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# src/Makefile for GNU Emacs.
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# Copyright (C) 1985, 1987-1988, 1993-1995, 1999-2012
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#   Free Software Foundation, Inc.
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# This file is part of GNU Emacs.

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# GNU Emacs is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
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# 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
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# along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
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# Note that this file is edited by msdos/sed1v2.inp for MSDOS.  That
# script may need modifying in sync with changes made here.  Try to
# avoid shell-ism because the DOS build has to use the DOS shell.

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SHELL = /bin/sh
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# Here are the things that we expect ../configure to edit.
# We use $(srcdir) explicitly in dependencies so as not to depend on VPATH.
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srcdir = @srcdir@
abs_builddir = @abs_builddir@
VPATH = $(srcdir)
CC = @CC@
CFLAGS = @CFLAGS@
CPPFLAGS = @CPPFLAGS@
LDFLAGS = @LDFLAGS@
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LD_FIRSTFLAG=@LD_FIRSTFLAG@
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EXEEXT = @EXEEXT@
version = @version@
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# Substitute an assignment for the MAKE variable, because
# BSD doesn't have it as a default.
@SET_MAKE@
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MKDIR_P = @MKDIR_P@
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# Don't use LIBS.  configure puts stuff in it that either shouldn't be
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# linked with Emacs or is duplicated by the other stuff below.
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# LIBS = @LIBS@
LIBOBJS = @LIBOBJS@

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lispsource = $(srcdir)/../lisp
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lib = ../lib
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libsrc = ../lib-src
etc = ../etc
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leimdir = ../leim
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oldXMenudir = ../oldXMenu
lwlibdir = ../lwlib
lispdir = ../lisp
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# Configuration files for .o files to depend on.
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config_h = config.h $(srcdir)/conf_post.h
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bootstrap_exe = $(abs_builddir)/bootstrap-emacs$(EXEEXT)
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## ns-app if HAVE_NS, else empty.
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OTHER_FILES = @OTHER_FILES@

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## Flags to pass for profiling builds
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PROFILING_CFLAGS = @PROFILING_CFLAGS@

## Flags to pass to the compiler to enable build warnings
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WARN_CFLAGS = @WARN_CFLAGS@
WERROR_CFLAGS = @WERROR_CFLAGS@
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## Machine-specific CFLAGS.
C_SWITCH_MACHINE=@C_SWITCH_MACHINE@
## System-specific CFLAGS.
C_SWITCH_SYSTEM=@C_SWITCH_SYSTEM@
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GNUSTEP_CFLAGS=@GNUSTEP_CFLAGS@
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## Define C_SWITCH_X_SITE to contain any special flags your compiler
## may need to deal with X Windows.  For instance, if you've defined
## HAVE_X_WINDOWS and your X include files aren't in a place that your
## compiler can find on its own, you might want to add "-I/..." or
## something similar.  This is normally set by configure.
C_SWITCH_X_SITE=@C_SWITCH_X_SITE@

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## Define LD_SWITCH_X_SITE to contain any special flags your loader
## may need to deal with X Windows.  For instance, if your X libraries
## aren't in a place that your loader can find on its own, you might
## want to add "-L/..." or something similar.  Only used if
## HAVE_X_WINDOWS.
## FIXME? configure sets a value for this, but it has never been
## substituted in this or any other Makefile. Cf C_SWITCH_X_SITE.
LD_SWITCH_X_SITE=

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## This must come before LD_SWITCH_SYSTEM.
## If needed, a -rpath option that says where to find X windows at run time.
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LD_SWITCH_X_SITE_RPATH=@LD_SWITCH_X_SITE_RPATH@
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## System-specific LDFLAGS.
LD_SWITCH_SYSTEM=@LD_SWITCH_SYSTEM@
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## This holds any special options for linking temacs only (ie, not
## used by configure).  Not used elsewhere because it sometimes
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## contains options that have to do with using Emacs's crt0,
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## which are only good with temacs.
LD_SWITCH_SYSTEM_TEMACS=@LD_SWITCH_SYSTEM_TEMACS@

