.g. Check for ENV
# overide for local package-source
if(NOT DEFINED CPM_${CPM_ARGS_NAME}_SOURCE AND DEFINED ENV{CPM_${CPM_ARGS_NAME}_SOURCE})
file(TO_CMAKE_PATH $ENV{CPM_${CPM_ARGS_NAME}_SOURCE} CPM_${CPM_ARGS_NAME}_SOURCE)
endif()

# Check for manual overrides
if(NOT CPM_ARGS_FORCE AND NOT "${CPM_${CPM_ARGS_NAME}_SOURCE}" STREQUAL "")
set(PACKAGE_SOURCE ${CPM_${CPM_ARGS_NAME}_SOURCE})
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6 changes: 5 additions & 1 deletion cmake/get_cpm.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,11 @@
set(CPM_DOWNLOAD_VERSION 1.0.0-development-version)
set(CPM_HASH_SUM "CPM_HASH_SUM_PLACEHOLDER")

if(CPM_SOURCE_CACHE)
if(CPM_PATH) # CPM_PATH may be provided on command-line
set(CPM_DOWNLOAD_LOCATION "${CPM_PATH}/CPM.cmake")
elseif(DEFINED ENV{CPM_PATH}) # CPM_PATH may be provided from script environment
file(TO_CMAKE_PATH "$ENV{CPM_PATH}/CPM.cmake" CPM_DOWNLOAD_LOCATION)
elseif(CPM_SOURCE_CACHE)
set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
elseif(DEFINED ENV{CPM_SOURCE_CACHE})
set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
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