#!/usr/bin/make -f

# Experimental CDBS rule file for building haskell library packages v0.2
# TODO: Get this included in a package (haskell-devscripts?) and have
# it installed somewhere under /usr/share/cdbs/
# Fix any remaining issues with this.  Feedback is welcome!

SETUP = runhaskell $(wildcard Setup.*hs)
CABAL_ORIGINAL = $(shell sed 's/\r$$//' *.cabal | perl -ne 'if (/^name:\s*(.*)\s*$$/i) {$$_ = $$1; print; exit 0;}')
CABAL_PACKAGE = $(shell sed 's/\r$$//' *.cabal | perl -ne 'if (/^name:\s*(.*)\s*$$/i) {$$_ = $$1; tr/A-Z/a-z/; print; exit 0;}')
CABAL_VERSION = $(shell sed 's/\r$$//' *.cabal | sed -n 's/^[Vv]ersion:[ \t]*\([0-9.]*\)\s*/\1/p')
PROFILE_FLAG=$(shell grep -q '^Package:.*-prof$$' debian/control && echo "--enable-library-profiling" || true)
CABAL_EXECS = $(shell sed 's/\r$$//' *.cabal | sed -n 's/^[Ee]xecutable[ \t:][ \t:]*\(.*\)\s*/\1/p')

clean::
	$(SETUP) clean
	rm -rf dist dist-ghc6 dist-hugs .*config*

dist-ghc6:
	$(SETUP) configure --ghc --prefix=/usr/lib/haskell-packages/ghc6 $(PROFILE_FLAG) -v2
	mv dist dist-ghc6

build/libghc6-$(CABAL_PACKAGE)-dev:: dist-ghc6
	mv dist-ghc6 dist
	$(SETUP) build
	mv dist dist-ghc6

build/libghc6-$(CABAL_PACKAGE)-prof:: dist-ghc6
	mv dist-ghc6 dist
	$(SETUP) build
	mv dist dist-ghc6

build/libghc6-$(CABAL_PACKAGE)-doc:: dist-ghc6
	mv dist-ghc6 dist
	$(SETUP) haddock
	mv dist dist-ghc6

common-build-arch:: dist-ghc6
	mv dist-ghc6 dist
	$(SETUP) build
	mv dist dist-ghc6

dist-hugs:
	$(SETUP) configure --hugs --prefix=/usr -v2
	mv dist dist-hugs

build/libhugs-$(CABAL_PACKAGE):: dist-hugs
	mv dist-hugs dist
	$(SETUP) build
	mv dist dist-hugs

binary-install/libghc6-$(CABAL_PACKAGE)-dev::
	mv dist-ghc6 dist
	$(SETUP) copy --destdir=debian/libghc6-$(CABAL_PACKAGE)-dev
	dh_haskell_prep -plibghc6-$(CABAL_PACKAGE)-dev
	[ ! -x /usr/bin/cabal-debian ] || cabal-debian --substvar Dev
	cp dist/installed-pkg-config debian/libghc6-$(CABAL_PACKAGE)-dev/usr/lib/haskell-packages/ghc6/lib/*/
	rm -rf debian/libghc6-$(CABAL_PACKAGE)-dev/usr/lib/haskell-packages/ghc6/share/
	mv dist dist-ghc6

binary-fixup/libghc6-$(CABAL_PACKAGE)-dev:: binary-install/libghc6-$(CABAL_PACKAGE)-dev
	find debian/libghc6-$(CABAL_PACKAGE)-dev/usr/lib/haskell-packages/ghc6/lib/ -name "*_p.a" -exec rm '{}' ';'
	find debian/libghc6-$(CABAL_PACKAGE)-dev/usr/lib/haskell-packages/ghc6/lib/ -name "*.p_hi" -exec rm '{}' ';'