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## Flags to pass to ld only for temacs.
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TEMACS_LDFLAGS = $(LD_SWITCH_SYSTEM) $(LD_SWITCH_SYSTEM_TEMACS)
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## $LDFLAGS or empty if NS_IMPL_GNUSTEP (for some reason).
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TEMACS_LDFLAGS2 = @TEMACS_LDFLAGS2@
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## If available, the full path to the paxctl program.
## On grsecurity/PaX systems, unexec will fail due to a gap between
## the bss section and the heap.  This can be prevented by disabling
## memory randomization in temacs with "paxctl -r".  See bug#11398.
PAXCTL = @PAXCTL@

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## Some systems define this to request special libraries.
LIBS_SYSTEM=@LIBS_SYSTEM@

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## Where to find libgcc.a, if using gcc and necessary.
LIB_GCC=@LIB_GCC@

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CRT_DIR=@CRT_DIR@
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## May use $CRT_DIR.
LIB_STANDARD=@LIB_STANDARD@
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START_FILES = @START_FILES@
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## -lm, or empty.
LIB_MATH=@LIB_MATH@

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## -lpthreads, or empty.
LIB_PTHREAD=@LIB_PTHREAD@

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LIBTIFF=@LIBTIFF@
LIBJPEG=@LIBJPEG@
LIBPNG=@LIBPNG@
LIBGIF=@LIBGIF@
LIBXPM=@LIBXPM@
XFT_LIBS=@XFT_LIBS@
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LIBX_EXTRA=$(LIBTIFF) $(LIBJPEG) $(LIBPNG) $(LIBGIF) $(LIBXPM) -lX11 $(XFT_LIBS)
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FONTCONFIG_CFLAGS = @FONTCONFIG_CFLAGS@
FONTCONFIG_LIBS = @FONTCONFIG_LIBS@
FREETYPE_CFLAGS = @FREETYPE_CFLAGS@
FREETYPE_LIBS = @FREETYPE_LIBS@
LIBOTF_CFLAGS = @LIBOTF_CFLAGS@
LIBOTF_LIBS = @LIBOTF_LIBS@
M17N_FLT_CFLAGS = @M17N_FLT_CFLAGS@
M17N_FLT_LIBS = @M17N_FLT_LIBS@

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LIB_CLOCK_GETTIME=@LIB_CLOCK_GETTIME@

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DBUS_CFLAGS = @DBUS_CFLAGS@
DBUS_LIBS = @DBUS_LIBS@
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## dbusbind.o if HAVE_DBUS, else empty.
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DBUS_OBJ = @DBUS_OBJ@
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LIB_EXECINFO=@LIB_EXECINFO@

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SETTINGS_CFLAGS = @SETTINGS_CFLAGS@
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SETTINGS_LIBS = @SETTINGS_LIBS@
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## gtkutil.o if USE_GTK, else empty.
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GTK_OBJ=@GTK_OBJ@

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## -ltermcap, or -lncurses, or -lcurses, or "".
LIBS_TERMCAP=@LIBS_TERMCAP@
## terminfo.o if TERMINFO, else tparam.o.
TERMCAP_OBJ=@TERMCAP_OBJ@

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LIBXMU=@LIBXMU@

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LIBXSM=@LIBXSM@

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LIBXTR6=@LIBXTR6@

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## $(LIBXMU) -lXt $(LIBXTR6) -lXext if USE_X_TOOLKIT, else $(LIBXSM).
## Only used if HAVE_X_WINDOWS.
LIBXT_OTHER=@LIBXT_OTHER@

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## If !HAVE_X11 || USE_GTK, empty.
## Else if USE_X_TOOLKIT really-lwlib, else really-oldxmenu.
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OLDXMENU_TARGET=@OLDXMENU_TARGET@

