cmake HAVE_NFTW examples

ElektraInitiative/libelektra src/plugins/cache/CMakeLists.txt :23 

endif (NOT HAVE_NFTW)

ElektraInitiative/libelektra tests/cframework/CMakeLists.txt :16 

endif (HAVE_NFTW)

rpm-software-management/createrepo_c src/CMakeLists.txt :69 

CHECK_SYMBOL_EXISTS(nftw ftw.h HAVE_NFTW)