dnl checks for header files
AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
- termcap.h stdio_ext.h fcntl.h term.h strings.h coff.h pty.h sys/mman.h \
+ termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
sys/param.h sys/vlimit.h sys/resource.h)
dnl On Solaris 8 there's a compilation warning for term.h because
dnl it doesn't define `bool'.
__fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
sendto recvfrom getsockopt setsockopt getsockname getpeername \
gai_strerror mkstemp getline getdelim mremap memmove fsync bzero \
-memset memcmp memmove)
+memset memcmp memmove difftime)
AC_CHECK_HEADERS(sys/un.h)