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## If !HAVE_X11 || USE_GTK, empty.
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## Else if USE_X_TOOLKIT, $(lwlibdir)/liblw.a.
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## Else $(oldXMenudir)/libXMenu11.a.
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## (Actually, rather than being empty, it is set to "nothing".
## It is never actually used for anything in this case.
## This is done because there is a rule with target $(OLDXMENU) below,
## and I think it might be a syntax error with some makes to have
## an empty target, even if the associated rule is never run.
## http://lists.gnu.org/archive/html/help-make/2010-05/msg00058.html
## The alternative would be to put that rule in a makefile fragment.)
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OLDXMENU=@OLDXMENU@

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## If HAVE_X11 && !USE_GTK, $(OLDXMENU) ../src/$(OLDXMENU); else empty.
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## We use stamp-xmenu with these two deps to both ensure that lwlib
## gets remade based on its dependencies in its own makefile,
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## and remake temacs if lwlib gets changed by this.
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OLDXMENU_DEPS=@OLDXMENU_DEPS@

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## If !HAVE_X11 && HAVE_X_WINDOWS, -lXMenu (this case no longer possible).
## Else if !HAVE_X11 || USE_GTK, empty.
## Else $(OLDXMENU).
LIBXMENU=@LIBXMENU@

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## xmenu.o if HAVE_X_WINDOWS, else empty.
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XMENU_OBJ=@XMENU_OBJ@
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## xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o if
## HAVE_X_WINDOWS, else empty.
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XOBJ=@XOBJ@

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TOOLKIT_LIBW=@TOOLKIT_LIBW@
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## Only used if HAVE_X11, in LIBX_OTHER.
LIBXT=$(TOOLKIT_LIBW) $(LIBXT_OTHER)

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## If HAVE_X11, $(LIBXT) $(LIBX_EXTRA), else empty.
LIBX_OTHER=@LIBX_OTHER@

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## LIBXMENU is nil if !HAVE_X_WINDOWS.
## LD_SWITCH_X_SITE should not be used if not using X, but nothing
## sets it at present, and if something ever does, it should be
## configure, which should set it to nil in non-X builds.
LIBX_BASE=$(LIBXMENU) $(LD_SWITCH_X_SITE)

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LIBSOUND= @LIBSOUND@
CFLAGS_SOUND= @CFLAGS_SOUND@

RSVG_LIBS= @RSVG_LIBS@
RSVG_CFLAGS= @RSVG_CFLAGS@

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IMAGEMAGICK_LIBS= @IMAGEMAGICK_LIBS@
IMAGEMAGICK_CFLAGS= @IMAGEMAGICK_CFLAGS@

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LIBXML2_LIBS = @LIBXML2_LIBS@
LIBXML2_CFLAGS = @LIBXML2_CFLAGS@
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## widget.o if USE_X_TOOLKIT, otherwise empty.
WIDGET_OBJ=@WIDGET_OBJ@

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## sheap.o if CYGWIN, otherwise empty.
CYGWIN_OBJ=@CYGWIN_OBJ@

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## fontset.o fringe.o image.o if we have any window system
WINDOW_SYSTEM_OBJ=@WINDOW_SYSTEM_OBJ@

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## dosfns.o msdos.o w16select.o if MSDOS.
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MSDOS_OBJ =
## w16select.o termcap.o if MSDOS && HAVE_X_WINDOWS.
MSDOS_X_OBJ =

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NS_OBJ=@NS_OBJ@
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## nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o if HAVE_NS.
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NS_OBJC_OBJ=@NS_OBJC_OBJ@
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## Only set if NS_IMPL_GNUSTEP.
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GNU_OBJC_CFLAGS=@GNU_OBJC_CFLAGS@
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## Empty if !HAVE_X_WINDOWS
## xfont.o ftfont.o xftfont.o ftxfont.o if HAVE_XFT
## xfont.o ftfont.o ftxfont.o if HAVE_FREETYPE
## else xfont.o
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FONT_OBJ=@FONT_OBJ@

