Bip

While fixing bip/adding code, I've stumbled upon these but not all the time:

/usr/bin/ld: libbip.a(libbip_a-bip.o):/home/loic/code/bip/src/bip.c:60: multiple definition of `conf_log_system'; bipmkpw-bipmkpw.o:/home/loic/code/bip/src/bipmkpw.c:28: first defined here
/usr/bin/ld: libbip.a(libbip_a-bip.o):/home/loic/code/bip/src/bip.c:43: multiple definition of `conf_log_level'; bipmkpw-bipmkpw.o:/home/loic/code/bip/src/bipmkpw.c:26: first defined here
/usr/bin/ld: libbip.a(libbip_a-bip.o):/home/loic/code/bip/src/bip.c:64: multiple definition of `conf_global_log_file'; bipmkpw-bipmkpw.o:/home/loic/code/bip/src/bipmkpw.c:27: first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:485: bipmkpw] Error 1