debian: Allow building with util-linux-ng

If building with util-linux-ng, we will use the external libblkid and
libuuid, as well as disabling the internal fsck.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/debian/rules b/debian/rules
index 9520b02..1ba79ff 100755
--- a/debian/rules
+++ b/debian/rules
@@ -10,6 +10,13 @@
 # be paranoid
 export LC_ALL=C
 
+# Allow distro-specific behaviour
+DISTRO :=$(shell sed -ne '/DISTRIB_ID/s/.*=//p' /etc/lsb-release || echo Debian)
+SYS_BLKID_VER :=$(shell dpkg-query -W -f '${version}\n' libblkid1 | cut -b 1)
+ifeq ($(SYS_BLKID_VER),2)
+UTIL_LINUX_NG ?= yes
+endif
+
 # These are used for cross-compiling and for saving the configure script
 # from having to guess our platform (since we know it already)
 DEB_HOST_ARCH   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
@@ -26,10 +33,15 @@
 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 = $(shell grep ELF_SO_VERSION lib/ss/Makefile.in | cut '-d ' -f3)
+
+ifneq ($(UTIL_LINUX_NG),yes)
 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)
+endif
+
 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)
 
@@ -39,14 +51,17 @@
 debdir=${topdir}/debian
 tmpdir=${debdir}/tmp
 udebdir=${debdir}/e2fsprogs-udeb
+ifneq ($(UTIL_LINUX_NG),yes)
 blkidudebdir=${debdir}/libblkid1-udeb
 uuidudebdir=${debdir}/libuuid1-udeb
+endif
 libcomerrdir=${debdir}/libcomerr${COMERR_SOVERSION}
 comerrdevdir=${debdir}/comerr-dev
 libcomerrdbgdir=${debdir}/libcomerr2-dbg
 libssdir=${debdir}/libss${SS_SOVERSION}
 ssdevdir=${debdir}/ss-dev
 libssdbgdir=${debdir}/libss2-dbg
+ifneq ($(UTIL_LINUX_NG),yes)
 libblkiddir=${debdir}/libblkid${BLKID_SOVERSION}
 libblkiddevdir=${debdir}/libblkid-dev
 libblkiddbgdir=${debdir}/libblkid1-dbg
@@ -55,6 +70,7 @@
 libuuiddbgdir=${debdir}/libuuid1-dbg
 uuidruntimedir=${debdir}/uuid-runtime
 uuidruntimedbgdir=${debdir}/uuid-runtime-dbg
+endif
 libext2dir=${debdir}/e2fslibs
 libext2devdir=${debdir}/e2fslibs-dev
 libext2dbgdir=${debdir}/e2fslibs-dbg
@@ -71,13 +87,15 @@
 mandir=${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)
+UDEB_PRIORITY = $(shell grep '^Package: e2fsprogs-udeb' debian/control.in -A 10 | grep ^Priority: | cut -d ' ' -f 2)
 
+ifneq ($(UTIL_LINUX_NG),yes)
 BLKID_UDEB_NAME = libblkid1-udeb_$(MAIN_VERSION)_$(DEB_HOST_ARCH).udeb
-BLKID_UDEB_PRIORITY = $(shell grep '^Package: libblkid1-udeb' debian/control -A 10 | grep ^Priority: | cut -d ' ' -f 2)
+BLKID_UDEB_PRIORITY = $(shell grep '^Package: libblkid1-udeb' debian/control.in -A 10 | grep ^Priority: | cut -d ' ' -f 2)
 
 UUID_UDEB_NAME = libuuid1-udeb_$(MAIN_VERSION)_$(DEB_HOST_ARCH).udeb
-UUID_UDEB_PRIORITY = $(shell grep '^Package: libuuid1-udeb' debian/control -A 10 | grep ^Priority: | cut -d ' ' -f 2)
+UUID_UDEB_PRIORITY = $(shell grep '^Package: libuuid1-udeb' debian/control.in -A 10 | grep ^Priority: | cut -d ' ' -f 2)
+endif
 
 STAMPSDIR=debian/stampdir
 CFGSTDSTAMP=${STAMPSDIR}/configure-std-stamp
@@ -115,7 +133,13 @@
 BF_CCOPTS = -Os -fomit-frame-pointer
 
 COMMON_CONF_FLAGS =  \
-                --enable-elf-shlibs --infodir=/usr/share/info --enable-fsck
+                --enable-elf-shlibs --infodir=/usr/share/info
+ifeq ($(UTIL_LINUX_NG),yes)
+COMMON_CONF_FLAGS += --disable-fsck --disable-libblkid \
+			--disable-libuuid --disable-uuidd
+else
+COMMON_CONF_FLAGS += --enable-fsck
+endif
 
