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# DIST: This is the distribution Makefile for Emacs.  configure can
# DIST: make most of the changes to this file you might want, so try
# DIST: that first.

# make all	to compile and build Emacs.
# make install	to install it.
# make install.sysv to install on system V.  Note that on system V you
#		must change mandir to /usr/local/man/man1.
# make install.xenix  to install on Xenix.
# make install.aix    to install on AIX.
# make tags	to update tags tables.
#
# make distclean	to delete everything that wasn't in the distribution.
#	This is a very dangerous thing to do!  It removes backup files,
#	among other things.
# make clean
#	This is a little less dangerous.
# make dist
#	This produces a tar file from the current source tree suitable
#	for redistribution.

SHELL = /bin/sh

# ==================== Where To Install Things ====================

# The default location for installation.  Everything is placed in
# subdirectories of this directory.  This directory must exist when
# you start installation.  The default values for many of the
# variables below are expressed in terms of this one, so you may not
# need to change them.
prefix=/usr/local

# Where to install Emacs and other binaries that people will want to
# run directly (like etags).
bindir=${prefix}/bin

# A directory under which we will install many of Emacs's files.  The
# default values for many of the variables below are expressed in
# terms of this one, so you may not need to change them.
emacsdir=${prefix}/emacs-19.0

# Where to install and expect the architecture-independent data files
# (like the tutorial and the Zippy database).
datadir=${emacsdir}/etc

# Where to install the elisp files distributed with Emacs.  Strictly
# speaking, all the elisp files should go under datadir (above), since
# both elisp source and compiled elisp are completely portable, but
# it's traditional to give the lisp files their own subdirectory.
lispdir=${emacsdir}/lisp

# Directories Emacs should search for elisp files specific to this
# site (i.e. customizations), before consulting ${lispdir}.  This
# should be a colon-separated list of directories.
locallisppath=${emacsdir}/local-lisp

# Where Emacs will search to find its elisp files.  Before changing
# this, check to see if your purpose wouldn't better be served by
# changing locallisppath.  This should be a colon-separated list of
# directories.
lisppath=${locallisppath}:${lispdir}

# Where Emacs will search for its elisp files while building.  This is
# only used during the process of compiling Emacs, to help Emacs find
# its lisp files before they've been installed in their final
# location.  It's usually identical to lisppath, except that the entry
# for the directory containing the installed lisp files has been
# replaced with ../lisp.  This should be a colon-separated list of
# directories.
buildlisppath=../lisp

# Where to install and expect the files that Emacs modifies as it
# runs.	 These files are all architecture-independent.	Right now,
# the only such data is the locking directory.
statedir=${emacsdir}

# Where to create and expect the locking directory, where the Emacs
# locking code keeps track of which files are currently being edited.
lockdir=${statedir}/lock

# Where to install and expect executable files to be run by Emacs
# rather than directly by users, and other architecture-dependent
# data.
libdir=${emacsdir}/arch-lib

# Where to install Emacs's man pages.
mandir=/usr/man/man1

# Where to install and expect the info files describing Emacs.	In the
# past, this defaulted to a subdirectory of ${prefix}/lib/emacs, but
# since there are now many packages documented with the texinfo
# system, it is inappropriate to imply that it is part of Emacs.
infodir=${prefix}/info


# ==================== Utility Programs for the Build ====================

# Allow the user to specify the install program.
INSTALL = install
INSTALLFLAGS = -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL}


# ============================= Targets ==============================

# Flags passed down to subdirectory makefiles.
MFLAGS =

# Subdirectories to make recursively.  `lisp' is not included
# because the compiled lisp files are part of the distribution
# and you cannot remake them without installing Emacs first.
SUBDIR = lib-src src

# Subdirectories to install, and where they'll go.
COPYDIR = arch-lib etc info lisp
COPYDESTS = ${libdir} ${datadir} ${infodir} ${lispdir}

all:	src/paths.h ${SUBDIR}

removenullpaths=sed -e 's/^://' -e 's/:$$//' -e 's/::/:/'

