/* Makefile for GNU Emacs.
   Copyright (C) 1985, 1987, 1988, 1990 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */


dot = .
/* on Xenix, replace double-dot below with $(dot)$(dot) */
lispdir = $(dot)$(dot)/lisp/
etcdir = $(dot)$(dot)/etc/
shortnamesdir = $(dot)$(dot)/shortnames/
cppdir = $(dot)$(dot)/cpp/
oldXMenudir = $(dot)$(dot)/oldXMenu/

#define NO_SHORTNAMES
#include "config.h"

/* Use HAVE_X11 as an alias for X11 in this file
   to avoid problems with X11 as a subdirectory name
   in -I and other such options which pass through this file. */

#ifdef X11
#define HAVE_X11
#undef X11
#endif

/* On some machines #define register is done in config;
   don't let it interfere with this file.  */
#undef register

/* Some machines don't find the standard C libraries in the usual place.  */
#ifndef LIB_STANDARD
#define LIB_STANDARD -lc
#endif

/* Unless inhibited or changed, use -lg to link for debugging.  */
#ifndef LIBS_DEBUG
#define LIBS_DEBUG -lg
#endif

/* Some s- files define this to request special libraries.  */
#ifndef LIBS_SYSTEM
#define LIBS_SYSTEM
#endif

/* Some m- files define this to request special libraries.  */
#ifndef LIBS_MACHINE
#define LIBS_MACHINE
#endif

/* Some s- files define this to request special switches in ld.  */
#ifndef LD_SWITCH_SYSTEM
#if defined (BSD) && !defined (COFF)
#define LD_SWITCH_SYSTEM -X
#else
#define LD_SWITCH_SYSTEM
#endif /* COFF, or not BSD */
#endif

/* Some m- files define this to request special switches in ld.  */
#ifndef LD_SWITCH_MACHINE
#define LD_SWITCH_MACHINE
#endif

/* Some m- files define this to request special switches in cc.  */
#ifndef C_SWITCH_MACHINE
#define C_SWITCH_MACHINE
#endif

#ifndef C_SWITCH_SYSTEM
#define C_SWITCH_SYSTEM
#endif

#ifndef START_FILES
#ifdef NO_REMAP
#define START_FILES pre-crt0.o /lib/crt0.o
#else
#define START_FILES crt0.o
#endif
#endif /* have START_FILES */
STARTFILES = START_FILES

/* Unless inhibited or changed, use -g to compile for debugging.  */
#ifndef C_DEBUG_SWITCH
#define C_DEBUG_SWITCH -g
#endif

/* If user wants to optimize, this is how.  */
#ifndef C_OPTIMIZE_SWITCH
#define C_OPTIMIZE_SWITCH -O
#endif

/* cc switches needed to make `asm' keyword work.
   Nothing special needed on most machines.  */
#ifndef C_SWITCH_ASM
#define C_SWITCH_ASM
#endif

/* Specify address for ld to start loading at,
   if requested by configuration.  */

#ifdef LD_TEXT_START_ADDR
STARTFLAGS = -T LD_TEXT_START_ADDR -e __start
#endif

#ifndef LINKER
#define LINKER ld
#endif
LD=LINKER
LDFLAGS = LD_SWITCH_SYSTEM LD_SWITCH_MACHINE

/* Figure out whether the system cpp can handle long names.
   Do it by testing it right now.
   If it loses, arrange to use the GNU cpp.  */

#define LONGNAMEBBBFOOX
#ifdef LONGNAMEBBBARFOOX
/* Installed cpp fails to distinguish those names!  */
/* Arrange to compile the GNU cpp later on */
#define NEED_CPP
/* Cause cc to invoke the cpp that comes with Emacs,
   which will be in a file named localcpp.  */
MYCPPFLAG= -Blocal
/* LOCALCPP is the local one or nothing.
   CPP is the local one or the standardone.  */
LOCALCPP= localcpp
#endif /* NEED_CPP */

#ifdef SHORTNAMES
SHORT= shortnames
#endif /* SHORTNAMES */

CFLAGS= C_DEBUG_SWITCH -Demacs $(MYCPPFLAG) C_SWITCH_MACHINE C_SWITCH_SYSTEM
/* DO NOT use -R.  There is a special hack described in lastfile.c
   which is used instead.  Some initialized data areas are modified
   at initial startup, then labeled as part of the text area when
   Emacs is dumped for the first time, and never changed again. */

/* You may replace C_DEBUG_SWITCH with C_OPTIMIZE_SWITCH
   if you don't believe in debugging. */

/* -Demacs is needed to make some files produce the
   correct version for use in Emacs.  */

