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

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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
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14 changes: 11 additions & 3 deletions cmake/CPM.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -611,10 +611,18 @@ function(CPMAddPackage)
return()
endif()

# Check for ENV overide for local package-source when not already defined. NOTE: Uses a recursive
# CPMAddPackage call where `CPM_${CPM_ARGS_NAME}_SOURCE` == "" which causes first if-case to stop
# recusrion
if(CPM_${CPM_ARGS_NAME}_SOURCE)
file(TO_CMAKE_PATH "${CPM_${CPM_ARGS_NAME}_SOURCE}" PACKAGE_SOURCE)
elseif(DEFINED ENV{CPM_${CPM_ARGS_NAME}_SOURCE})
file(TO_CMAKE_PATH "$ENV{CPM_${CPM_ARGS_NAME}_SOURCE}" PACKAGE_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})
set(CPM_${CPM_ARGS_NAME}_SOURCE "")
if(NOT CPM_ARGS_FORCE AND NOT "${PACKAGE_SOURCE}" STREQUAL "")
set(CPM_${CPM_ARGS_NAME}_SOURCE "") # Assign empty to prevent recursion
CPMAddPackage(
NAME "${CPM_ARGS_NAME}"
SOURCE_DIR "${PACKAGE_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
@@ -1,6 +1,10 @@
set(CPM_DOWNLOAD_VERSION 1.0.0-development-version)

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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2 changes: 2 additions & 0 deletions test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -14,3 +14,5 @@ foreach(test ${tests})
endforeach()

add_custom_target(test-verbose COMMAND ${CMAKE_CTEST_COMMAND} -C Debug --verbose)

add_subdirectory(style)