# Note that sed is not in /bin on 386bsd.
src/paths.h: Makefile src/paths.h.in
	lisppath=`echo ${lisppath} | ${removenullpaths}` ;		\
	buildlisppath=`echo ${buildlisppath} | ${removenullpaths}` ;	\
	sed < src/paths.h.in > src/paths.h.tmp				\
	-e 's;\(#.*PATH_LOADSEARCH\).*$$;\1 "'$${lisppath}'";'		\
	-e 's;\(#.*PATH_DUMPLOADSEARCH\).*$$;\1 "'$${buildlisppath}'";'	\
	-e 's;\(#.*PATH_EXEC\).*$$;\1 "${libdir}";'			\
	-e 's;\(#.*PATH_DATA\).*$$;\1 "${datadir}";'			\
	-e 's;\(#.*PATH_LOCK\).*$$;\1 "${lockdir}/";'
	./move-if-change src/paths.h.tmp src/paths.h

src:	lib-src

.RECURSIVE: ${SUBDIR}

${SUBDIR}: FRC
	cd $@; make ${MFLAGS} all

install: all mkdir lockdir
	-set ${COPYDESTS} ; \
	 for dir in ${COPYDIR} ; do \
	   dest=$$1 ; shift ; \
	   if [ `/bin/pwd`/$${dir} != `(cd $${dest}; /bin/pwd)` ] ; then \
	     (cd $${dir}; tar cf - . ) | (cd $${dest}; umask 0; tar xf - ) ; \
	     for subdir in `find $${dest} -type d ! -name RCS -print` ; do \
	       rm -rf $${subdir}/RCS ; \
	       rm -f  $${subdir}/\#* ; \
	       rm -f  $${subdir}/*~ ; \
	     done ; \
	   fi ; \
	 done
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -c arch-lib/emacsclient ${bindir}/emacsclient
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -c arch-lib/etags ${bindir}/etags
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -c arch-lib/ctags ${bindir}/ctags
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -c -m 1755 src/xemacs ${bindir}/xemacs
	${INSTALL_DATA} ${INSTALLFLAGS} -c -m 444 etc/emacs.1 ${mandir}/emacs.1
	-rm -f ${bindir}/emacs
	mv ${bindir}/xemacs ${bindir}/emacs

install.sysv: all mkdir lockdir
	-set ${COPYDESTS} ; \
	 for dir in ${COPYDIR} ; do \
	   dest=$$1 ; shift ; \
	   if [ `/bin/pwd`/$${dir} != `(cd $${dest}; /bin/pwd)` ] ; then \
	     (cd $${dir}; find . -print | cpio -pdum ${dest} ) ; \
	     for subdir in `find $${dest} -type d ! -name RCS -print` ; do \
	       rm -rf $${subdir}/RCS ; \
	       rm -f  $${subdir}/\#* ; \
	       rm -f  $${subdir}/*~ ; \
	     done ; \
	   fi ; \
	 done
	-cpset arch-lib/emacsclient ${bindir}/emacsclient 755 bin bin
	-cpset arch-lib/etags ${bindir}/etags 755 bin bin
	-cpset arch-lib/ctags ${bindir}/ctags 755 bin bin
	-cpset etc/emacs.1 ${mandir}/emacs.1 444 bin bin
	-/bin/rm -f ${bindir}/emacs
	-cpset src/xemacs ${bindir}/emacs 1755 bin bin
  
