#!/usr/bin/make -f

ARCHITECTURE := $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

CFLAGS = -Wall -g

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
	CFLAGS += -O0
else
	CFLAGS += -O2
endif

CONFFLAGS := --host=$(DEB_HOST_GNU_TYPE) --build=$(DEB_BUILD_GNU_TYPE) --prefix=/usr --mandir=\$${prefix}/share/man --infodir=\$${prefix}/share/info --enable-shared --enable-mpi --enable-threads 

ifeq ($(ARCHITECTURE), i386)
  ARCHCONFFLAGS := --enable-i386-hacks
endif

build: build-arch build-indep

build-arch: build-arch-stamp
build-arch-stamp:
	dh_testdir
	# single precision
	CFLAGS="$(CFLAGS)" ./configure $(CONFFLAGS) --enable-float --enable-type-prefix $(ARCHCONFFLAGS)
	$(MAKE)
	#$(MAKE) -C tests check
	./tests/fftw_test  -t -e -v -p 1024 -x 1
	./tests/rfftw_test -t -e -v -p 1024 -x 1
	$(MAKE) install DESTDIR=`pwd`/debian/tmp-single
	$(MAKE) clean
	# double precision
	CFLAGS="$(CFLAGS)" ./configure $(CONFFLAGS) $(ARCHCONFFLAGS)
	$(MAKE)
	#$(MAKE) -C tests check
	./tests/fftw_test  -t -e -v -p 1024 -x 1
	./tests/rfftw_test -t -e -v -p 1024 -x 1
	$(MAKE) install DESTDIR=`pwd`/debian/tmp-double
	touch build-arch-stamp

build-indep: build-indep-stamp
build-indep-stamp:
	# docs
	$(MAKE) -C doc
	$(MAKE) -C doc html 
	$(MAKE) -C FAQ 
	touch build-indep-stamp

clean:
	dh_testdir
	dh_testroot
	rm -f build-arch-stamp build-indep-stamp
	# Add here commands to clean up after the build process.
	-$(MAKE) -k distclean
	-$(MAKE) -C doc clean-local
	-$(MAKE) -C FAQ clean 
ifneq "$(wildcard /usr/share/misc/config.sub)" ""
	cp -f /usr/share/misc/config.sub config.sub
endif
ifneq "$(wildcard /usr/share/misc/config.guess)" ""
	cp -f /usr/share/misc/config.guess config.guess
endif
	rm -rf $(CURDIR)/debian/tmp-*
	dh_clean 

install: install-indep install-arch
install-indep:
	dh_testdir
	dh_testroot
	dh_clean -k -i
	dh_installdirs -i
	dh_install -p fftw-docs FAQ/fftw-faq.html/*.html usr/share/doc/fftw-docs/FAQ
	dh_install -p fftw-docs doc/*.{html,gif} usr/share/doc/fftw-docs/html
	dh_install -p fftw-docs debian/mpi/Makefile mpi/{TOMS_transpose.h,fftw_mpi_test.c,rfftw_mpi_test.c,sched.h,test_sched.c,test_transpose_mpi.c} usr/share/doc/fftw-docs/examples/mpi
	dh_install -p fftw-docs debian/tests/Makefile fftw/{config.h,fftw-int.h} tests/{README,fftw_test.c,rfftw_test.c,test_main.c,test_main.h} usr/share/doc/fftw-docs/examples/tests
	dh_install -p fftw-docs debian/threads/Makefile threads/{fftw_threads-int.h,fftw_threads_test.c,rfftw_threads_test.c} usr/share/doc/fftw-docs/examples/threads

install-arch:
	dh_testdir
	dh_testroot
	dh_clean -k -s
	dh_installdirs -s
	dh_install --sourcedir=$(CURDIR)/debian/tmp-single -p sfftw2
	dh_install --sourcedir=$(CURDIR)/debian/tmp-single -p sfftw-dev
	dh_install --sourcedir=$(CURDIR)/debian/tmp-double -p fftw2
	dh_install --sourcedir=$(CURDIR)/debian/tmp-double -p fftw-dev
	dh_install -p sfftw-dev fortran/fftw_f77.i usr/share/doc/sfftw-dev/fortran
	dh_install -p fftw-dev fortran/fftw_f77.i usr/share/doc/fftw-dev/fortran

binary-common:
	dh_testdir
	dh_testroot
	dh_installchangelogs ChangeLog
	dh_installdocs
	dh_installexamples
	dh_installman
	dh_installinfo
	dh_link
	dh_strip
	dh_compress -X.c -X.h -XMakefile
	dh_fixperms
	dh_makeshlibs
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

binary-indep: build-indep install-indep
	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-common

binary-arch: build-arch install-arch
	$(MAKE) -f debian/rules DH_OPTIONS=-a binary-common

binary: binary-arch binary-indep
.PHONY: build clean binary-indep binary-arch binary install install-indep install-arch
