Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/Makefile,v
rcsdiff: /ftp/cvs/cvsroot/src/Makefile,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.118
retrieving revision 1.154
diff -u -p -r1.118 -r1.154
--- src/Makefile	2000/06/20 06:00:24	1.118
+++ src/Makefile	2001/11/13 15:56:28	1.154
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.118 2000/06/20 06:00:24 thorpej Exp $
+#	$NetBSD: Makefile,v 1.154 2001/11/13 15:56:28 tv Exp $
 
 # This is the top-level makefile for building NetBSD. For an outline of
 # how to build a snapshot or release, as well as other release engineering
@@ -24,139 +24,165 @@
 #   MKSHARE, if set to `no', will prevent building and installing
 #	anything in /usr/share.
 #   NBUILDJOBS is the number of jobs to start in parallel during a
-#	'make build'. It defaults to 1.
-#   UPDATE will avoid a `make cleandir' at the start of `make build',
-#	as well as having the effects listed in /usr/share/mk/bsd.README.
+#	`make build'. It defaults to 1.
+#   UPDATE, if defined, will avoid a `make cleandir' at the start of
+#     `make build', as well as having the effects listed in
+#     /usr/share/mk/bsd.README.
+#   NOCLEANDIR, if defined, will avoid a `make cleandir' at the start
+#     of the `make build'.
+#   NOINCLUDES will avoid the `make includes' usually done by `make build'.
 #
 # Targets:
-#   build: builds a full release of netbsd in DESTDIR. If BUILD_DONE is
+#   build:
+#	Builds a full release of NetBSD in DESTDIR.  If BUILD_DONE is
 #	set, this is an empty target.
-#   release: does a `make build,' and then tars up the DESTDIR files
+#   release:
+#	Does a `make build,' and then tars up the DESTDIR files
 #	into RELEASEDIR, in release(7) format. (See etc/Makefile for
 #	more information on this.)
-#   snapshot: a synonym for release.
-
-.include <bsd.own.mk>
-
-MKOBJDIRS ?= no
-HAVE_EGCS!=	${CXX} --version | egrep "^(2\.[89]|egcs)" ; echo
+#   regression-tests:
+#	Runs the regression tests in "regress" on this host.
+#
+# Targets invoked by `make build,' in order:
+#   obj:             creates object directories.
+#   cleandir:        cleans the tree.
+#   do-tools:        builds host toolchain.
+#   do-distrib-dirs: creates the distribution directories.
+#   includes:        installs include files.
+#   do-lib-csu:      builds and installs prerequisites from lib/csu.
+#   do-lib:          builds and installs prerequisites from lib.
+#   do-gnu-lib:      builds and installs prerequisites from gnu/lib.
+#   do-build:        builds and installs the entire system.
 
-.if defined(NBUILDJOBS)
-_J= -j${NBUILDJOBS}
+.if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
+.MAKEFLAGS: -m ${.CURDIR}/share/mk
 .endif
 
-.if defined(DESTDIR)
-_M=-m ${DESTDIR}/usr/share/mk
-.endif
+.include <bsd.own.mk>
 
-# NOTE THAT etc *DOES NOT* BELONG IN THE LIST BELOW
+# Sanity check: make sure that "make build" is not invoked simultaneously
+# with a standard recursive target.
 
-SUBDIR+= lib include bin libexec sbin usr.bin usr.sbin share sys
-.if make(obj)
-SUBDIR+= distrib
-.ifdef MAKEOBJDIRPREFIX
-SUBDIR+= etc
+.if make(build) || make(release) || make(snapshot)
+.for targ in ${TARGETS:Nobj:Ncleandir}
+.if make(${targ}) && !target(.BEGIN)
+.BEGIN:
+	@echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
+	@false
 .endif
+.endfor
 .endif
 
-includes-lib: includes-include includes-sys
-
-.if exists(games)
-SUBDIR+= games
+.if defined(NBUILDJOBS)
+_J=		-j${NBUILDJOBS}
 .endif
 
-SUBDIR+= gnu
-# This is needed for libstdc++ and gen-params.
-includes-gnu: includes-include includes-sys
+_SUBDIR=	tools lib include gnu bin games libexec sbin usr.bin \
+		usr.sbin share sys etc distrib regress
 
-.if exists(regress)
-.ifmake !(install)
-SUBDIR+= regress
+# Weed out directories that don't exist.
+
+.for dir in ${_SUBDIR}
+.if exists(${dir}/Makefile) && (${BUILD_${dir}:Uyes} != "no")
+SUBDIR+=	${dir}
 .endif
+.endfor
 
+.if exists(regress)
 regression-tests:
 	@echo Running regression tests...
-	@(cd ${.CURDIR}/regress && ${MAKE} ${_M} regress)
-.endif
-
-buildmsg:
-	@echo -n "Build started at: "
-	@date
-
-beforeinstall:
-.ifndef NODISTRIBDIRS
-.ifndef DESTDIR
-	(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs)
-.else
-	(cd ${.CURDIR}/etc && ${MAKE} distrib-dirs)
-.endif
-.endif
-
-afterinstall:
-.if ${MKMAN} != "no" && !defined(_BUILD)
-	${MAKE} ${_M} whatis.db
+	@(cd ${.CURDIR}/regress && ${MAKE} regress)
 .endif
 
+.if ${MKMAN} != "no"
+afterinstall: whatis.db
 whatis.db:
-	(cd ${.CURDIR}/share/man && ${MAKE} ${_M} makedb)
+	(cd ${.CURDIR}/share/man && ${MAKE} makedb)
+.endif
 
-# wrt info/dir below:  It's safe to move this over top of /usr/share/info/dir,
-# as the build will automatically remove/replace the non-pkg entries there.
+# Targets (in order!) called by "make build".
 
