make CXX=$CXX -j$(sysctl -n hw.ncpu) test
sysctl -n hw.ncpu
echo 'namespace Kakoune { const char *version = ""; }' > src/.version.cc
/opt/homebrew/opt/llvm@13/bin/clang++     -std=c++2a -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-sign-compare -O3 -g3    -c -o src/.version.o src/.version.cc
/opt/homebrew/opt/llvm@13/bin/clang++      -std=c++2a -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-sign-compare -O3 -g3       src/.version.o -o src/kak.opt
ld: Undefined symbols:
  _main, referenced from:
      <initial-undefines>
clang-13: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [src/kak.opt] Error 1

Exit status: 2