.PHONY: lilypond mingit phone web
.PHONY: default compilers TAGS help
sources = GNUmakefile $(filter-out %~, $(wildcard *.make bin/* gub/*.py gub/*/*.py gub/*/*/*.py gub/*/*/*/*.py test-lily/*.py))

ifeq ($(PLATFORMS),)
PLATFORMS=linux-x86 darwin-ppc darwin-x86 mingw linux-64 linux-ppc freebsd-x86 freebsd-64
endif

default: compilers

include gub.make
include compilers.make

TAGS: $(sources)
	etags $^

MAKE_FILES = $(filter-out compilers.make gub.make local.make,$(wildcard *.make))
MAKE_BASES = $(MAKE_FILES:%.make=%)

help:
	@echo Usage: make TAGS$(foreach a,$(MAKE_BASES),"|$a")
	@echo
	@echo For more elaborate use, see READMEs

$(MAKE_BASES):
	$(MAKE) -f $@.make

lily% cygwin%:
	$(MAKE) -f lilypond.make $@

denemo-%:
	$(MAKE) -f inkscape.make $@

inkscape-%:
	$(MAKE) -f inkscape.make $@

openoffice-%:
	$(MAKE) -f openoffice.make $@

test:
	rm -rf target
	make -f lilypond.make tools LOCAL_GUB_OPTIONS=-vvv
	bin/gub -p $(BUILD_PLATFORM) --branch=lilypond=master:master lilypond -vvv

README: web/index.html web/lilypond.html web/inkscape.html web/oo.o.html
	w3m -dump $^ > $@

web: README
	scp -p web/*html lilypond.org:/var/www/lilypond/gub

PYTHON_SOURCES = $$(git ls-files | grep -E '(^bin/|*.py$$)' | grep -Ev 'gub/(2|3)/')
python3:
ifeq (0,0) # a 2to3 crash fails to convert the remaining files
	2to3-3.0 -nw -x urllib -x next $(PYTHON_SOURCES) >/dev/null
else
	for i in $(PYTHON_SOURCES); do\
	    2to3-3.0 -nw -x urllib -x next $$i >/dev/null || :; \
	done
endif
# fix breakages
	sed -i -e 's@^\( *\)\t@\1        @g' \
	    -e 's@subprocess[.]\(AutogenMagic\|Chmod\|Conditional\|Copy\|CreateShar\|Dump\|ForcedAutogenMagic\|Func\|MapLocate\|Message\|Mkdir\|PackageGlobs\|Remove\|Rename\|Rmtree\|ShadowTree\|Substitute\|Symlink\|System\|UpdateSourceDir\)@commands.\1@g' \
		$(PYTHON_SOURCES)
# cleaning
	sed -i \
	     -e 's@\(for .* in\) list(\(.*[.]\(keys\|items\|values\)\) *()):@\1 \2 ():@' $(git ls-files | grep -E '(^bin/|*.py$)') \
	    -e 's@\(list\|next\|print\)(@\1 (@g' \
		$(PYTHON_SOURCES)

python3-stats:
	git diff origin p3 | grep -E '^(\+|X-) '| sed -e 's@^\(.\) *@\1@g' -e 's@^\(.\).*\(dbhash\|dbm\|md5\|0o\|new\|list (\|__self__\)@\1\2@g' | sort

python3-printf:
	sed -i \
	    -e 's@ print \([^(].*\)@ printf (\1)@g' \
	    -e 's@ print @ printf @g' \
		$(PYTHON_SOURCES)
	sed -i \
	    -e 's@#\nfrom gub import@#\nfrom gub.syntax import printf\nfrom gub import@' $$(grep -l printf $$(git diff --name-only))
# sed 4.0.1 is broken, what t[ext]t[tool] do you use?
	pytt '#\nfrom gub import' '#\nfrom gub.syntax import printf\nfrom gub import' $$(grep -l printf $$(git diff --name-only))