common-binary-fixup-arch::
	# Move The executables into their respective packages.  If
	# there is a library deb, the packages will be part of the dev
	# package, and we can just create a link.  Otherwise we need
	# to do the install here.
	set -xv; \
	for EXEC in $(CABAL_EXECS); do \
	  DEBNAME=`echo $${EXEC} | tr 'A-Z' 'a-z'`; \
	  mkdir -p debian/$${DEBNAME}/usr/bin; \
	  if [ -d debian/libghc6-$(CABAL_PACKAGE)-dev ]; then \
	    cp -ax dist-ghc6/build/$${EXEC}/$${EXEC} debian/$${DEBNAME}/usr/bin/$${EXEC}; \
	  else \
	    install -m 755 dist-ghc6/build/$${EXEC}/$${EXEC} debian/$${DEBNAME}/usr/bin/$${EXEC}; \
	  fi; \
	done

binary-install/libghc6-$(CABAL_PACKAGE)-prof::
	mv dist-ghc6 dist
	$(SETUP) copy --destdir=debian/libghc6-$(CABAL_PACKAGE)-prof
	dh_haskell_prep -plibghc6-$(CABAL_PACKAGE)-prof
# Work around #460558
	sed -i 's/ghc6-prof-prof/ghc6-prof/' debian/libghc6-$(CABAL_PACKAGE)-prof.substvars
	[ ! -x /usr/bin/cabal-debian ] || cabal-debian --substvar Prof
	cp dist/installed-pkg-config debian/libghc6-$(CABAL_PACKAGE)-dev/usr/lib/haskell-packages/ghc6/lib/*/
	rm -rf debian/libghc6-$(CABAL_PACKAGE)-prof/usr/lib/haskell-packages/ghc6/share/
	mv dist dist-ghc6

binary-fixup/libghc6-$(CABAL_PACKAGE)-prof:: binary-install/libghc6-$(CABAL_PACKAGE)-prof
	find debian/libghc6-$(CABAL_PACKAGE)-prof/usr/lib/haskell-packages/ghc6/lib/ -name "*[^p].a" -exec rm '{}' ';'
	find debian/libghc6-$(CABAL_PACKAGE)-prof/usr/lib/haskell-packages/ghc6/lib/ -name "*.o" -exec rm '{}' ';'
	find debian/libghc6-$(CABAL_PACKAGE)-prof/usr/lib/haskell-packages/ghc6/lib/ -name "*.hi" -exec rm '{}' ';'
	# Remove the profiling executables from the profiling library
	for EXEC in $(CABAL_EXECS); do rm debian/libghc6-$(CABAL_PACKAGE)-prof/usr/lib/haskell-packages/ghc6/bin/$${EXEC}; done

binary-install/libghc6-$(CABAL_PACKAGE)-doc::
	mv dist-ghc6 dist
	DDIR=debian/libghc6-$(CABAL_PACKAGE)-doc; \
	GDIR=$${DDIR}/usr/share/doc/ghc6-doc/libraries; \
	LDIR=$${DDIR}/usr/share/doc/libghc6-$(CABAL_PACKAGE)-doc/html; \
	HDIR=$${DDIR}/usr/lib/haskell-packages/ghc6/share/doc/$(CABAL_ORIGINAL)-$(CABAL_VERSION); \
	mkdir -p $${LDIR}; cp -r dist/doc/html/*/* $${LDIR}/; \
	mkdir -p $${GDIR}; ln -sf ../../libghc6-$(CABAL_PACKAGE)-doc/html $${GDIR}/$(CABAL_ORIGINAL); \
	mkdir -p $${HDIR}; ln -sf ../../../../../../share/doc/libghc6-$(CABAL_PACKAGE)-doc/html $${HDIR}/html; \
	dh_haskell_prep -plibghc6-$(CABAL_PACKAGE)-doc
	[ ! -x /usr/bin/cabal-debian ] || cabal-debian --substvar Doc
	mv dist dist-ghc6

binary-install/libhugs-$(CABAL_PACKAGE)::
	mv dist-hugs dist
	$(SETUP) copy --destdir=debian/libhugs-$(CABAL_PACKAGE)
	rm -rf debian/libhugs-$(CABAL_PACKAGE)/usr/share/doc/
	dh_haskell_prep -plibhugs-$(CABAL_PACKAGE)
	mv dist dist-hugs

DEB_COMPRESS_EXCLUDE=.haddock
include /usr/share/cdbs/1/rules/debhelper.mk