#! /usr/bin/make -f
# -*- makefile -*-
#
# Invoke each target with `./debian/rules <target>'.  All targets should be
# invoked with the package root as the current directory.
#
# The `binary' target must be run as root, as it needs to install files with
# specific ownerships.

# be paranoid
export LC_ALL=C

export DH_COMPAT=2

DEB_BUILD_ARCH := $(shell dpkg --print-architecture)
DEB_BUILD_GNU_TYPE := $(shell ./config.guess)
ifndef DEB_HOST_ARCH
  DEB_HOST_ARCH := ${DEB_BUILD_ARCH}
endif
DEB_HOST_GNU_CPU := $(patsubst hurd-%,%,$(DEB_HOST_ARCH))
ifeq ($(filter-out hurd-%,${DEB_HOST_ARCH}),)
  DEB_HOST_GNU_SYSTEM := gnu
else
# FIXME: we won't always have only Hurd and Linux
  DEB_HOST_GNU_SYSTEM := linux
endif
DEB_HOST_GNU_TYPE := ${DEB_HOST_GNU_CPU}-${DEB_HOST_GNU_SYSTEM}


# find the version for the main package, from changelog file
MAIN_VERSION = $(shell head -1 debian/changelog | cut '-d ' -f 2 | sed 's/[()]//g')
# find versions for libraries going into their own packages, from their Makefile.in's
COMERR_VERSION = $(shell grep ELF_VERSION lib/et/Makefile.in | cut '-d ' -f3)
COMERR_MAJOR = $(word 1,$(subst ., ,${COMERR_VERSION}))
SS_VERSION = $(shell grep ELF_VERSION lib/ss/Makefile.in | cut '-d ' -f3)
SS_MAJOR = $(word 1,$(subst ., ,${SS_VERSION}))
UUID_VERSION = $(shell grep ELF_VERSION lib/uuid/Makefile.in | cut '-d ' -f3)
# UUID_MAJOR = $(word 1,$(subst ., ,${UUID_VERSION}))

package=e2fsprogs

topdir=$(shell pwd)
debdir=${topdir}/debian
tmpdir=${debdir}/tmp
bfdir=${debdir}/e2fsprogs-bf
maindir=${debdir}/e2fsprogs
stdbuilddir=${debdir}/BUILD-STD
bfbuilddir=${debdir}/BUILD-BF
# docdir=${maindir}/usr/share/doc/${package}
MANDIR=/usr/share/man
mandir=${tmpdir}${MANDIR}

SUBPACKAGES_DIRS = tmp e2fslibs-dev comerr-dev ss-dev

CCOPTS = -O2 -fsigned-char
LIBC-DEV = libc6-dev

INSTALL = install
INSTALL_PROGRAM = $(INSTALL) -p -o root -g root  -m  755

ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
CCOPTS += -g -O1
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
INSTALL_PROGRAM += -s
endif

ifeq (${DEB_HOST_ARCH},alpha)
CCOPTS += -DHAVE_NETINET_IN_H
LIBC-DEV = libc6.1-dev
else
CCOPTS += -D__NO_STRING_INLINES
endif

# Try -Os
BF_CCOPTS = -Os -fomit-frame-pointer

COMMON_CONF_FLAGS =  \
                --enable-elf-shlibs --enable-dynamic-e2fsck \
                --enable-nls \
                --mandir=${MANDIR} --infodir=/usr/share/info

STD_CONF_FLAGS = --with-ccopts="${CCOPTS}" --enable-compression

BF_CONF_FLAGS = --with-ccopts="${CCOPTS} ${BF_CCOPTS}" \
	--disable-swapfs --disable-imager \
	--disable-resizer --disable-debugfs

configure-std-stamp:
	dh_testdir
	mkdir -p ${stdbuilddir}
ifeq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
	cd ${stdbuilddir} && CFLAGS="${CFLAGS}" \
		${topdir}/configure ${COMMON_CONF_FLAGS} ${STD_CONF_FLAGS}
else
	cd ${stdbuilddir} && CFLAGS="${CFLAGS}" CC="${DEB_HOST_GNU_TYPE}-gcc" \
		${topdir}/configure ${COMMON_CONF_FLAGS} ${STD_CONF_FLAGS} \
		--build=$(DEB_BUILD_GNU_TYPE) $(DEB_HOST_GNU_TYPE)
endif
	touch configure-std-stamp