#ifndef LIBX10_MACHINE
#define LIBX10_MACHINE
#endif

#ifndef LIBX11_MACHINE
#define LIBX11_MACHINE
#endif

#ifndef LIBX10_SYSTEM
#define LIBX10_SYSTEM
#endif

#ifndef LIBX11_SYSTEM
#define LIBX11_SYSTEM
#endif

#ifndef LIB_X11_LIB
#define LIB_X11_LIB -lX11
#endif

#ifdef HAVE_X_WINDOWS
#ifdef HAVE_X11
#ifdef HAVE_X_MENU
OLDXMENU = libXMenu11.a
XOBJ = x11term.o x11fns.o xmenu.o
LIBX = $(OLDXMENU) -loldX LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
#else
XOBJ = x11term.o x11fns.o
LIBX = LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
#endif
#else /* not HAVE_X11 */
#ifdef HAVE_X_MENU
XOBJ= xterm.o xfns.o xmenu.o
LIBX= -lXMenu -lX LIBX10_MACHINE LIBX10_SYSTEM
#else
XOBJ= xterm.o xfns.o
LIBX= -lX LIBX10_MACHINE LIBX10_SYSTEM
#endif /* not HAVE_X_MENU */
#endif /* not HAVE_X11 */
#endif /* HAVE_X_WINDOWS */

/* Fix linking if compiled with GCC.  */
#ifdef __GNUC__
#ifndef LIB_GCC
#define LIB_GCC /usr/local/lib/gcc-gnulib
#endif
GNULIB_VAR = `if [ -f LIB_GCC ] ; then echo LIB_GCC; else echo; fi`
#else
GNULIB_VAR = 
#endif

#ifdef MAINTAIN_ENVIRONMENT
environobj = environ.o
#endif MAINTAIN_ENVIRONMENT

/* Allow config.h to specify a replacement file for unexec.c.  */
#ifndef UNEXEC
#define UNEXEC unexec.o
#endif

/* lastfile must follow all files
   whose initialized data areas should be dumped as pure by dump-emacs. */
obj=    dispnew.o scroll.o xdisp.o window.o \
	term.o cm.o $(XOBJ) \
	emacs.o keyboard.o macros.o keymap.o sysdep.o \
	buffer.o filelock.o insdel.o marker.o \
	minibuf.o fileio.o dired.o filemode.o \
	cmds.o casefiddle.o indent.o search.o regex.o undo.o \
	alloc.o data.o doc.o editfns.o callint.o \
	eval.o fns.o print.o lread.o \
	abbrev.o syntax.o UNEXEC mocklisp.o bytecode.o \
	process.o callproc.o $(environobj) \
	doprnt.o

#ifdef TERMINFO
/* Used to be -ltermcap here.  If your machine needs that,
   define LIBS_TERMCAP in the m- file.  */
#ifndef LIBS_TERMCAP
#define LIBS_TERMCAP -lcurses
#endif
termcapobj = terminfo.o
#else
#ifndef LIBS_TERMCAP
#define LIBS_TERMCAP
termcapobj = termcap.o tparam.o
#else
termcapobj = tparam.o
#endif
#endif

#ifndef SYSTEM_MALLOC
#ifdef HAVE_ALLOCA
mallocobj = malloc.o
#else
mallocobj = alloca.o malloc.o
#endif
#else /* SYSTEM_MALLOC */
#ifndef HAVE_ALLOCA
mallocobj = alloca.o
#endif
#endif

/* define otherobj as list of object files that make-docfile
   should not be told about.  */
otherobj= $(termcapobj) lastfile.o $(mallocobj)

/* List of Lisp files loaded into the dumped Emacs. */
lisp=	${lispdir}simple.elc ${lispdir}help.elc \
	${lispdir}files.elc ${lispdir}window.elc \
	${lispdir}indent.elc ${lispdir}loaddefs.el ${lispdir}paths.el \
	${lispdir}startup.elc ${lispdir}lisp.elc \
	${lispdir}page.elc ${lispdir}register.elc \
	${lispdir}paragraphs.elc ${lispdir}lisp-mode.elc \
	${lispdir}text-mode.elc ${lispdir}fill.elc \
	${lispdir}c-mode.elc ${lispdir}isearch.elc \
	${lispdir}replace.elc ${lispdir}abbrev.elc \
	${lispdir}buff-menu.elc ${lispdir}subr.elc

/* just to be sure the sh is used */
SHELL=/bin/sh

/* Construct full set of libraries to be linked.  */
LIBES = LIBS_TERMCAP $(LIBX) LIBS_SYSTEM LIBS_MACHINE LIBS_DEBUG LIB_STANDARD $(GNULIB_VAR)