 STD_CONF_FLAGS = --with-ccopts="${CCOPTS}" --enable-compression
 
@@ -145,6 +169,16 @@
 endif
 endif
 
+M4_ARGS=
+ifeq ($(UTIL_LINUX_NG),yes)
+M4_ARGS+=-DUTIL_LINUX_NG
+else
+M4_ARGS+=-UUTIL_LINUX_NG
+endif
+
+debian/control: debian/control.in debian/rules
+	m4 $(M4_ARGS) < debian/control.in > $@
+
 ${CFGSTDSTAMP}:
 	dh_testdir
 
@@ -325,11 +359,13 @@
 		ln -s e2fsck fsck.ext3 ; ln -s mke2fs mkfs.ext2 ; \
 		ln -s mke2fs mkfs.ext3 ; ln -s mke2fs mkfs.ext4)
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	mkdir -p ${blkidudebdir}/lib
 	mv ${udebdir}/lib/libblkid.* ${blkidudebdir}/lib
 
 	mkdir -p ${uuidudebdir}/lib
 	mv ${udebdir}/lib/libuuid.* ${uuidudebdir}/lib
+endif
 
 binary-indep: 
   # no arch-independant debs.
@@ -358,9 +394,11 @@
 
   # symlinks to prepare dh_installdocs run
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	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
+endif
 
 	mkdir -p ${debdir}/libss${SS_SOVERSION}/usr/share/doc/libss${SS_SOVERSION}
 	mkdir -p ${debdir}/ss-dev/usr/share/doc
@@ -370,16 +408,20 @@
 	mkdir -p ${debdir}/comerr-dev/usr/share/doc
 	ln -sf libcomerr${COMERR_SOVERSION} ${debdir}/comerr-dev/usr/share/doc/comerr-dev
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	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
+endif
 
 	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
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	$(INSTALL) -p -m 0644 debian/libblkid.copyright \
 		${debdir}/libblkid${BLKID_SOVERSION}/usr/share/doc/libblkid${BLKID_SOVERSION}/copyright
+endif
 
 	dh_installdocs -Ne2fsprogs-udeb -Nlibblkid1-udeb -Nlibuuid1-udeb
 
@@ -416,11 +458,15 @@
 	dh_installinfo -pe2fslibs-dev ${stdbuilddir}/doc/libext2fs.info
 
 	DH_OPTIONS= dh_installchangelogs -pe2fsprogs \
-		-plibblkid${BLKID_SOVERSION} -plibcomerr${COMERR_SOVERSION} \
-		-plibss${SS_SOVERSION} -plibuuid${UUID_SOVERSION} \
-		-pe2fslibs -puuid-dev -puuid-runtime -pe2fsck-static \
-		-pe2fsprogs-dbg -puuid-runtime-dbg -pe2fslibs-dbg \
-		-plibcomerr2-dbg -plibss2-dbg -plibblkid1-dbg -plibuuid1-dbg
+		-plibcomerr${COMERR_SOVERSION} \
+		-plibss${SS_SOVERSION} \
+		-pe2fslibs -pe2fsck-static \
+		-pe2fsprogs-dbg -pe2fslibs-dbg \
+		-plibcomerr2-dbg -plibss2-dbg
+ifneq ($(UTIL_LINUX_NG),yes)
+	DH_OPTIONS= dh_installchangelogs -plibuuid${UUID_SOVERSION} \
+		-puuid-dev -puuid-runtime -puuid-runtime-dbg -plibuuid1-dbg
+endif
 
 	dh_fixperms
 ifneq ($(ismips),)
@@ -431,8 +477,10 @@
 
 	# debug package stuff
 	rm -rf ${udebdir}/usr
+ifneq ($(UTIL_LINUX_NG),yes)
 	rm -rf ${blkidudebdir}/usr
 	rm -rf ${uuidudebdir}/usr
+endif
 
 	mkdir -p ${debugdir}/usr/lib
 	mv ${maindir}/usr/lib/debug ${debugdir}/usr/lib
@@ -441,9 +489,11 @@
 		${debugdir}/usr/lib/debug
 	rm -rf ${e2fsckstaticdir}/usr/lib
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	mkdir -p ${uuidruntimedbgdir}/usr/lib
 	mv ${uuidruntimedir}/usr/lib/debug ${uuidruntimedbgdir}/usr/lib
 	rmdir ${uuidruntimedir}/usr/lib
+endif
 
 	mkdir -p ${libext2dbgdir}/usr/lib
 	mv ${libext2dir}/usr/lib/debug ${libext2dbgdir}/usr/lib
@@ -457,6 +507,7 @@
 	mv ${libssdir}/usr/lib/debug ${libssdbgdir}/usr/lib
 	rmdir ${libssdir}/usr/lib
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	mkdir -p ${libuuiddbgdir}/usr/lib
 	mv ${libuuiddir}/usr/lib/debug ${libuuiddbgdir}/usr/lib
 	rmdir ${libuuiddir}/usr/lib
@@ -464,10 +515,15 @@
 	mkdir -p ${libblkiddbgdir}/usr/lib
 	mv ${libblkiddir}/usr/lib/debug ${libblkiddbgdir}/usr/lib
 	rmdir ${libblkiddir}/usr/lib
+endif
 
