#!/usr/bin/make -f
# -*- makefile -*-
# Sample debian/rules that uses debhelper.
# This file was originally written by Joey Hess and Craig Small.
# As a special exception, when this file is copied by dh-make into a
# dh-make output file, you may use that output file without restriction.
# This special exception was added by Craig Small in version 0.37 of dh-make.

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# These are used for cross-compiling and for saving the configure script
# from having to guess our platform (since we know it already)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_HOST_ARCH       ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_ARCH_OS    ?= $(shell dpkg-architecture -qDEB_HOST_GNU_OS)
DEB_HOST_MULTIARCH  ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

CFLAGS = `dpkg-buildflags --get CFLAGS` `dpkg-buildflags --get CPPFLAGS` -Wall -D_REENTRANT
LDFLAGS = `dpkg-buildflags --get LDFLAGS`

# binutils doesn't supply the prefixed version normally like GCC does so
# we can't just unconditionally use DEB_HOST_GNU_TYPE-ar
ifeq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
	AR=ar
else
	AR=$(DEB_HOST_GNU_TYPE)-ar
endif

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
	CFLAGS += -O0
else
	CFLAGS += -O3
endif

ifeq (,$(filter stage1,$(DEB_BUILD_PROFILES)))

32-ARCHS=amd64 ppc64 kfreebsd-amd64 s390x
64-ARCHS=s390 sparc i386 powerpc mips mipsel

ifneq (,$(findstring $(DEB_HOST_ARCH), $(32-ARCHS)))
EXTRA_INSTALL=install32
EXTRA_BUILD=build32-stamp
# s390x fails at compatibility.
ifneq (,$(findstring $(DEB_HOST_ARCH), s390x))
m32=-m31
else
m32=-m32
endif
endif

ifneq (,$(findstring s390x, $(DEB_HOST_ARCH)))
else
ifneq (,$(findstring $(DEB_HOST_ARCH), $(64-ARCHS)))
EXTRA_INSTALL=install64
EXTRA_BUILD=build64-stamp
# MIPS doesn't use -m64
ifneq (,$(findstring $(DEB_HOST_ARCH), mips mipsel))
m64=-mabi=64
else
m64=-m64
endif
endif
endif

N32-ARCHS=mips mipsel
ifneq (,$(findstring $(DEB_HOST_ARCH), $(N32-ARCHS)))
EXTRA_INSTALL+=installn32
EXTRA_BUILD+=buildn32-stamp
mn32=-mabi=n32
endif

endif # !stage1

UNALIGNED_ARCHS=i386 amd64 kfreebsd-i386 kfreebsd-amd64 hurd-i386 lpia
ifneq (,$(findstring $(DEB_HOST_ARCH), $(UNALIGNED_ARCHS)))
CFLAGS+=-DUNALIGNED_OK
endif

COPYLIST=*.h *.c *.in zlib.map configure zlib.3 test

configure-stamp: configure
	dh_testdir

	if [ ! -f Makefile.stash ]; then cp Makefile Makefile.stash ; fi

	AR=$(AR) CC="$(DEB_HOST_GNU_TYPE)-gcc" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" uname=GNU ./configure --shared --prefix=/usr --libdir=\$${prefix}/lib/$(DEB_HOST_MULTIARCH)

	touch $@

configure64-stamp: configure
	dh_testdir

	mkdir -p debian/64
	cp -r $(COPYLIST) debian/64
	cd debian/64 && AR=$(AR) CC="$(DEB_HOST_GNU_TYPE)-gcc $(m64)" \
	    CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
	    uname=GNU ./configure --shared --prefix=/usr  --libdir=\$${prefix}/usr/lib64
	touch $@

configure32-stamp: configure
	dh_testdir

	mkdir -p debian/32
	cp -r $(COPYLIST) debian/32
	cd debian/32 && AR=$(AR) CC="$(DEB_HOST_GNU_TYPE)-gcc $(m32)" \
	    CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
	    uname=GNU ./configure --shared --prefix=/usr --libdir=\$${prefix}/usr/lib32
	touch $@

