Something

jim@panicroom:~/libfastjar/trunk$ gcc -c -o obj/pushback.o -I include/ src/pushback.c -Wall -Werror -O2 -std=c99
jim@panicroom:~/libfastjar/trunk$ gcc -c -o obj/pbtest.o -I include/ pbtest.c -Wall -Werror -O2 -std=c99
jim@panicroom:~/libfastjar/trunk$ ld -o pbtest obj/*.o /usr/lib/libc.so --entry=main
jim@panicroom:~/libfastjar/trunk$ ls
doc  include  obj  original  pbtest  pbtest.c  src  test.txt  TlistSession
jim@panicroom:~/libfastjar/trunk$ ./pbtest 
bash: ./pbtest: No such file or directory