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LIBGPM = @LIBGPM@
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## -lresolv, or empty.
LIBRESOLV = @LIBRESOLV@

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LIBSELINUX_LIBS = @LIBSELINUX_LIBS@

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LIBGNUTLS_LIBS = @LIBGNUTLS_LIBS@
LIBGNUTLS_CFLAGS = @LIBGNUTLS_CFLAGS@

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LIB_PTHREAD_SIGMASK = @LIB_PTHREAD_SIGMASK@

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INTERVALS_H = dispextern.h intervals.h composite.h

GETLOADAVG_LIBS = @GETLOADAVG_LIBS@

RUN_TEMACS = `/bin/pwd`/temacs

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UNEXEC_OBJ = @UNEXEC_OBJ@
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CANNOT_DUMP=@CANNOT_DUMP@
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DEPDIR=deps
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## -MMD -MF $(DEPDIR)/$*.d if AUTO_DEPEND; else empty.
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DEPFLAGS=@DEPFLAGS@
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## ${MKDIR_P} ${DEPDIR} (if AUTO_DEPEND); else ':'.
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MKDEPDIR=@MKDEPDIR@

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## 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.
##
## -Demacs is needed to make some files produce the correct version
## for use in Emacs.
##
## FIXME? MYCPPFLAGS only referenced in etc/DEBUG.
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ALL_CFLAGS=-Demacs $(MYCPPFLAGS) -I. -I$(srcdir) \
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  -I$(lib) -I$(srcdir)/../lib \
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  $(C_SWITCH_MACHINE) $(C_SWITCH_SYSTEM) $(C_SWITCH_X_SITE) \
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  $(GNUSTEP_CFLAGS) $(CFLAGS_SOUND) $(RSVG_CFLAGS) $(IMAGEMAGICK_CFLAGS) \
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  $(LIBXML2_CFLAGS) $(DBUS_CFLAGS) \
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  $(SETTINGS_CFLAGS) $(FREETYPE_CFLAGS) $(FONTCONFIG_CFLAGS) \
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  $(LIBOTF_CFLAGS) $(M17N_FLT_CFLAGS) $(DEPFLAGS) $(PROFILING_CFLAGS) \
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  $(LIBGNUTLS_CFLAGS) \
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  $(WARN_CFLAGS) $(WERROR_CFLAGS) $(CFLAGS)
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ALL_OBJC_CFLAGS=$(ALL_CFLAGS) $(GNU_OBJC_CFLAGS)
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.SUFFIXES: .m
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.c.o:
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	@$(MKDEPDIR)
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	$(CC) -c $(CPPFLAGS) $(ALL_CFLAGS) $<
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.m.o:
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	@$(MKDEPDIR)
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	$(CC) -c $(CPPFLAGS) $(ALL_OBJC_CFLAGS) $<
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## lastfile must follow all files whose initialized data areas should
## be dumped as pure by dump-emacs.
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base_obj = dispnew.o frame.o scroll.o xdisp.o menu.o $(XMENU_OBJ) window.o \
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	charset.o coding.o category.o ccl.o character.o chartab.o bidi.o \
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	cm.o term.o terminal.o xfaces.o $(XOBJ) $(GTK_OBJ) $(DBUS_OBJ) \
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	emacs.o keyboard.o macros.o keymap.o sysdep.o \
	buffer.o filelock.o insdel.o marker.o \
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	minibuf.o fileio.o dired.o \
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	cmds.o casetab.o casefiddle.o indent.o search.o regex.o undo.o \
	alloc.o data.o doc.o editfns.o callint.o \
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	eval.o floatfns.o fns.o font.o print.o lread.o \
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	syntax.o $(UNEXEC_OBJ) bytecode.o \
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	process.o gnutls.o callproc.o \
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	region-cache.o sound.o atimer.o \
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	doprnt.o intervals.o textprop.o composite.o xml.o \
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	$(MSDOS_OBJ) $(MSDOS_X_OBJ) $(NS_OBJ) $(CYGWIN_OBJ) $(FONT_OBJ) \
	$(WINDOW_SYSTEM_OBJ)
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obj = $(base_obj) $(NS_OBJC_OBJ)
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## Object files used on some machine or other.
## These go in the DOC file on all machines in case they are needed.
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## Some of them have no DOC entries, but it does no harm to have them
## in the list, in case they ever add any such entries.
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SOME_MACHINE_OBJECTS = dosfns.o msdos.o \
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  xterm.o xfns.o xmenu.o xselect.o xrdb.o xsmfns.o fringe.o image.o \
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  fontset.o dbusbind.o \
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  nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o \
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  w32.o w32console.o w32fns.o w32heap.o w32inevt.o \
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  w32menu.o w32proc.o w32reg.o w32select.o w32term.o w32xfns.o \
  w16select.o widget.o xfont.o ftfont.o xftfont.o ftxfont.o gtkutil.o \
  xsettings.o xgselect.o termcap.o
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## gmalloc.o if !SYSTEM_MALLOC && !DOUG_LEA_MALLOC, else empty.
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GMALLOC_OBJ=@GMALLOC_OBJ@
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## vm-limit.o if !SYSTEM_MALLOC, else empty.
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VMLIMIT_OBJ=@VMLIMIT_OBJ@
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## ralloc.o if !SYSTEM_MALLOC && REL_ALLOC, else empty.
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RALLOC_OBJ=@RALLOC_OBJ@
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## Empty on Cygwin, lastfile.o elsewhere.
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PRE_ALLOC_OBJ=@PRE_ALLOC_OBJ@
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## lastfile.o on Cygwin, empty elsewhere.
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POST_ALLOC_OBJ=@POST_ALLOC_OBJ@
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## List of object files that make-docfile should not be told about.
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otherobj= $(TERMCAP_OBJ) $(PRE_ALLOC_OBJ) $(GMALLOC_OBJ) $(RALLOC_OBJ) \
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  $(POST_ALLOC_OBJ) $(VMLIMIT_OBJ) $(WIDGET_OBJ) $(LIBOBJS)
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## Configure inserts the file lisp.mk at this point, defining $lisp.
@lisp_frag@