configure-bf-stamp:
	dh_testdir
	mkdir -p ${bfbuilddir}
ifeq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
	cd ${bfbuilddir} && CFLAGS="${CFLAGS}" \
		${topdir}/configure ${COMMON_CONF_FLAGS} ${BF_CONF_FLAGS}
else
	cd ${bfbuilddir} && CFLAGS="${CFLAGS}" CC="${DEB_HOST_GNU_TYPE}-gcc" \
		${topdir}/configure ${COMMON_CONF_FLAGS} ${BF_CONF_FLAGS} \
		--build=$(DEB_BUILD_GNU_TYPE) $(DEB_HOST_GNU_TYPE)
endif
	touch configure-bf-stamp

build: build-std build-bf

build-std: build-std-stamp
build-std-stamp: configure-std-stamp
	dh_testdir
	make -C ${stdbuilddir} all
	( cd ${stdbuilddir}/doc && \
	  texi2html -split_chapter ${topdir}/doc/libext2fs.texinfo )
	( cd ${stdbuilddir}/lib/et && make com_err.info && \
	  texi2html -split_chapter -expandinfo ${topdir}/lib/et/com_err.texinfo )
	touch build-std-stamp

build-bf: build-bf-stamp
build-bf-stamp: configure-bf-stamp
	dh_testdir
	make -C ${bfbuilddir} all
	touch build-bf-stamp

clean:
	dh_testdir
	rm -f build-std-stamp configure-std-stamp build-bf-stamp configure-bf-stamp install
	-make -C ${stdbuilddir} -i distclean
	-make -C ${bfbuilddir} -i distclean
	rm -rf ${stdbuilddir} ${bfbuilddir}
	rm -f doc/libext2fs_*.html lib/et/com_err_*.html debian/*.substvars
	dh_clean

install: cleanup install-std install-bf

# This rule allows to factorize the dh_clean between the 2 install rules
# This must be launched before install-* (if launching them by hand, for
# exemple) or results are unpredictable
cleanup:
	dh_testdir
	dh_testroot
	dh_clean -k

install-std: DH_OPTIONS=
install-std: build
	dh_testdir
	dh_testroot
	dh_installdirs

	mkdir -p ${tmpdir}/sbin
	make -C ${stdbuilddir} install DESTDIR=${tmpdir} \
		INSTALL_PROGRAM="${INSTALL_PROGRAM}" LDCONFIG=true
  # static libs and .h files
	make -C ${stdbuilddir} install-libs DESTDIR=${tmpdir} LDCONFIG=true

  # statically-linked fsck
	${INSTALL_PROGRAM} ${stdbuilddir}/e2fsck/e2fsck.static ${tmpdir}/sbin
	ln -s e2fsck.8.gz ${mandir}/man8/e2fsck.static.8.gz

	dh_movefiles
	test -z `find ${tmpdir} -type f`

install-bf: DH_OPTIONS=
install-bf: build
	dh_testdir
	dh_testroot
	dh_installdirs

	mkdir -p ${bfdir}/sbin
	make -C ${bfbuilddir} install DESTDIR=${bfdir} \
		INSTALL_PROGRAM="${INSTALL_PROGRAM}" LDCONFIG=true
	rm -rf ${bfdir}/usr/share ${bfdir}/usr/lib
	cd ${bfdir}/sbin && rm -f e2label
	cd ${bfdir}/usr/bin && rm -f uuidgen


binary-indep: 
  # no arch-independant debs.

binary-arch: DH_OPTIONS= -a
binary-arch: install
	dh_testdir
	dh_testroot

	rm -f debian/TODO debian/README.Debian

  # symlinks to prepare dh_installdocs run
	mkdir -p ${debdir}/e2fsck-static/usr/share/doc/
	ln -sf e2fsprogs ${debdir}/e2fsck-static/usr/share/doc/e2fsck-static

	mkdir -p ${debdir}/e2fslibs-dev/usr/share/doc/e2fsprogs
	ln -sf e2fsprogs ${debdir}/e2fslibs-dev/usr/share/doc/e2fslibs-dev

	mkdir -p ${debdir}/uuid-dev/usr/share/doc/e2fsprogs
	ln -sf e2fsprogs ${debdir}/uuid-dev/usr/share/doc/uuid-dev

