--> The error:
/Users/gustavopichorimboiko/src/kde4/kdelibs/kpty/kpty.cpp: In member function 'bool KPty::open()':
/Users/gustavopichorimboiko/src/kde4/kdelibs/kpty/kpty.cpp:222: error: 'PTM_DEVICE' was not declared in this scope
make[2]: *** [kpty/CMakeFiles/kpty.dir/kpty.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [kpty/CMakeFiles/kpty.dir/all] Error 2
make: *** [all] Error 2

--> config-pty.h
/* Defined to the path of the PTY multiplexer device, if any */
/* #undef PTM_DEVICE "" */

/* #undef HAVE_GETPT 1 */
#define HAVE_GRANTPT 1
/* #undef HAVE_OPENPTY 1 */
#define HAVE_PTSNAME 1
#define HAVE_REVOKE 1
#define HAVE_UNLOCKPT 1
/* #undef HAVE_UTEMPTER 1 */
/* #undef HAVE__GETPTY 1 */

/* #undef HAVE_LIBUTIL_H 1 */
#define HAVE_UTIL_H 1
/* #undef HAVE_PTY_H 1 */
#define HAVE_TERMIOS_H 1
/* #undef HAVE_TERMIO_H 1 */
/* #undef HAVE_SYS_STROPTS_H 1 */
#define HAVE_SYS_FILIO_H 1

/*
 * Steven Schultz <sms at to.gd-es.com> tells us :
 * BSD/OS 4.2 doesn't have a prototype for openpty in its system header files
 */
#ifdef __bsdi__
__BEGIN_DECLS
int openpty(int *, int *, char *, struct termios *, struct winsize *);
__END_DECLS
#endif