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## Construct full set of libraries to be linked.
## Note that SunOS needs -lm to come before -lc; otherwise, you get
## duplicated symbols.  If the standard libraries were compiled
## with GCC, we might need LIB_GCC again after them.
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LIBES = $(LIBS) $(LIBX_BASE) $(LIBX_OTHER) $(LIBSOUND) \
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   $(RSVG_LIBS) $(IMAGEMAGICK_LIBS) $(LIB_CLOCK_GETTIME) $(DBUS_LIBS) \
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   $(LIB_EXECINFO) \
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   $(LIBXML2_LIBS) $(LIBGPM) $(LIBRESOLV) $(LIBS_SYSTEM) \
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   $(LIBS_TERMCAP) $(GETLOADAVG_LIBS) $(SETTINGS_LIBS) $(LIBSELINUX_LIBS) \
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   $(FREETYPE_LIBS) $(FONTCONFIG_LIBS) $(LIBOTF_LIBS) $(M17N_FLT_LIBS) \
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   $(LIBGNUTLS_LIBS) $(LIB_PTHREAD) $(LIB_PTHREAD_SIGMASK) \
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   $(LIB_GCC) $(LIB_MATH) $(LIB_STANDARD) $(LIB_GCC)
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all: emacs$(EXEEXT) $(OTHER_FILES)
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.PHONY: all
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$(leimdir)/leim-list.el: bootstrap-emacs$(EXEEXT)
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	cd $(leimdir) && $(MAKE) $(MFLAGS) leim-list.el EMACS=$(bootstrap_exe)
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## The dumped Emacs is as functional and more efficient than
## bootstrap-emacs, so we replace the latter with the former.
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## Strictly speaking, emacs does not depend directly on all of $lisp,
## since not all pieces are used on all platforms.  But DOC depends
## on all of $lisp, and emacs depends on DOC, so it is ok to use $lisp here.
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emacs$(EXEEXT): temacs$(EXEEXT) $(etc)/DOC $(lisp) $(leimdir)/leim-list.el
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	if test "$(CANNOT_DUMP)" = "yes"; then \
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	  rm -f emacs$(EXEEXT); \
	  ln temacs$(EXEEXT) emacs$(EXEEXT); \
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	else \
	  LC_ALL=C $(RUN_TEMACS) -batch -l loadup dump || exit 1; \
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	  test "X$(PAXCTL)" = X || $(PAXCTL) -zex emacs$(EXEEXT); \
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	  rm -f bootstrap-emacs$(EXEEXT); \
	  ln emacs$(EXEEXT) bootstrap-emacs$(EXEEXT); \
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	fi
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## We run make-docfile twice because the command line may get too long
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## on some systems.  The sed command operating on lisp.mk also reduces
## the length of the command line.  Unfortunately, no-one has any idea
## exactly how long the maximum safe command line length is on all the
## various systems that Emacs supports.  Obviously, the length depends
## on what your value of $srcdir is.  If the length restriction goes
## away, lisp.mk can be merged back into this file.
##
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## $(SOME_MACHINE_OBJECTS) comes before $(obj) because some files may
## or may not be included in $(obj), but they are always included in
## $(SOME_MACHINE_OBJECTS).  Since a file is processed when it is mentioned
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## for the first time, this prevents any variation between configurations
## in the contents of the DOC file.
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##
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$(etc)/DOC: $(libsrc)/make-docfile$(EXEEXT) $(obj) $(lisp)
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	-rm -f $(etc)/DOC
	$(libsrc)/make-docfile -d $(srcdir) $(SOME_MACHINE_OBJECTS) $(obj) > $(etc)/DOC
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	$(libsrc)/make-docfile -a $(etc)/DOC -d $(lispsource) `sed -n -e 's| \\\\||' -e 's|^[ 	]*$$(lispsource)/||p' $(srcdir)/lisp.mk`
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$(libsrc)/make-docfile$(EXEEXT):
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	cd $(libsrc); $(MAKE) $(MFLAGS) make-docfile$(EXEEXT)
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buildobj.h: Makefile
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	echo "#define BUILDOBJ \"$(obj) $(otherobj) " "\"" > buildobj.h
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globals.h: gl-stamp; @true
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GLOBAL_SOURCES = $(base_obj:.o=.c) $(NS_OBJC_OBJ:.o=.m)