 	# dpkg symbol handling
 ifneq (,$(findstring update-symbols,$(DEB_BUILD_OPTIONS)))
-	for i in e2fslibs libcomerr2 libss2 libblkid1 libuuid1; \
+SYMBOL_LIBS := e2fslibs libcomerr2 libss2
+ifneq ($(UTIL_LINUX_NG),yes)
+SYMBOL_LIBS += libblkid1 libuuid1
+endif
+	for i in $(SYMBOL_LIBS); \
 	do \
 		echo "Generating symbols for $$i..."; \
 		dpkg-gensymbols -p$$i -Pdebian/$$i > debian/$$i.tmp-patch; \
@@ -480,8 +536,10 @@
 	$(INSTALL) -p -m 0644 debian/e2fsprogs.copyright \
 		${debugdir}/usr/share/doc/e2fsprogs-dbg/copyright
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	$(INSTALL) -p -m 0644 debian/uuid-runtime.copyright \
 		${uuidruntimedbgdir}/usr/share/doc/uuid-runtime-dbg/copyright
+endif
 
 	$(INSTALL) -p -m 0644 debian/e2fslibs.copyright \
 		${libext2dbgdir}/usr/share/doc/e2fslibs-dbg/copyright
@@ -492,21 +550,25 @@
 	$(INSTALL) -p -m 0644 debian/libss2.copyright \
 		${libssdbgdir}/usr/share/doc/libss2-dbg/copyright
 
+ifneq ($(UTIL_LINUX_NG),yes)
 	$(INSTALL) -p -m 0644 debian/libblkid.copyright \
 		${libblkiddbgdir}/usr/share/doc/libblkid1-dbg/copyright
 
 	$(INSTALL) -p -m 0644 debian/libuuid1.copyright \
 		${libuuiddbgdir}/usr/share/doc/libuuid1-dbg/copyright
+endif
 
 	dh_compress
 
 	dh_makeshlibs -Ne2fsprogs-udeb -Nlibblkid1-udeb -Nlibuuid1-udeb
 	dh_makeshlibs -plibcomerr${COMERR_SOVERSION} \
 		-V 'libcomerr2 (>= 1.33-3)'
+ifneq ($(UTIL_LINUX_NG),yes)
 	dh_makeshlibs -plibblkid${BLKID_SOVERSION} -V 'libblkid1 (>= 1.39-1)'
 	echo "udeb: libblkid 1 libblkid1-udeb" >> \
 		debian/libblkid1/DEBIAN/shlibs
 	echo "udeb: libuuid 1 libuuid1-udeb" >> debian/libuuid1/DEBIAN/shlibs
+endif
 
 	dh_installdeb
 	dh_shlibdeps -l${stdbuilddir}/lib
@@ -521,20 +583,28 @@
 	  -u '-v${COMERR_VERSION}-${MAIN_VERSION} -VmainBinary=${MAIN_VERSION}'
 	DH_OPTIONS= dh_gencontrol -pss-dev \
 	  -u '-v${SS_VERSION}-${MAIN_VERSION} -VmainBinary=${MAIN_VERSION}'
+ifneq ($(UTIL_LINUX_NG),yes)
 	DH_OPTIONS= dh_gencontrol -puuid-dev \
 	  -u '-v${UUID_VERSION}-${MAIN_VERSION} -VmainBinary=${MAIN_VERSION}'
+endif
 	dh_gencontrol	-pe2fsprogs-udeb -- -fdebian/files~
+ifneq ($(UTIL_LINUX_NG),yes)
 	dh_gencontrol	-plibblkid1-udeb -- -fdebian/files~
 	dh_gencontrol	-plibuuid1-udeb -- -fdebian/files~
+endif
 
 	dpkg-distaddfile $(UDEB_NAME) debian-installer $(UDEB_PRIORITY)
+ifneq ($(UTIL_LINUX_NG),yes)
 	dpkg-distaddfile $(BLKID_UDEB_NAME) debian-installer $(BLKID_UDEB_PRIORITY)
 	dpkg-distaddfile $(UUID_UDEB_NAME) debian-installer $(UUID_UDEB_PRIORITY)
+endif
 	dh_md5sums -Ne2fsprogs-udeb -Nlibblkid1-udeb -Nlibuuid1-udeb
 	dh_builddeb -Ne2fsprogs-udeb -Nlibblkid1-udeb -Nlibuuid1-udeb
 	dh_builddeb -pe2fsprogs-udeb --filename=$(UDEB_NAME)
+ifneq ($(UTIL_LINUX_NG),yes)
 	dh_builddeb -plibblkid1-udeb --filename=$(BLKID_UDEB_NAME)
 	dh_builddeb -plibuuid1-udeb --filename=$(UUID_UDEB_NAME)
+endif
 
 binary: binary-indep binary-arch