  # comerr and ss have their own copyright notices
	mkdir -p ${maindir}/usr/share/doc/libcomerr${COMERR_MAJOR}
	mkdir -p ${debdir}/comerr-dev/usr/share/doc/libcomerr${COMERR_MAJOR}
	ln -sf libcomerr${COMERR_MAJOR} ${debdir}/comerr-dev/usr/share/doc/comerr-dev

	mkdir -p ${maindir}/usr/share/doc/libss${SS_MAJOR}
	mkdir -p ${debdir}/ss-dev/usr/share/doc/libss${SS_MAJOR}
	ln -sf libss${SS_MAJOR} ${debdir}/ss-dev/usr/share/doc/ss-dev

	for i in libcomerr${COMERR_MAJOR} libss${SS_MAJOR}; do \
	  install -m 644 debian/$$i.copyright \
	    ${maindir}/usr/share/doc/$$i/copyright ; \
	done

	dh_installdocs

	install -m 644 debian/e2fsprogs.copyright \
	  ${bfdir}/usr/share/doc/e2fsprogs-bf/copyright

  # HTML docs
	install -d ${debdir}/e2fslibs-dev/usr/share/doc/e2fslibs-dev/html-info/
	install -p ${stdbuilddir}/doc/libext2fs_*.html \
	   ${debdir}/e2fslibs-dev/usr/share/doc/e2fslibs-dev/html-info/
	install -d ${debdir}/comerr-dev/usr/share/doc/comerr-dev/html-info/
	install -p ${stdbuilddir}/lib/et/com_err_*.html \
	   ${debdir}/comerr-dev/usr/share/doc/comerr-dev/html-info/

  # texinfo docs
	install -p ${topdir}/doc/libext2fs.texinfo \
	   ${debdir}/e2fslibs-dev/usr/share/doc/e2fslibs-dev/libext2fs.texi
	install -p ${topdir}/lib/et/com_err.texinfo \
	   ${debdir}/comerr-dev/usr/share/doc/libcomerr${COMERR_MAJOR}/com_err.texi

	dh_installexamples
	dh_installman

#	dh_installinfo -pcomerr-dev ${stdbuilddir}/lib/et/com_err.info
	dh_installinfo -pe2fslibs-dev ${stdbuilddir}/doc/libext2fs.info

	dh_undocumented

	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -pe2fsprogs-bf ChangeLog

	for i in libcomerr${COMERR_MAJOR} libss${SS_MAJOR} ; do \
	  mkdir -p ${maindir}/usr/share/doc/$$i ; \
	  ln -s ../e2fsprogs/changelog.Debian.gz ${maindir}/usr/share/doc/$$i/ ; \
	  ln -s ../e2fsprogs/changelog.gz ${maindir}/usr/share/doc/$$i/ ; \
	done

	dh_strip

	dh_link -pe2fsprogs \
	  /usr/share/man/man8/e2fsck.8.gz /usr/share/man/man8/fsck.ext2.8.gz \
	  /usr/share/man/man8/mke2fs.8.gz /usr/share/man/man8/mkfs.ext2.8.gz
	dh_link -puuid-dev \
	  /usr/share/man/man3/uuid_generate.3.gz /usr/share/man/man3/uuid_generate_random.3.gz \
	  /usr/share/man/man3/uuid_generate.3.gz /usr/share/man/man3/uuid_generate_time.3.gz

	dh_compress
	dh_fixperms

	echo "libcdev:Depends=${LIBC-DEV}" > debian/comerr-dev.substvars
	echo "libcdev:Depends=${LIBC-DEV}" > debian/ss-dev.substvars
	echo "libcdev:Depends=${LIBC-DEV}" > debian/uuid-dev.substvars
	echo "libcdev:Depends=${LIBC-DEV}" > debian/e2fslibs-dev.substvars

# We do this one by hand
#	dh_makeshlibs

	dh_installdeb
	dh_shlibdeps -l${stdbuilddir}/lib

	dh_gencontrol -Ncomerr-dev -Nss-dev -Nuuid-dev
	DH_OPTIONS= dh_gencontrol -pcomerr-dev \
	  -u '-v${COMERR_VERSION}-${MAIN_VERSION}'
	DH_OPTIONS= dh_gencontrol -pss-dev \
	  -u '-v${SS_VERSION}-${MAIN_VERSION}'
	DH_OPTIONS= dh_gencontrol -puuid-dev \
	  -u '-v${UUID_VERSION}-${MAIN_VERSION}'

	dh_md5sums
	dh_builddeb

binary: binary-indep binary-arch

.PHONY: binary binary-arch binary-indep clean checkroot