ROOT = GUB
FAKEROOT_CACHE = $(ROOT)/fakeroot.save
#FAKEROOT = $(ROOT)/usr/bin/fakeroot -i $(FAKEROOT_CACHE) -s $(FAKEROOT_CACHE)
#FAKECHROOT = $(ROOT)/usr/bin/fakechroot chroot $(ROOT)
FAKEROOT = $(ROOT)/usr/bin/fakeroot-ng -p $(FAKEROOT_CACHE)
FAKECHROOT = chroot $(ROOT)
BUILD_ARCHITECTURE = $(shell $(PYTHON) bin/build-architecture)
UNTAR = cd $(ROOT)/$(BUILD_ARCHITECTURE) && set -x && for i in $$(find packages -name "*.gup"); do tar xzf $$i; done


boot_packs =\
 gub-utils\
 librestrict\
 dash\
 gawk\
 grep\
 coreutils\
 texinfo\
 cross/binutils\
 cross/gcc-core\
 linux-headers\
 glibc-core\
 cross/gcc\
 glibc\
 bash\
 tar\
 make\
 patch\
 sed\
 ncurses\
 findutils\
 libtool\
 util-linux\
 fakeroot-ng\
 expat\
 zlib\
 gzip\
 bzip2\
 db\
 gdbm\
 python\
 perl\
 m4\
 autoconf\
 automake\
 makedev\
#

# Hmm.  Some of these are not needed in the final root per se
# but are needed to rebuild the root to get context-free checksums
# Such as: bzip2, gzip, m4, autoconf, patch?
root_packs =\
 autoconf\
 automake\
 bash\
 bzip2\
 coreutils\
 cross/binutils\
 cross/gcc-core\
 dash\
 db\
 expat\
 gdbm\
 gub-utils\
 fakeroot-ng\
 glibc-core\
 gzip\
 make\
 makedev\
 patch\
 perl\
 python\
 tar\
 util-linux\
 zlib\

#

# build GUB packages to populate root [eventually for distribution]
boot:
	mkdir -p $(ROOT)
	sudo ln -sf $(PWD)/GUB /
	set -x; $(foreach i,$(boot_packs),BOOTSTRAP=TRUE bin/gub -x --fresh --keep --lax-checksums $(i) &&) :
	mkdir -p BOOTSTRAP/$(BUILD_ARCHITECTURE)/packages
	rsync -az $(ROOT)/$(BUILD_ARCHITECTURE)/packages/ BOOTSTRAP/$(BUILD_ARCHITECTURE)/packages
	rm -f $$(find BOOTSTRAP/$(BUILD_ARCHITECTURE)/packages -name 'glibc' -o -name 'gcc' -o -name 'librestrict' -o -name 'linux-headers' -o -name 'sed' -o -name 'libtool' -o -name 'findutils' | grep -v core)
	mv --backup=t $(ROOT) BOOT || mkdir $(ROOT)

root:
	$(MAKE) setup-root
	BOOTSTRAP=TRUE $(FAKECHROOT) bash -l -c 'gbin/gub cross/gcc'
#	BOOTSTRAP=TRUE $(FAKECHROOT) bash -l -c 'gbin/gub -x fakeroot-ng'

setup-root:
	mkdir -p $(ROOT)
	# Symlink setup
	BOOTSTRAP=$(ROOT) bin/gub > /dev/null || :
	rsync -az ./BOOTSTRAP/ $(ROOT)
	mkdir -p $(ROOT)/downloads/cross/gcc-core
	rsync -az downloads/cross/gcc-core/ $(ROOT)/downloads/cross/gcc-core
	# let's not clutter /bin
	rsync -az bin/ $(ROOT)/gbin
	rsync -az gub librestrict nsis patches sourcefiles $(ROOT)
	$(UNTAR)
	rm -f $(FAKEROOT_CACHE)
	touch $(FAKEROOT_CACHE)
	$(FAKEROOT) $(FAKECHROOT) /bin/bash -l -c 'cd /dev && ./MAKEDEV standard'
#	$(FAKEROOT) $(FAKECHROOT) /bin/bash -l -c '($UNTAR)'
	mv $(ROOT)/dev/urandom $(ROOT)/dev/urandom-

# run test build in root
run:
	BOOTSTRAP=TRUE $(FAKEROOT) $(FAKECHROOT) bash -l -c 'gbin/gub cross/gcc'

# run test build in root
rebuildrun: setup-root
	rm -f $(ROOT)/$(BUILD_ARCHITECTURE)/etc/gup/*
	rsync -az ./BINARIES/ $(ROOT)
	$(UNTAR)
	BOOTSTRAP=TRUE $(FAKECHROOT) bash -l -c 'gbin/gub --keep --fresh perl cross/gcc'
	rsync -az $(ROOT)/$(BUILD_ARCHITECTURE)/packages/ BINARIES/$(BUILD_ARCHITECTURE)/packages

# enter into root
chroot:
	BOOTSTRAP=TRUE $(FAKEROOT) $(FAKECHROOT) bash -l