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When running 'make show-info-all' without a '.config', it is possible to trigger this script without passing a version number. The 'show-info-all' target is special because it forces the reading of all packages without requiring a .config, so BR2_HOST_CMAKE_AT_LEAST is unset and the script is called as: check-host-cmake.sh cmake cmake3 Without validation, the integer comparisons below would produce errors like: check-host-cmake.sh: line 37: [: cmake: integer expected It's possible to trigger this by adding the following file somewhere in you path: cat >/bin/cmake3 <<EOF echo "cmake version 4.3.3 CMake suite maintained and supported by Kitware (kitware.com/cmake)." EOF make show-info-all The same issue can also occur with pkg-stats. Signed-off-by: Thomas Perale <thomas.perale@mind.be> Signed-off-by: Arnout Vandecappelle <arnout@rnout.be>