#! /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

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 have always just 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,
# and sonames for all libs
COMERR_VERSION = $(shell grep ELF_VERSION lib/et/Makefile.in | cut '-d ' -f3)
COMERR_SOVERSION = $(shell grep ELF_SO_VERSION lib/et/Makefile.in | cut '-d ' -f3)
SS_VERSION = $(shell grep ELF_VERSION lib/ss/Makefile.in | cut '-d ' -f3)
SS_SOVERSION = $(shell grep ELF_SO_VERSION lib/ss/Makefile.in | cut '-d ' -f3)
UUID_VERSION = $(shell grep ELF_VERSION lib/uuid/Makefile.in | cut '-d ' -f3)
UUID_SOVERSION = $(shell grep ELF_SO_VERSION lib/uuid/Makefile.in | cut '-d ' -f3)
BLKID_VERSION = $(shell grep ELF_VERSION lib/blkid/Makefile.in | cut '-d ' -f3)
BLKID_SOVERSION = $(shell grep ELF_SO_VERSION lib/blkid/Makefile.in | cut '-d ' -f3)
EXT2FS_SOVERSION = $(shell grep ELF_SO_VERSION lib/ext2fs/Makefile.in | cut '-d ' -f3)
E2P_SOVERSION = $(shell grep ELF_SO_VERSION lib/e2p/Makefile.in | cut '-d ' -f3)

package=e2fsprogs

topdir=$(shell pwd)
debdir=${topdir}/debian
tmpdir=${debdir}/tmp
udebdir=${debdir}/e2fsprogs-udeb
blkidudebdir=${debdir}/libblkid1-udeb
maindir=${debdir}/e2fsprogs
stdbuilddir=${debdir}/BUILD-STD
bfbuilddir=${debdir}/BUILD-BF
mipsbuilddir=${debdir}/BUILD-MIPS
# docdir=${maindir}/usr/share/doc/${package}
MANDIR=/usr/share/man
mandir=${tmpdir}${MANDIR}

UDEB_NAME = $(package)-udeb_$(MAIN_VERSION)_$(DEB_HOST_ARCH).udeb
UDEB_PRIORITY = $(shell grep '^Package: e2fsprogs-udeb' debian/control -A 10 | grep ^Priority: | cut -d ' ' -f 2)

BLKID_UDEB_NAME = libblkid1-udeb_$(MAIN_VERSION)_$(DEB_HOST_ARCH).udeb
BLKID_UDEB_PRIORITY = $(shell grep '^Package: libblkid1-udeb' debian/control -A 10 | grep ^Priority: | cut -d ' ' -f 2)

STAMPSDIR=debian/stampdir
CFGSTDSTAMP=${STAMPSDIR}/configure-std-stamp
CFGBFSTAMP=${STAMPSDIR}/configure-bf-stamp
BUILDSTDSTAMP=${STAMPSDIR}/build-std-stamp
BUILDBFSTAMP=${STAMPSDIR}/build-bf-stamp

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

BF_CCOPTS = -Os -fomit-frame-pointer

COMMON_CONF_FLAGS =  \
                --enable-elf-shlibs --enable-dynamic-e2fsck --disable-evms \
                --infodir=/usr/share/info

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

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

MIPS_NOPIC_CONF_FLAGS = --with-ccopts="${CCOPTS}" \
	--disable-nls \
	--disable-swapfs --disable-imager \
        --disable-resizer # --disable-debugfs
# we can't use those flags at configure time
MIPS_CFLAGS= -G 0 -fno-pic -mno-abicalls

ifeq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
ifneq (,$(findstring $(DEB_BUILD_ARCH),mips mipsel))
ismips=ismips
endif
endif

${CFGSTDSTAMP}:
	dh_testdir

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

  # specially-built MIPS lib
	if [ ismips = "${ismips}" ]; then \
		mkdir -p ${mipsbuilddir} ; \
		cd ${mipsbuilddir} && \
			${topdir}/configure ${MIPS_NOPIC_CONF_FLAGS} ; \
	fi

	mkdir -p ${STAMPSDIR}
	touch ${CFGSTDSTAMP}

${CFGBFSTAMP}:
	dh_testdir
	rm -f config.cache

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

build: build-std build-bf

build-std: ${BUILDSTDSTAMP}
${BUILDSTDSTAMP}: ${CFGSTDSTAMP}
	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 )

  # specially-built MIPS lib
	if [ ismips = "${ismips}" ]; then \
		make -C ${mipsbuilddir}/util ; \
		make -C ${mipsbuilddir} libs \
			CFLAGS="${CCOPTS} ${MIPS_CFLAGS}" \
			LIB_SUBDIRS="lib/et lib/ext2fs" ; \
	fi

	touch ${BUILDSTDSTAMP}

build-bf: ${BUILDBFSTAMP}
${BUILDBFSTAMP}: ${CFGBFSTAMP}
	dh_testdir
	make -C ${bfbuilddir} libs
	make -C ${bfbuilddir}/e2fsck all
	make -C ${bfbuilddir}/misc all
	touch ${BUILDBFSTAMP}

clean:
	dh_testdir
	rm -rf ${STAMPSDIR}
	-make -C ${stdbuilddir} -i distclean
	-make -C ${bfbuilddir} -i distclean
	rm -rf ${stdbuilddir} ${bfbuilddir} ${mipsbuilddir}
	rm -f doc/libext2fs_*.html lib/et/com_err_*.html debian/*.substvars
	dh_clean

install: cleanup install-std

# 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

	ln -s et/com_err.h ${tmpdir}/usr/include

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

  # specially-built MIPS lib
	if [ ismips = "${ismips}" ]; then \
		cp ${mipsbuilddir}/lib/libext2fs.a \
			${debdir}/e2fslibs-dev/usr/lib/libext2fs-nopic.a ; \
	fi

