# Maintainer-only makefile segment.  This contains things that are relevant
# only if you have the full copy of the GNU make sources from the CVS
# tree, not a dist copy.
#

# Find the glob source files... this might be dangerous, but we're maintainers!
#
globsrc := $(wildcard glob/*.c)
globhdr := $(wildcard glob/*.h)

TEMPLATES = README README.DOS README.W32 \
	    config.ami configh.dos config.h.W32 config.h-vms
MTEMPLATES = Makefile.DOS SMakefile

all-am: $(TEMPLATES) $(MTEMPLATES) build.sh.in

# We need this to ensure that README and build.sh.in are created on time to
# avoid errors by automake.
#
#Makefile.in: README build.sh.in

# General rule for turning a .template into a regular file.
#
$(TEMPLATES) : % : %.template Makefile
	rm -f $@
	sed -e 's@%VERSION%@$(VERSION)@g' \
	    -e 's@%PACKAGE%@$(PACKAGE)@g' \
	  $< > $@
	chmod a-w $@

# Construct Makefiles by adding on dependencies, etc.
#
$(MTEMPLATES) : % : %.template .dep_segment Makefile
	rm -f $@
	sed -e 's@%VERSION%@$(VERSION)@g' \
	    -e 's@%PROGRAMS%@$(bin_PROGRAMS)@g' \
	    -e 's@%SOURCES%@$(filter-out remote-%,$(make_SOURCES)) remote-$$(REMOTE).c@g' \
	    -e 's@%OBJECTS%@$(filter-out remote-%,$(make_OBJECTS)) remote-$$(REMOTE).o@g' \
	    -e 's@%GLOB_SOURCES%@$(globsrc) $(globhdr)@g' \
	    -e 's@%GLOB_OBJECTS%@$(globsrc:glob/%.c=%.o)@g' \
	  $< > $@
	echo >>$@; echo '# --------------- DEPENDENCIES' >>$@; echo '#' >>$@; \
	  cat $(word 2,$^) >>$@
	chmod a-w $@

NMakefile: NMakefile.template .dep_segment Makefile
	rm -f $@
	cp $< $@
	echo >>$@; echo '# --------------- DEPENDENCIES' >>$@; echo '#' >>$@; \
	  sed 's/^\([^ ]*\)\.o:/$$(OUTDIR)\/\1.obj:/' $(word 2,$^) >>$@
	chmod a-w $@

# Construct build.sh.in
#
build.sh.in: build.template Makefile
	rm -f $@
	sed -e 's@%objs%@$(filter-out remote-%,$(make_OBJECTS)@g' \
	    -e 's@%globobjs%@$(patsubst %.c,%.o,$(globsrc)))@g' \
	  $< > $@
	chmod a-w+x $@


# Use automake to build a dependency list file, for "foreign" makefiles like
# Makefile.DOS.
#
# Automake used to have a --generate-deps flag, but it's gone now, so we have
# to do it ourselves.
#
.dep_segment: Makefile.am maintMakefile $(DEP_FILES)
	cat $(DEP_FILES) \
	  | sed -e '/^[^:]*\.[ch] *:/d' \
		-e 's, /usr/[^ ]*,,g' \
		-e 's, $(srcdir)/, ,g' \
		-e '/^ \\$$/d' \
	  > $@

# Get rid of everything "else".
#
maintFILES = configure aclocal.m4 config.h.in Makefile.in stamp-h.in

CVS-CLEAN-FILES +=	$(maintFILES) $(TEMPLATES) $(MTEMPLATES) NMakefile \
			missing build.sh.in .dep_segment

# This rule tries to clean the tree right down to how it looks when you do a
# virgin CVS checkout.

.PHONY: cvs-clean
cvs-clean: maintainer-clean
	-rm -f *~
	-rm -f config/*~ config/Makefile.in config/[a-z]*
	-rm -f po/*~ po/Makefile.in.in po/Rules-quot po/[a-z]*
	-rm -f doc/*~ doc/Makefile.in doc/fdl.texi doc/make-stds.texi \
		doc/texinfo.tex
	-rm -f glob/*~ glob/Makefile.in
	-rm -f ABOUT-NLS $(CVS-CLEAN-FILES)


# ----------------------------------------------------------------------
#
# The sections below were stolen from the Makefile.maint used by fileutils,
# sh-utils, textutils, CPPI, Bison, and Autoconf.


