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COMP: Guard the CMP0169 policy setting so older CMake still configures #30

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Merged
hjmjohnson merged 1 commit into from
Sep 21, 2026
Merged

COMP: Guard the CMP0169 policy setting so older CMake still configures #30

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7 changes: 6 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,12 @@ if (NIFTI_BUILD_TESTING )
include(FetchContent) # fetch data a configure time to simplify tests
# If new or changed data is needed, add that data to the https://github.com/NIFTI-Imaging/nifti-test-data repo
# make a new release, and then update the URL and hash (shasum -a 256 <downloaded tarball>).
cmake_policy(SET CMP0169 OLD)
# CMP0169 (deprecating FetchContent_Populate) only exists from CMake 3.30;
# setting it unconditionally is a hard error on every earlier release,
# including the CMake 3.28 that Ubuntu 24.04 ships.
if(POLICY CMP0169)
cmake_policy(SET CMP0169 OLD)
endif()
FetchContent_Declare( fetch_testing_data
URL https://github.com/NIFTI-Imaging/nifti-test-data/archive/v3.0.2.tar.gz
URL_HASH SHA256=5dafec078151018da7aaf3c941bd31f246f590bc34fa3fef29ce77a773db16a6
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