/* Enable recompilation of certain other files depending on system type.  */

#ifndef OTHER_FILES
#define OTHER_FILES
#endif

/* Enable inclusion of object files in temacs depending on system type.  */
#ifndef OBJECTS_SYSTEM
#define OBJECTS_SYSTEM
#endif

#ifndef OBJECTS_MACHINE
#define OBJECTS_MACHINE
#endif

all: xemacs OTHER_FILES

xemacs: temacs ${etcdir}DOC ${lisp}
#ifdef HAVE_SHM
	./temacs -nl -batch -l inc-vers
	./temacs -nl -batch -l loadup dump
	ln temacs xemacs
#else
#ifdef CANNOT_DUMP
	mv temacs xemacs
#else
	./temacs -batch -l inc-vers
	./temacs -batch -l loadup.el dump
#endif /* not CANNOT_DUMP */
#endif /* not HAVE_SHM */

${etcdir}DOC: ${etcdir}make-docfile ${obj} ${lisp}
	rm -f ${etcdir}DOC
	${etcdir}make-docfile ${obj} ${lisp} ${lispdir}version.el > ${etcdir}DOC

${etcdir}make-docfile:
	cd ${etcdir}; make ${MFLAGS} make-docfile

/* Some systems define this to cause parallel Make-ing.  */
#ifndef MAKE_PARALLEL
#define MAKE_PARALLEL
#endif

temacs: MAKE_PARALLEL $(LOCALCPP) $(SHORT) $(STARTFILES) $(OLDXMENU) ${obj} ${otherobj} OBJECTS_SYSTEM OBJECTS_MACHINE
	$(LD) ${STARTFLAGS} ${LDFLAGS} -o temacs ${STARTFILES} ${obj} ${otherobj} OBJECTS_SYSTEM OBJECTS_MACHINE ${LIBES}

/* These are needed for C compilation, on the systems that need them */
#ifdef NEED_CPP
CPP = ./localcpp
localcpp:
	cd ${cppdir}; make ${MFLAGS} EMACS=-DEMACS
	ln ${cppdir}cpp localcpp  /* Name where CFLAGS will refer to it */
/* cc appears to be cretinous and require all of these to exist
   if -B is specified -- we can't use one local pass and let the
   others be the standard ones.  What a loser.
   We can't even use ln, since they are probably
   on different disks.  */
	cp /lib/ccom localccom
	-cp /lib/optim localoptim
	-cp /lib/c2 localc2
	cp /bin/as localas
#else /* not NEED_CPP */
CPP = $(CC) -E
#endif /* need NEED_CPP */

#ifdef SHORTNAMES
shortnames:
	cd ${shortnamesdir}; make ${MFLAGS}
#endif /* SHORTNAMES */

#ifdef HAVE_X_WINDOWS
#ifdef HAVE_X_MENU
#ifdef HAVE_X11
$(OLDXMENU):
	cd ${oldXMenudir}; make ${MFLAGS}
	ln ${oldXMenudir}libXMenu11.a $(OLDXMENU)
#endif /* HAVE_X11 */
#endif /* HAVE_X_MENU */
#endif /* HAVE_X_WINDOWS */

paths.h: paths.h-dist
	@sh -c "if test -r $@; then echo $? is newer than $@; exit 1;\
	  else exit 0; fi"
	cp $? $@

config.h: config.h-dist
	@sh -c "if test -r $@; then echo $? is newer than $@; exit 1;\
	  else exit 0; fi"
	cp $? $@

/* Some machines have alloca built-in.
   They should define HAVE_ALLOCA, or may just let alloca.s
   be used but generate no code.
   Some have it written in assembler in alloca.s.
   Some use the C version in alloca.c (these define C_ALLOCA in config.h).
   */

#ifdef C_ALLOCA
alloca.o : alloca.c
#else
#ifndef HAVE_ALLOCA
alloca.o : alloca.s config.h
/* $(CPP) is cc -E, which may get confused by filenames
   that do not end in .c.  So copy file to a safe name.  */
	cp alloca.s allocatem.c
/* remove any ^L, blank lines, and preprocessor comments,
   since some assemblers barf on them */
	$(CPP) allocatem.c | \
	sed -e 's///' -e 's/^#.*//' | \
	sed -n -e '/^..*$$/p' > allocatem.s
	-rm -f alloca.o
/* Xenix, in particular, needs to run assembler via cc.  */
	cc -c allocatem.s
	mv allocatem.o alloca.o
	rm allocatem.s allocatem.c
#endif /* HAVE_ALLOCA */
#endif /* not C_ALLOCA */

