find_package: Don't reroot prefix that is equal to a root path (!6644) · Merge requests · CMake / CMake

alcroito requested to merge alcroito/cmake:fix_reroot_paths into master Oct 20, 2021

When both CMAKE_FIND_ROOT_PATH and CMAKE_PREFIX_PATH are set to /opt/my_device_sysroot, cmFindCommon::RerootPaths would only look for packages in /opt/my_device_sysroot/opt/my_device_sysroot but would not try to look in /opt/my_device_sysroot.

Make sure to not reroot the prefix path in such a case.

Fixes: #21937 (closed)

find_package: Don't reroot prefix that is equal to a root path

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