checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for gcc option to accept ISO C99... unsupported checking for gcc option to accept ISO C89... (cached) none needed checking for gcc option to accept ISO Standard C... (cached) none needed checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/xpg4/bin/grep checking for egrep... /usr/xpg4/bin/grep -E checking for ANSI C header files... Hangup