HAVE_SYS_CDEFS_H    7 ext/digest/md5/extconf.h #define HAVE_SYS_CDEFS_H 1
HAVE_SYS_CDEFS_H    8 ext/digest/rmd160/extconf.h #define HAVE_SYS_CDEFS_H 1
HAVE_SYS_CDEFS_H    7 ext/digest/sha1/extconf.h #define HAVE_SYS_CDEFS_H 1
HAVE_SYS_CDEFS_H    9 ext/digest/sha2/extconf.h #define HAVE_SYS_CDEFS_H 1