install.xenix: all mkdir lockdir
	-set ${COPYDESTS} ; \
	 for dir in ${COPYDIR} ; do \
	   dest=$$1 ; shift ; \
	   if [ `/bin/pwd`/$${dir} != `(cd $${dest}; /bin/pwd)` ] ; then \
	     (cd $${dir}; tar cf - . ) | (cd $${dest}; umask 0; tar xpf - ) ; \
	     for subdir in `find $${dest} -type d ! -name RCS -print` ; do \
	       rm -rf $${subdir}/RCS ; \
	       rm -f  $${subdir}/\#* ; \
	       rm -f  $${subdir}/*~ ; \
	     done ; \
	   fi ; \
	 done
	cp arch-lib/etags arch-lib/ctags arch-lib/emacsclient ${bindir}
	chmod 755 ${bindir}/etags ${bindir}/ctags ${bindir}/emacsclient
	cp etc/emacs.1 ${mandir}/emacs.1
	chmod 444 ${mandir}/emacs.1
	-mv -f ${bindir}/emacs ${bindir}/emacs.old
	cp src/xemacs ${bindir}/emacs
	chmod 1755 ${bindir}/emacs
	-rm -f ${bindir}/emacs.old

install.aix: all mkdir lockdir
	-set ${COPYDESTS} ; \
	 for dir in ${COPYDIR} ; do \
	   dest=$$1 ; shift ; \
	   if [ `/bin/pwd`/$${dir} != `(cd $${dest}; /bin/pwd)` ] ; then \
	     (cd $${dir}; tar cf - . ) | (cd $${dest}; umask 0; tar xBf - ) ; \
	     for subdir in `find $${dest} -type d ! -name RCS -print` ; do \
	       rm -rf $${subdir}/RCS ; \
	       rm -f  $${subdir}/\#* ; \
	       rm -f  $${subdir}/*~ ; \
	     done ; \
	   fi ; \
	 done
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -f ${bindir} etc/emacsclient
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -f ${bindir} etc/etags
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -f ${bindir} etc/ctags
	${INSTALL_PROGRAM} ${INSTALLFLAGS} -M 1755 -f ${bindir} src/xemacs
	${INSTALL_DATA} ${INSTALLFLAGS} -M 444 -f ${mandir} etc/emacs.1
	-rm -f ${bindir}/emacs
	mv ${bindir}/xemacs ${bindir}/emacs

# Build all the directories
mkdir: FRC
	# If any of the directories are below ${emacsdir}, create it.
	-for dir in ${COPYDESTS}; do \
	   case "$${dir}" in \
	     ${emacsdir}/* ) \
	       if [ ! -d ${emacsdir} ]; then \
		 mkdir ${emacsdir} ; \
		 chmod 777 ${emacsdir} ; \
	       fi ; \
	       break\
	     ;; \
	   esac ; \
	 done
	-mkdir ${COPYDESTS}
	-chmod 777 ${COPYDESTS}

lockdir:
	# If the lockdir needs ${emacsdir}, create it.
	-case "${lockdir}" in \
	   ${statedir}/* ) \
	     if [ ! -d ${emacsdir} ]; then \
	       mkdir ${emacsdir} ; \
	       chmod 777 ${emacsdir} ; \
	     fi \
	   ;; \
	 esac
	-mkdir ${LOCKDIR}
	-chmod 777 ${LOCKDIR}

FRC:

clean mostlyclean:
	cd src; make clean
	if [ `/bin/pwd` != `(cd ${emacsdir}; /bin/pwd)` ] ; then \
		(cd etc; make clean); \
		(cd lib-src; make clean); \
	else true; \
	fi
	cd oldXMenu; make clean

distclean:
	for i in ${SUBDIR}; do (cd $$i; make ${MFLAGS} distclean); done
	-(cd lock; rm *)
	-rm config.status config-tmp-*
	-rm #*# *~

realclean:
	for i in ${SUBDIR}; do (cd $$i; make ${MFLAGS} realclean); done
	(cd lock; rm *)
	rm config.status

TAGS tags:	lib-src
	cd src; ../arch-lib/etags *.[ch] ../lisp/*.el ../lisp/term/*.el

check:
	@echo "We don't have any tests for GNU Emacs yet."

dist:
	make-dist