configuren32-stamp: configure
	dh_testdir

	mkdir -p debian/n32
	cp -r $(COPYLIST) debian/n32
	cd debian/n32 && AR=$(AR) CC="$(DEB_HOST_GNU_TYPE)-gcc $(mn32)" \
	    CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
	    uname=GNU ./configure --shared --prefix=/usr --libdir=\$${prefix}/usr/lib32
	touch $@

build: build-stamp $(EXTRA_BUILD)
build-stamp: configure-stamp
	dh_testdir

	$(MAKE)
	-$(MAKE) test

	touch $@

build64-stamp: configure64-stamp
	dh_testdir
	make -C debian/64
	touch $@

build32-stamp: configure32-stamp
	dh_testdir
	make -C debian/32
	touch $@

buildn32-stamp: configuren32-stamp
	dh_testdir
	make -C debian/n32
	touch $@

clean:
	dh_testdir
	dh_testroot

	$(MAKE) distclean

	rm -f build-stamp configure-stamp foo.gz 
	rm -rf debian/64 build64-stamp configure64-stamp
	rm -rf debian/32 build32-stamp configure32-stamp
	rm -rf debian/n32 buildn32-stamp configuren32-stamp
	-mv Makefile.stash Makefile
	-mv zlibdefs.h.stash zlibdefs.h

	dh_clean 

install: build
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs

	$(MAKE) prefix=$(CURDIR)/debian/tmp/usr install

	install -d debian/tmp/lib/$(DEB_HOST_MULTIARCH)
	mv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/libz.so.* debian/tmp/lib/$(DEB_HOST_MULTIARCH)
	ln -sf /lib/$(DEB_HOST_MULTIARCH)/$$(readlink debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/libz.so) debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/libz.so

install64: install build64-stamp
	$(MAKE) -C debian/64 prefix=$(CURDIR)/debian/tmp install

install32: install build32-stamp
	$(MAKE) -C debian/32 prefix=$(CURDIR)/debian/tmp install

installn32: install buildn32-stamp
	$(MAKE) -C debian/n32 prefix=$(CURDIR)/debian/tmp install

# Build architecture-independent files here.
binary-indep: build install
# We have nothing to do by default.

# Build architecture-dependent files here.
binary-arch: build install $(EXTRA_INSTALL)
	dh_testdir
	dh_testroot
	dh_installchangelogs -s ChangeLog
	dh_installdocs -s
	dh_installexamples -s
	dh_install -s --sourcedir=debian/tmp
	dh_installman -s
	dh_lintian -s
	dh_link -s
	dh_strip -s --dbg-package=zlib1g-dbg
	dh_compress -s
	dh_fixperms -s
	dh_makeshlibs -pzlib1g -V"zlib1g (>= 1:1.2.3.3.dfsg-1)" --add-udeb=zlib1g-udeb
ifeq (,$(filter stage1,$(DEB_BUILD_PROFILES)))
ifneq (,$(findstring $(DEB_HOST_ARCH), $(32-ARCHS)))
	dh_makeshlibs -plib32z1 -V"lib32z1 (>= 1:1.2.3.3.dfsg-1)"
endif
ifneq (,$(findstring $(DEB_HOST_ARCH), $(64-ARCHS)))
	dh_makeshlibs -plib64z1 -V"lib64z1 (>= 1:1.2.3.3.dfsg-1)"
endif
ifneq (,$(findstring $(DEB_HOST_ARCH), $(N32-ARCHS)))
	dh_makeshlibs -plibn32z1 -V"libn32z1 (>= 1:1.2.3.3.dfsg-1)"
endif
endif
	dh_installdeb -s
	dh_shlibdeps -s
	dh_gencontrol -s
	dh_md5sums -s
	dh_builddeb -s

binary: binary-indep binary-arch
.PHONY: build clean binary-indep binary-arch binary install install64 install32