[ 98%] Linking CXX executable conky In file included from /usr/include/signal.h:328, from /conky-lua/src/conky-1.11.5/tests/catch2/catch.hpp:5730, from /conky-lua/src/conky-1.11.5/tests/test-common.cc:32: /conky-lua/src/conky-1.11.5/tests/catch2/catch.hpp:8351:14: error: call to non-'constexpr' function 'long int sysconf(int)' 8351 | 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ; | ^~~~~~~~~~~ In file included from /usr/include/bits/sigstksz.h:24, from /usr/include/signal.h:328, from /conky-lua/src/conky-1.11.5/tests/catch2/catch.hpp:5730, from /conky-lua/src/conky-1.11.5/tests/test-common.cc:32: /usr/include/unistd.h:640:17: note: 'long int sysconf(int)' declared here 640 | extern long int sysconf (int __name) __THROW; | ^~~~~~~ In file included from /conky-lua/src/conky-1.11.5/tests/test-common.cc:32: /conky-lua/src/conky-1.11.5/tests/catch2/catch.hpp:8409:41: error: size of array 'altStackMem' is not an integral constant-expression 8409 | char FatalConditionHandler::altStackMem[sigStackSize] = {}; | ^~~~~~~~~~~~ [ 98%] Built target conky make[2]: *** [tests/CMakeFiles/test-conky.dir/build.make:76: tests/CMakeFiles/test-conky.dir/test-common.cc.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:1253: tests/CMakeFiles/test-conky.dir/all] Error 2 make: *** [Makefile:166: all] Error 2