CMake-generated Makefiles call CMake at build time—unlike autotools where m4 and Perl are not required once you’ve built the distribution tarball. If you really

CMake-generated Makefiles call CMake at build time—unlike autotools where m4 and Perl are not required once you’ve built the distribution tarball. If you really really want, with autoconf alone you can even write the config.h by hand, the template contains lists all the defines that should go there. (With automake added to the mix, you probably can’t.)