A sample configure session

% ./configure
creating cache ./config.cache
checking for gcc... gcc
checking whether we are using GNU C... yes
checking whether gcc accepts -g... yes
checking for ranlib... ranlib
checking checking if datafile creation is allowed... yes
checking whether make sets ${MAKE}... yes
checking how to run the C preprocessor... gcc -E
checking whether cross-compiling... no
checking for ANSI C header files... no
checking for sys/wait.h that is POSIX.1 compatible... yes
checking whether time.h and sys/time.h may both be included... yes
checking for string.h... yes
checking for fcntl.h... yes
checking for malloc.h... yes
checking for sys/file.h... yes
checking for unistd.h... yes
checking for working const... yes
checking whether struct tm is in sys/time.h or time.h... time.h
checking for flock... yes
updating cache /dev/null
creating ./config.status
creating combine/Makefile
creating Makefile