gl-stamp: $(libsrc)/make-docfile$(EXEEXT) $(GLOBAL_SOURCES)
	@rm -f gl-tmp
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	$(libsrc)/make-docfile -d $(srcdir) -g $(obj) > gl-tmp
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	$(srcdir)/../build-aux/move-if-change gl-tmp globals.h
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	echo timestamp > $@
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$(obj) $(otherobj): globals.h
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$(lib)/libgnu.a: $(config_h)
	cd $(lib) && $(MAKE) libgnu.a
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temacs$(EXEEXT): $(START_FILES) stamp-oldxmenu $(obj) $(otherobj) $(lib)/libgnu.a
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	$(CC) $(LD_FIRSTFLAG) $(ALL_CFLAGS) $(TEMACS_LDFLAGS) $(TEMACS_LDFLAGS2) \
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	  -o temacs $(START_FILES) $(obj) $(otherobj) $(lib)/libgnu.a $(LIBES)
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	test "$(CANNOT_DUMP)" = "yes" || \
	  test "X$(PAXCTL)" = X || $(PAXCTL) -r temacs$(EXEEXT)
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## The following oldxmenu-related rules are only (possibly) used if
## HAVE_X11 && !USE_GTK, but there is no harm in always defining them
## (provided we take a little care that OLDXMENU is never empty).
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really-lwlib: globals.h
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	cd $(lwlibdir); $(MAKE) $(MFLAGS) \
    CC='$(CC)' CFLAGS='$(CFLAGS)' MAKE='$(MAKE)'
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	@true  # make -t should not create really-lwlib.
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.PHONY: really-lwlib