## ---------------- ##
## Updating files.  ##
## ---------------- ##

WGET = wget --passive-ftp --non-verbose
ftp-gnu = ftp://ftp.gnu.org/gnu

move_if_change =  if test -r $(target) && cmp -s $(target).t $(target); then \
		    echo $(target) is unchanged; rm -f $(target).t; \
		  else \
		    mv $(target).t $(target); \
		  fi

# ------------------- #
# Updating PO files.  #
# ------------------- #

po_repo = http://www.iro.umontreal.ca/contrib/po/maint/$(PACKAGE)
.PHONY: do-po-update po-update
do-po-update:
	tmppo=/tmp/$(PACKAGE)-$(VERSION)-po &&\
	rm -rf $$tmppo && \
	mkdir $$tmppo && \
	(cd $$tmppo && $(WGET) -r -l1 -nd --no-parent -A '*.po' $(po_repo)) &&\
	cp $$tmppo/*.po po
	cd po && $(MAKE) update-po
	$(MAKE) po-check

po-update:
	if test -d "po"; then \
	  $(MAKE) do-po-update; \
	fi

# -------------------------- #
# Updating GNU build tools.  #
# -------------------------- #

# The following pseudo table associates a local directory and a URL
# with each of the files that belongs to some other package and is
# regularly updated from the specified URL.
#              $(srcdir)/src/ansi2knr.c


wget_files ?= $(srcdir)/config/config.guess $(srcdir)/config/config.sub \
	      $(srcdir)/doc/texinfo.tex $(srcdir)/doc/make-stds.texi \
	      $(srcdir)/doc/fdl.texi

wget-targets = $(patsubst %, get-%, $(wget_files))

config.guess-url_prefix = $(ftp-gnu)/config/
config.sub-url_prefix = $(ftp-gnu)/config/

ansi2knr.c-url_prefix = ftp://ftp.cs.wisc.edu/ghost/

texinfo.tex-url_prefix = $(ftp-gnu)/texinfo/

standards.texi-url_prefix = $(ftp-gnu)/GNUinfo/
make-stds.texi-url_prefix = $(ftp-gnu)/GNUinfo/
fdl.texi-url_prefix = $(ftp-gnu)/GNUinfo/

target = $(patsubst get-%,%,$@)
url = $($(notdir $(target))-url_prefix)$(notdir $(target))

.PHONY: $(wget-targets)
$(wget-targets):
	@echo $(WGET) $(url) -O $(target) \
	  && $(WGET) $(url) -O $(target).t \
	  && $(move_if_change)

.PHONY: wget-update
wget-update: $(wget-targets)


# Updating tools via CVS.
cvs_files ?= depcomp missing
cvs-targets = $(patsubst %, get-%, $(cvs_files))

automake_repo = :pserver:anoncvs@anoncvs.cygnus.com:/cvs/automake
.PHONY: $(cvs-targets)
$(cvs-targets):
	$(CVS) -d $(automake_repo) co -p automake/lib/$(notdir $(target)) \
	  >$(target).t \
	    && $(move_if_change)

.PHONY: cvs-update
cvs-update: $(cvs-targets)


# --------------------- #
# Updating everything.  #
# --------------------- #

.PHONY: update
update: wget-update po-update

# cvs-update


## --------------- ##
## Sanity checks.  ##
## --------------- ##

# Checks that don't require cvs.  Run `changelog-check' last as
# previous test may reveal problems requiring new ChangeLog entries.
local-check: po-check changelog-check

# copyright-check writable-files

changelog-check:
	if head ChangeLog | grep 'Version $(VERSION)' >/dev/null; then \
	  :; \
	else \
	  echo "$(VERSION) not in ChangeLog" 1>&2; \
	  exit 1; \
	fi

# Verify that all source files using _() are listed in po/POTFILES.in.
po-check:
	if test -f po/POTFILES.in; then \
	  grep -E -v '^(#|$$)' po/POTFILES.in | sort > $@-1; \
	  grep -E -l '\b_\(' *.c | sort > $@-2; \
	  diff -u $@-1 $@-2 || exit 1; \
	  rm -f $@-1 $@-2; \
	fi