-.if defined(BUILD_DONE)
-build:
-	@echo "Build installed into ${DESTDIR}"
-.else
-build: buildmsg beforeinstall
-.if defined(FORCE_DOMESTIC)
-	@echo '*** CAPUTE!'
-	@echo '    The FORCE_DOMESTIC flag is not compatible with "make build".'
-	@echo '    Please correct the problem and try again.'
-	@false
-.endif
-.if ${MKSHARE} != "no"
-	(cd ${.CURDIR}/share/mk && ${MAKE} install)
+.if ${MKOBJDIRS} != "no"
+BUILDTARGETS+=	obj
 .endif
 .if !defined(UPDATE) && !defined(NOCLEANDIR)
-	${MAKE} ${_J} ${_M} cleandir
-.endif
-.if ${MKOBJDIRS} != "no"
-	${MAKE} ${_M} obj
+BUILDTARGETS+=	cleandir
 .endif
-.if empty(HAVE_EGCS)
-.if defined(DESTDIR)
-	@echo "*** CAPUTE!"
-	@echo "    You attempted to compile the world without egcs.  You must"
-	@echo "    first install a native egcs compiler."
-	@false
-.else
-	(cd ${.CURDIR}/gnu/usr.bin/egcs && \
-	    ${MAKE} ${_M} ${_J} dependall MKMAN=no && \
-	    ${MAKE} ${_M} MKMAN=no install && ${MAKE} ${_M} cleandir)
+.if ${USETOOLS} == "yes"
+BUILDTARGETS+=	do-tools
 .endif
+.if !defined(NODISTRIBDIRS)
+BUILDTARGETS+=	do-distrib-dirs
 .endif
 .if !defined(NOINCLUDES)
-	${MAKE} ${_M} includes
+BUILDTARGETS+=	includes
 .endif
-	(cd ${.CURDIR}/lib/csu && \
-	    ${MAKE} ${_M} ${_J} MKSHARE=no dependall && \
-	    ${MAKE} ${_M} MKSHARE=no install)
-	(cd ${.CURDIR}/lib && \
-	    ${MAKE} ${_M} ${_J} MKSHARE=no dependall && \
-	    ${MAKE} ${_M} MKSHARE=no install)
-	(cd ${.CURDIR}/gnu/lib && \
-	    ${MAKE} ${_M} ${_J} MKSHARE=no dependall && \
-	    ${MAKE} ${_M} MKSHARE=no install)
-	${MAKE} ${_M} ${_J} dependall && ${MAKE} ${_M} _BUILD= install
-.if defined(DOMESTIC) && !defined(EXPORTABLE_SYSTEM)
-	(cd ${.CURDIR}/${DOMESTIC} && ${MAKE} ${_M} ${_J} _SLAVE_BUILD= build)
-.endif
-	${MAKE} ${_M} whatis.db
-	@echo -n "Build finished at: "
-	@date
+BUILDTARGETS+=	do-lib-csu do-lib do-gnu-lib do-build
+
+# Enforce proper ordering of some rules.
+
+.ORDER:		${BUILDTARGETS}
+includes-lib:	includes-include includes-sys
+includes-gnu:	includes-lib
+
+# Build the system and install into DESTDIR.
+
+build:
+.if defined(BUILD_DONE)
+	@echo "Build already installed into ${DESTDIR}"
+.else
+	@echo -n "Build started at: " && date
+.for tgt in ${BUILDTARGETS}
+	(cd ${.CURDIR} && ${MAKE} ${_J} ${tgt})
+.endfor
+	@echo -n "Build finished at: " && date
 .endif
 
+# Build a release or snapshot (implies "make build").
+
 release snapshot: build
-	(cd ${.CURDIR}/etc && ${MAKE} ${_M} INSTALL_DONE=1 release)
+	(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 release)
+
+# Special components of the "make build" process.
 
+do-distrib-dirs:
+.if !defined(DESTDIR) || ${DESTDIR} == ""
+	(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs)
+.else
+	(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=${DESTDIR} distrib-dirs)
+.endif
+
+.for dir in tools lib/csu lib gnu/lib
+do-${dir:S/\//-/}:
+.for targ in dependall install
+	(cd ${.CURDIR}/${dir} && ${MAKE} ${_J} ${targ})
+.endfor
+.endfor
+
+do-build:
+.for targ in dependall install
+	(cd ${.CURDIR} && ${MAKE} ${_J} ${targ} BUILD_tools=no BUILD_lib=no)
+.endfor
+
+# Speedup stubs for some subtrees that don't need to run these rules.
+# (Tells <bsd.subdir.mk> not to recurse for them.)
+
+.for dir in bin etc distrib games libexec regress sbin usr.sbin tools
+includes-${dir}:
+	@true
+.endfor
+.for dir in etc distrib regress
+install-${dir}:
+	@true
+.endfor
+
+# XXX this needs to change when distrib Makefiles are recursion compliant
+dependall-distrib depend-distrib all-distrib:
+	@true
+
+.include <bsd.obj.mk>
 .include <bsd.subdir.mk>
+
+build-docs: ${.CURDIR}/BUILDING
+${.CURDIR}/BUILDING: BUILDING.mdoc
+	groff -mdoc -Tascii -P-b -P-u -P-o $> >$@