really-oldXMenu:
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	cd $(oldXMenudir); $(MAKE) $(MFLAGS) \
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    CC='$(CC)' CFLAGS='$(CFLAGS)' MAKE='$(MAKE)'
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	@true  # make -t should not create really-oldXMenu.
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.PHONY: really-oldXMenu

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## We do not really need this when OLDXMENU_DEPS is empty, but as
## things stand we need something to satisfy the temacs dependency.
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stamp-oldxmenu: $(OLDXMENU_DEPS)
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	touch stamp-oldxmenu
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## Supply an ordering for parallel make.
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../src/$(OLDXMENU): $(OLDXMENU)
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$(OLDXMENU): $(OLDXMENU_TARGET)
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../config.status:: epaths.in
	@echo "The file epaths.h needs to be set up from epaths.in."
	@echo "Please run the `configure' script again."
	exit 1

../config.status:: config.in
	@echo "The file config.h needs to be set up from config.in."
	@echo "Please run the `configure' script again."
	exit 1

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doc.o: buildobj.h


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ns-app: emacs$(EXEEXT)
	cd ../nextstep && $(MAKE) $(MFLAGS) all

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.PHONY: mostlyclean clean bootstrap-clean distclean maintainer-clean
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.PHONY: versionclean extraclean frc
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mostlyclean:
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	rm -f temacs$(EXEEXT) core *.core \#* *.o libXMenu11.a liblw.a
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	rm -f ../etc/DOC
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	rm -f bootstrap-emacs$(EXEEXT) emacs-$(version)$(EXEEXT)
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	rm -f buildobj.h
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	rm -f globals.h gl-stamp
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clean: mostlyclean
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	rm -f emacs-*.*.*$(EXEEXT) emacs$(EXEEXT)
	-rm -rf $(DEPDIR)
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## bootstrap-clean is used to clean up just before a bootstrap.
## It should remove all files generated during a compilation/bootstrap,
## but not things like config.status or TAGS.
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bootstrap-clean: clean
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	rm -f epaths.h config.h config.stamp stamp-oldxmenu ../etc/DOC-*
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	if test -f ./.gdbinit; then \
	  mv ./.gdbinit ./.gdbinit.save; \
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	  if test -f "$(srcdir)/.gdbinit"; then rm -f ./.gdbinit.save; \
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	  else mv ./.gdbinit.save ./.gdbinit; fi; \
	fi
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## This is used in making a distribution.
## Do not use it on development directories!
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distclean: bootstrap-clean
	rm -f Makefile
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maintainer-clean: distclean
	@echo "This command is intended for maintainers to use;"
	@echo "it deletes files that may require special tools to rebuild."
	rm -f TAGS
versionclean:
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	-rm -f emacs$(EXEEXT) emacs-*.*.*$(EXEEXT) ../etc/DOC*
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extraclean: distclean
	-rm -f *~ \#* m/?*~ s/?*~

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## Arrange to make a tags table TAGS-LISP for ../lisp,
## plus TAGS for the C files, which includes ../lisp/TAGS by reference.
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ctagsfiles1 = [xyzXYZ]*.[hcm]
ctagsfiles2 = [a-wA-W]*.[hcm]
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TAGS: $(srcdir)/$(ctagsfiles1) $(srcdir)/$(ctagsfiles2) $(S_FILE)
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	../lib-src/etags --include=TAGS-LISP --include=$(lwlibdir)/TAGS \
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	  --regex='/[ 	]*DEFVAR_[A-Z_ 	(]+"\([^"]+\)"/' \
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	  $(srcdir)/$(ctagsfiles1) $(srcdir)/$(ctagsfiles2) $(S_FILE)
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frc:
TAGS-LISP: frc
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	$(MAKE) -f $(lispdir)/Makefile TAGS-LISP ETAGS=../lib-src/etags
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$(lwlibdir)/TAGS:
	(cd $(lwlibdir); $(MAKE) -f $(lwlibdir)/Makefile tags ETAGS=../lib-src/etags)
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tags: TAGS TAGS-LISP $(lwlibdir)/TAGS
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.PHONY: tags


