#!/usr/bin/make -f
# debian/rules for LilyPond in Debian.
#
# This is free software; see the GNU General Public Licence
# version 2 or later for copying conditions.  There is NO warranty.
#

export MAILADDRESS = lilypond@packages.debian.org

# fontconfig blows chunks if it can't write to $HOME; and some
# buildds set it to a bogus value.
export HOME = /tmp

DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
CFLAGS := $(shell dpkg-buildflags --get CFLAGS)
CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS)
ifneq (,$(filter $(DEB_HOST_ARCH), i386 kfreebsd-i386))
  config_opt = --disable-optimising
  CFLAGS := $(filter-out -O%, $(CFLAGS))
  CXXFLAGS := $(filter-out -O%, $(CXXFLAGS))
else
ifneq (,$(filter $(DEB_BUILD_OPTIONS),noopt))
  config_opt = --disable-optimising
else
  config_opt = --enable-optimising
endif
endif

DOC_OPTIONS := WEB_TARGETS="offline"
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	DOC_OPTIONS := $(DOC_OPTIONS) CPU_COUNT=$(firstword $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
endif

%:
	dh $@ --parallel --with autotools-dev --with python2 --with quilt


## we need to nuke the parser files, because if there is a mistmatch
## between upstreams bison and our bison, the build will fail epically
override_dh_auto_configure:
	rm -f lily/out/parser.*
	dh_auto_configure -- --disable-checking --enable-debugging $(config_opt)

override_dh_auto_build-indep:
	dh_auto_build
	$(MAKE) doc $(DOC_OPTIONS)

override_dh_auto_install-indep:
	$(MAKE) install-doc $(DOC_OPTIONS) prefix=$(CURDIR)/debian/tmp/usr/
	$(MAKE) install-info $(DOC_OPTIONS) prefix=$(CURDIR)/debian/tmp/usr
	rm -rf $(CURDIR)/debian/tmp/usr/share/omf
	rm -rf $(CURDIR)/debian/tmp/usr/share/doc/lilypond/html/input

## Unfortunately, lilypond is kind of broken, and installs the wrong
## info documentation (missing images) if we call their makefile
## directly. They also don't provide an install rule which doesn't
## install the documentation, which we don't care about for the
## architecture dependent build
override_dh_auto_install-arch:
	for dir in `echo */*makefile|xargs -n 1 dirname|grep -v Documentation`; do \
		$(MAKE) --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C $$dir install $(DOC_OPTIONS) prefix=$(CURDIR)/debian/tmp/usr/; \
	done;

## we need to nuke the parser files, because if there is a mistmatch
## between upstreams bison and our bison, the build will fail epically
override_dh_auto_clean:
	rm -f lily/out/parser.*
	dh_auto_clean

## we need to install only the png, jpg, css, ly and english html
## files into the doc-html package, and only the english pdfs into the
## doc-pdf package. Because dh_install doesn't support regexes, we'll
## use find to replace the contents of the .install file before we
## call dh_install
override_dh_install:
	/bin/echo -e 'usr/share/doc/lilypond/html/*/*/*.ly\nusr/share/doc/lilypond/html/*/*/*.png' \
		> $(CURDIR)/debian/lilypond-doc-html.install
	/bin/echo -e 'usr/share/doc/lilypond/html/*/*/*.jpg\nusr/share/doc/lilypond/html/*/*/*.css' \
		>> $(CURDIR)/debian/lilypond-doc-html.install
	find $(CURDIR)/debian/tmp/ -type f \
		-regex '.*usr/share/doc/lilypond/.*/[^\.]+.html' \
		-printf '%P\n' >> $(CURDIR)/debian/lilypond-doc-html.install
	/bin/echo -e ''> $(CURDIR)/debian/lilypond-doc-pdf.install
	find $(CURDIR)/debian/tmp/ -type f \
		-regex '.*usr/share/doc/lilypond/.*/[^\.]+.pdf' \
		-printf '%P\n' >> $(CURDIR)/debian/lilypond-doc-pdf.install
	find $(CURDIR)/debian/tmp/ -type f \
		-regex '.*usr/share/doc/lilypond/.*/[^\.]+.preview.pdf' \
		-printf '%P\n' >> $(CURDIR)/debian/lilypond-doc-pdf.install
	dh_install --list-missing

override_dh_python2:
	dh_python2
	dh_python2 usr/share/lilypond/*/python/

override_dh_compress:
	dh_compress -X.ly

override_dh_installdocs:
	dh_installdocs
	for a in $(wildcard $(CURDIR)/debian/*.doc-base-special); do \
		package=`basename $$a .doc-base-special`; \
		install -d debian/$$package/usr/share/doc-base; \
		install -m0644 $$a debian/$$package/usr/share/doc-base/$$package; \
	done;

## this rule will update debian/control and the per-language install
## files; all of the files it generates/modifies should be included in
## the Debian package and should not need to be regenerated or
## modified.
update-doc-packages:
	perl debian/update_doc_packages