install-udeb: DH_OPTIONS=
install-udeb: build
	dh_testdir
	dh_testroot

	make -C ${bfbuilddir} install-shlibs-libs-recursive DESTDIR=${udebdir} \
		INSTALL_PROGRAM="${INSTALL_PROGRAM}" LDCONFIG=true
	make -C ${bfbuilddir}/e2fsck install DESTDIR=${udebdir} \
		INSTALL_PROGRAM="${INSTALL_PROGRAM}" LDCONFIG=true
	make -C ${bfbuilddir}/misc install DESTDIR=${udebdir} \
		INSTALL_PROGRAM="${INSTALL_PROGRAM}" LDCONFIG=true

	rm -rf ${udebdir}/usr
	find ${udebdir}/sbin -type f -a ! -name e2fsck \
		-a ! -name mke2fs -print | xargs rm

	(cd ${udebdir}/sbin; ln -s e2fsck fsck.ext2 ; \
		ln -s e2fsck fsck.ext3 ; ln -s mke2fs mkfs.ext2 ; \
		ln -s mke2fs mkfs.ext3)

	mkdir -p ${blkidudebdir}/lib
	mv ${udebdir}/lib/libblkid.* ${blkidudebdir}/lib

binary-indep: 
  # no arch-independant debs.

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

  # lintian overrides
	for i in $$(cd debian && echo *.lintian-overrides); do \
		pkg=$${i%.lintian-overrides} ;\
		install -m644 -D -p debian/$$i ${debdir}/$${pkg}/usr/share/lintian/overrides/$${pkg} ;\
	done

  # mkinitrd script
	mkdir -p debian/e2fsprogs/etc/mkinitrd/scripts
	install -m755 debian/e2fsprogs.mkinitrd \
		debian/e2fsprogs/etc/mkinitrd/scripts/e2fsprogs

  # 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 ${debdir}/libblkid${BLKID_SOVERSION}/usr/share/doc/libblkid${BLKID_SOVERSION}
	mkdir -p ${debdir}/libblkid-dev/usr/share/doc
	ln -sf libblkid${BLKID_SOVERSION} ${debdir}/libblkid-dev/usr/share/doc/libblkid-dev

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

	mkdir -p ${debdir}/libcomerr${COMERR_SOVERSION}/usr/share/doc/libcomerr${COMERR_SOVERSION}
	mkdir -p ${debdir}/comerr-dev/usr/share/doc
	ln -sf libcomerr${COMERR_SOVERSION} ${debdir}/comerr-dev/usr/share/doc/comerr-dev

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

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

	install -m 644 debian/libblkid.copyright \
		${debdir}/libblkid${BLKID_SOVERSION}/usr/share/doc/libblkid${BLKID_SOVERSION}/copyright

	dh_installdocs -Ne2fsprogs-udeb -Nlibblkid1-udeb

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

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

	install -d ${debdir}/comerr-dev/usr/share/doc/libcomerr${COMERR_SOVERSION}/examples
	install -p -m 0644 lib/ss/ss_err.et \
		${stdbuilddir}/lib/ext2fs/ext2_err.et \
		${debdir}/comerr-dev/usr/share/doc/libcomerr${COMERR_SOVERSION}/examples
	install -d ${debdir}/ss-dev/usr/share/doc/libss${SS_SOVERSION}/examples
	install -p -m 0644 debugfs/debug_cmds.ct \
		${debdir}/ss-dev/usr/share/doc/libss${SS_SOVERSION}/examples

	install -d ${debdir}/uuid-dev/usr/share/doc/libuuid${UUID_SOVERSION}
	install -p -m 0644 doc/draft-leach-uuids-guids-01.txt \
		${debdir}/uuid-dev/usr/share/doc/libuuid${UUID_SOVERSION}

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

	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -plibblkid${BLKID_SOVERSION}
	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -plibcomerr${COMERR_SOVERSION}
	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -plibss${SS_SOVERSION}
	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -plibuuid${UUID_SOVERSION}
	DH_OPTIONS= dh_installchangelogs -pe2fsprogs -pe2fslibs

	dh_strip

	dh_compress
	dh_fixperms

	dh_makeshlibs
	dh_makeshlibs -plibcomerr${COMERR_SOVERSION} \
		-V 'libcomerr2 (>= 1.33-3)'

	dh_installdeb
	dh_shlibdeps -l${stdbuilddir}/lib
	dh_shlibdeps -pe2fsprogs -l${stdbuilddir}/lib \
		-u"-Ldebian/e2fsprogs.shlibs.local"

	dh_gencontrol -Ncomerr-dev -Nss-dev -Nuuid-dev \
		-Ne2fsprogs-udeb -Nlibblkid1-udeb
	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 -Ne2fsprogs-udeb -Nlibblkid1-udeb
	dh_builddeb -Ne2fsprogs-udeb -Nlibblkid1-udeb

	# udeb stuff
	dh_gencontrol	-pe2fsprogs-udeb -- -fdebian/files~
	dpkg-distaddfile $(UDEB_NAME) debian-installer $(UDEB_PRIORITY)
	dh_builddeb -pe2fsprogs-udeb --filename=$(UDEB_NAME)

	dh_gencontrol	-plibblkid1-udeb -- -fdebian/files~
	dpkg-distaddfile $(BLKID_UDEB_NAME) debian-installer $(BLKID_UDEB_PRIORITY)
	dh_builddeb -plibblkid1-udeb --filename=$(BLKID_UDEB_NAME)

binary: binary-indep binary-arch

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