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### Bootstrapping.

## Bootstrapping right is difficult because of the circular dependencies.
## Furthermore, we have to deal with the fact that many compilation targets
## such as loaddefs.el or *.elc can typically be produced by any old
## Emacs executable, so we would like to avoid rebuilding them whenever
## we build a new Emacs executable.
## To solve the circularity, we use 2 different Emacs executables,
## "emacs" is the main target and "bootstrap-emacs" is the one used
## to build the *.elc and loaddefs.el files.
## To solve the freshness issue, we used to use a third file "witness-emacs"
## which was used to witness the fact that there is a bootstrap-emacs
## executable, and then have dependencies on witness-emacs rather than
## bootstrap-emacs, but that lead to problems in parallel builds (because
## witness-emacs needed to be free from dependencies (to avoid rebuilding
## it), so it was compiled in parallel, leading typically to having 2
## processes dumping bootstrap-emacs at the same time).
## So instead, we replace the witness-emacs dependencies by conditional
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## bootstrap-dependencies (via $(BOOTSTRAPEMACS)).  Of course, since we do
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## not want to rely on GNU Make features, we have to rely on an external
## script to do the conditional part of the dependency
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## (i.e. see the $(SUBDIR) rule ../Makefile.in).
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.SUFFIXES: .elc .el

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## These suffix rules do not allow additional dependencies, sadly, so
## instead of adding a $(BOOTSTRAPEMACS) dependency here, we add it
## separately below.
## With GNU Make, we would just say "%.el : %.elc $(BOOTSTRAPEMACS)"
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.el.elc:
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	@cd ../lisp; $(MAKE) $(MFLAGS) compile-onefile \
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	                     THEFILE=$< EMACS=$(bootstrap_exe)
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## Since the .el.elc rule cannot specify an extra dependency, we do it here.
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$(lisp): $(BOOTSTRAPEMACS)
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## VCSWITNESS points to the file that holds info about the current checkout.
## We use it as a heuristic to decide when to rebuild loaddefs.el.
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$(lispsource)/loaddefs.el: $(BOOTSTRAPEMACS) $(VCSWITNESS)
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	cd ../lisp; $(MAKE) $(MFLAGS) autoloads EMACS=$(bootstrap_exe)
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## Dump an Emacs executable named bootstrap-emacs containing the
## files from loadup.el in source form.
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bootstrap-emacs$(EXEEXT): temacs$(EXEEXT)
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	cd ../lisp; $(MAKE) $(MFLAGS) update-subdirs
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	if test "$(CANNOT_DUMP)" = "yes"; then \
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	  rm -f bootstrap-emacs$(EXEEXT); \
	  ln temacs$(EXEEXT) bootstrap-emacs$(EXEEXT); \
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	else \
	  $(RUN_TEMACS) --batch --load loadup bootstrap || exit 1; \
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	  test "X$(PAXCTL)" = X || $(PAXCTL) -zex emacs$(EXEEXT); \
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	  mv -f emacs$(EXEEXT) bootstrap-emacs$(EXEEXT); \
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	fi
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	@: Compile some files earlier to speed up further compilation.
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	cd ../lisp; $(MAKE) $(MFLAGS) compile-first EMACS=$(bootstrap_exe)
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## Insert either autodeps.mk (if AUTO_DEPEND), else deps.mk.
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@deps_frag@
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### Makefile.in ends here