/* Nearly all the following files depend on lisp.h,
   but it is not included as a dependency because
   it is so often changed in ways that do not require any recompilation
   and so rarely changed in ways that do require any.  */

abbrev.o : abbrev.c buffer.h commands.h config.h 
buffer.o : buffer.c syntax.h buffer.h commands.h window.h config.h 
callint.o : callint.c window.h commands.h buffer.h config.h 
callproc.o : callproc.c paths.h buffer.h commands.h config.h 
casefiddle.o : casefiddle.c syntax.h commands.h buffer.h config.h 
cm.o : cm.c cm.h termhooks.h config.h
cmds.o : cmds.c syntax.h buffer.h commands.h config.h 
crt0.o : crt0.c config.h
	$(CC) -c $(CFLAGS) C_SWITCH_ASM crt0.c
dired.o : dired.c commands.h buffer.h config.h 
dispnew.o : dispnew.c commands.h window.h buffer.h dispextern.h termchar.h termopts.h cm.h config.h
doc.o : doc.c buffer.h config.h paths.h
doprnt.o : doprnt.c
editfns.o : editfns.c window.h buffer.h config.h 
emacs.o : emacs.c commands.h config.h 
#ifdef MAINTAIN_ENVIRONMENT
environ.o : environ.c buffer.h commands.h config.h
#endif MAINTAIN_ENVIRONMENT
fileio.o : fileio.c window.h buffer.h config.h 
filelock.o : filelock.c buffer.h paths.h config.h
filemode.o : filemode.c 
indent.o : indent.c window.h indent.h buffer.h config.h termchar.h termopts.h
insdel.o : insdel.c window.h buffer.h config.h 
keyboard.o : keyboard.c termchar.h termhooks.h termopts.h buffer.h commands.h window.h macros.h config.h 
keymap.o : keymap.c buffer.h commands.h config.h 
lastfile.o : lastfile.c 
macros.o : macros.c window.h buffer.h commands.h macros.h config.h
malloc.o : malloc.c config.h
marker.o : marker.c buffer.h config.h 
minibuf.o : minibuf.c syntax.h window.h buffer.h commands.h config.h 
mocklisp.o : mocklisp.c buffer.h config.h
process.o : process.c process.h buffer.h window.h termhooks.h termopts.h commands.h config.h 
regex.o : regex.c syntax.h buffer.h config.h regex.h 
scroll.o : scroll.c termchar.h config.h dispextern.h termhooks.h
search.o : search.c regex.h commands.h buffer.h syntax.h config.h 
syntax.o : syntax.c syntax.h buffer.h commands.h config.h 
sysdep.o : sysdep.c config.h dispextern.h termhooks.h termchar.h termopts.h window.h
term.o : term.c termchar.h termhooks.h termopts.h config.h cm.h
termcap.o : termcap.c config.h
terminfo.o : terminfo.c config.h
tparam.o : tparam.c config.h
undo.o : undo.c buffer.h commands.h config.h 
UNEXEC : config.h
window.o : window.c indent.h commands.h window.h buffer.h config.h termchar.h
xdisp.o : xdisp.c macros.h commands.h indent.h buffer.h dispextern.h termchar.h window.h config.h 
xfns.o : xfns.c xterm.h window.h config.h
xmenu.o : xmenu.c xterm.h window.h config.h
xterm.o : xterm.c xterm.h termhooks.h termopts.h termchar.h \
 dispextern.h config.h sink.h sinkmask.h

x11fns.o : x11fns.c window.h x11term.h dispextern.h termchar.h config.h
x11term.o : x11term.c x11term.h termhooks.h termopts.h termchar.h \
 dispextern.h config.h sink.h sinkmask.h

/* The files of Lisp proper */

alloc.o : alloc.c window.h buffer.h config.h 
bytecode.o : bytecode.c buffer.h config.h 
data.o : data.c buffer.h config.h 
eval.o : eval.c commands.h config.h
fns.o : fns.c buffer.h commands.h config.h
print.o : print.c process.h window.h buffer.h dispextern.h termchar.h config.h 
lread.o : lread.c buffer.h paths.h config.h 

/* System-specific programs to be made.
   OTHER_FILES, OBJECTS_SYSTEM and OBJECTS_MACHINE
   select which of these should be compiled.  */

sunfns.o  : sunfns.c buffer.h config.h

${etcdir}emacstool: ${etcdir}emacstool.c
	cd ${etcdir}; make ${MFLAGS} emacstool