Hi Maintainer It looks like the autopkgtest also needs fixing [1]. I have copied what I hope is the relevant part of the log below.
Regards Graham [1] https://ci.debian.net/packages/c/chemps2/testing/arm64/ 78s autopkgtest [02:55:40]: test libtest: [----------------------- 79s 79s SRCDIR="$(pwd)" 79s cd $AUTOPKGTEST_TMP 79s cat $SRCDIR/tests/test1.cpp.in | sed -e "s/\${CMAKE\_SOURCE\_DIR}\/tests\/matrixelements\///" > upstream.cpp 79s cp $SRCDIR/tests/matrixelements/N2.STO3G.FCIDUMP . 79s cp $SRCDIR/debian/tests/CMakeLists.txt . 79s 79s cmake . 79s CMake Error at CMakeLists.txt:1 (CMAKE_MINIMUM_REQUIRED): 79s Compatibility with CMake < 3.5 has been removed from CMake. 79s 79s Update the VERSION argument <min> value. Or, use the <min>...<max> syntax 79s to tell CMake that the project requires at least <min> but has been updated 79s to work with policies introduced by <max> or earlier. 79s 79s Or, add -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to try configuring anyway. 79s 79s 79s -- Configuring incomplete, errors occurred! 79s autopkgtest [02:55:41]: test libtest: -----------------------] 79s autopkgtest [02:55:41]: test libtest: - - - - - - - - - - results - - - - - - - - - - 79s libtest FAIL non-zero exit status 1

