AIX
_AIX
-BSD4_2
-BSD_SYSTEM
CYGWIN Compiling the Cygwin port.
__CYGWIN__ Ditto
GNU_LINUX
DARWIN_OS Compiling on Mac OS X or pure Darwin (and using s/darwin.h).
SOLARIS2
USG
-USG5
USG5_4
** Distinguishing GUIs **
AMPERSAND_FULL_NAME
BROKEN_DATAGRAM_SOCKETS
BROKEN_FIONREAD
-BROKEN_GETWD
BROKEN_GET_CURRENT_DIR_NAME
BROKEN_NON_BLOCKING_CONNECT
BROKEN_PTY_READ_AFTER_EAGAIN
CLASH_DETECTION
DATA_SEG_BITS
-DATA_START
DEFAULT_SOUND_DEVICE
DEVICE_SEP
DIRECTORY_SEP
HAVE_CFSETSPEED
HAVE_CLOCK_GETTIME
HAVE_CLOCK_SETTIME
-HAVE_CLOSEDIR
HAVE_COFF_H
HAVE_COM_ERR_H
HAVE_COPYSIGN
HAVE_DECL_SYS_SIGLIST
HAVE_DECL_TZNAME
HAVE_DECL___SYS_SIGLIST
-HAVE_DES_H
-HAVE_DEV_PTMX
HAVE_DIALOGS
HAVE_DIFFTIME
-HAVE_DIRENT_H
HAVE_DUP2
HAVE_ENDGRENT
HAVE_ENDPWENT
HAVE_ENVIRON_DECL
HAVE_EUIDACCESS
-HAVE_FCNTL_H
HAVE_FORK
-HAVE_FPATHCONF
HAVE_FREEIFADDRS
HAVE_FREETYPE
HAVE_FSEEKO
-HAVE_FSYNC
HAVE_FUTIMENS
HAVE_FUTIMES
HAVE_FUTIMESAT
HAVE_GAI_STRERROR
HAVE_GCONF
HAVE_GETADDRINFO
-HAVE_GETCWD
HAVE_GETDELIM
HAVE_GETGRENT
HAVE_GETHOSTNAME
HAVE_GETRUSAGE
HAVE_GETSOCKNAME
HAVE_GETTIMEOFDAY
-HAVE_GETWD
HAVE_GET_CURRENT_DIR_NAME
HAVE_GHOSTSCRIPT
HAVE_GIF
HAVE_GNUTLS
-HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY
-HAVE_GNUTLS_CERTIFICATE_SET_VERIFY_FUNCTION
HAVE_GPM
HAVE_GRANTPT
HAVE_GSETTINGS
HAVE_INET_SOCKETS
HAVE_INTTYPES_H
HAVE_JPEG
-HAVE_KERBEROSIV_DES_H
HAVE_KERBEROSIV_KRB_H
-HAVE_KERBEROS_DES_H
HAVE_KERBEROS_KRB_H
HAVE_KRB5_ERROR_E_TEXT
HAVE_KRB5_ERROR_TEXT
HAVE_KRB5_H
HAVE_KRB_H
HAVE_LANGINFO_CODESET
-HAVE_LIBCOM_ERR
-HAVE_LIBCRYPTO
-HAVE_LIBDES
-HAVE_LIBDES425
HAVE_LIBDGC
HAVE_LIBDNET
-HAVE_LIBHESIOD
-HAVE_LIBK5CRYPTO
-HAVE_LIBKRB
-HAVE_LIBKRB4
-HAVE_LIBKRB5
HAVE_LIBKSTAT
HAVE_LIBLOCKFILE
HAVE_LIBM
HAVE_LIBPERFSTAT
HAVE_LIBPNG_PNG_H
HAVE_LIBPTHREADS
-HAVE_LIBRESOLV
HAVE_LIBSELINUX
HAVE_LIBXEXT
HAVE_LIBXML2
HAVE_LIBXMU
-HAVE_LINUX_VERSION_H
HAVE_LOCALTIME_R
HAVE_LOCAL_SOCKETS
HAVE_LONG_FILE_NAMES
HAVE_MENUS
HAVE_MKSTEMP
HAVE_MMAP
-HAVE_MOUSE
HAVE_MULTILINGUAL_MENU
HAVE_NANOTIME
HAVE_NET_IF_DL_H
HAVE_SEQPACKET
HAVE_SETITIMER
HAVE_SETLOCALE
-HAVE_SETPGID
HAVE_SETRLIMIT
-HAVE_SETSID
HAVE_SHARED_GAME_DIR
HAVE_SHUTDOWN
HAVE_SIGNED_${GLTYPE}
HAVE_SIGNED_WCHAR_T
HAVE_SIGNED_WINT_T
HAVE_SIGSET_T
-HAVE_SIZE_T
HAVE_SNPRINTF
HAVE_SOCKETS
HAVE_SOUND
HAVE_SOUNDCARD_H
-HAVE_SPEED_T
HAVE_STDINT_H
HAVE_STDIO_EXT_H
HAVE_STDLIB_H
HAVE_TOUCHLOCK
HAVE_TZNAME
HAVE_TZSET
-HAVE_UNISTD_H
HAVE_UNSIGNED_LONG_LONG_INT
HAVE_UTIL_H
HAVE_UTIMENSAT
HAVE_XAW3D
HAVE_XFT
HAVE_XIM
-HAVE_XKBGETKEYBOARD
HAVE_XPM
HAVE_XRMSETDATABASE
HAVE_XSCREENNUMBEROFSCREEN
NSIG
NSIG_MINIMUM
NULL_DEVICE
-ORDINARY_LINK
-O_RDONLY
-O_RDWR
PAGESIZE
PREFER_VSUSP
PTY_ITERATION
PTY_TTY_NAME_SPRINTF
PURESIZE
RUN_TIME_REMAP
-SETPGRP_RELEASES_CTTY
SETUP_SLAVE_PTY
-SIGALRM
-SIGCHLD
-SIGHUP
-SIGKILL
SIGNALS_VIA_CHARACTERS
-SIGPIPE
-SIGQUIT
-SIGTRAP
STDC_HEADERS
SYSTEM_PURESIZE_EXTRA
SYSTEM_MALLOC
TIME_WITH_SYS_TIME
TIOCSIGSEND
TM_IN_SYS_TIME
-ULIMIT_BREAK_VALUE
UNIX98_PTYS
USE_TOOLKIT_SCROLL_BARS
USG_SUBTTY_WORKS