WINDOWSNT Compiling the native MS-Windows (W32) port.
__MINGW32__ Compiling the W32 port with the MinGW port of GCC.
_MSC_VER Compiling the W32 port with the Microsoft C compiler.
-USE_LISP_UNION_TYPE Define it in lisp.h to make Lisp_Object be a union type instead of the default int.
+DARWIN_OS Compiling on Mac OS X or pure Darwin (and using s/darwin.h).
** Distinguishing GUIs **
HAVE_NTGUI Use the native W32 GUI for windows, frames, menus&scrollbars.
-HAVE_NS Use the NeXT/OpenStep/Cocoa UI under Mac OS X or GNUstep.
+HAVE_NS Use the NeXT/OpenStep/Cocoa UI under Mac OS X or GNUstep.
NS_IMPL_GNUSTEP Compile support for GNUSTEP implementation of NS GUI API.
NS_IMPL_COCOA Compile support for Cocoa (Apple) implementation of NS GUI API.
HAVE_X11 Compile support for the X11 GUI.
FRAME_W32_P A frame using native MS-Windows GUI.
FRAME_WINDOW_P A GUI frame (like X, w32, etc.)
+** Support for accessing other processes on the system **
+
+HAVE_PROCFS The /proc filesystem is supported.
+LISTPROC A function that returns a list of PIDs of system processes.
+PROCATTR A function that returns attributes of a process.
+
** Compile-time options **
+
REL_ALLOC Compile in the relocatable memory allocator ralloc.c.
SYSTEM_MALLOC Use the system library's malloc.
subprocesses System can use subprocesses (for M-x shell for example). Defined by default, only MSDOS undefines it.
+USE_LISP_UNION_TYPE Define it in lisp.h to make Lisp_Object be a union type instead of the default int.
+
+** Misc macros
+USER_FULL_NAME If defined, overrides the default pw->pw_gecos for getting at the full user name. Only MSDOS overrides the default.
** Replace, the definition is trivial: SWITCH_ENUM_CAST
FIRST_PTY_LETTER
FLOAT_CHECK_DOMAIN
FSCALE
-Fread
GAP_USE_BCOPY
GC_LISP_OBJECT_ALIGNMENT
GC_MARK_SECONDARY_STACK
GNU_MALLOC
HAVE_AIX_SMT_EXP
HAVE_ALLOCA
-HAVE_AVAILABILITYMACROS_H
HAVE_BCMP
HAVE_BCOPY
HAVE_CBRT
NOT_USING_MOTIF
NO_ABORT
NO_ARG_ARRAY
+NO_DIR_LIBRARY
NO_EDITRES
NO_MATHERR
NO_REMAP
TABDLY
TERM
TERMINFO
-TEXT_END
TEXT_START
THIS_IS_CONFIGURE
THIS_IS_MAKEFILE