Fix dmraid building with LVM/device-mapper

dmraid is entirely broken if you try to use the system static
LVM/device-mapper. Instead, always build our own LVM2 for the initramfs,
using DESTDIR for cleaner install. Dead code paths for old LVM2 build
not removed yet until more users have tested.

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>

ChangeLog

@@ -5,6 +5,13 @@
 # Distributed under the GPL v2
 # $Id$
 
+  14 Feb 2012; Robin H. Johnson <robbat2@gentoo.org> gen_compile.sh,
+  gen_initramfs.sh:
+  dmraid is entirely broken if you try to use the system static
+  LVM/device-mapper. Instead start always building LVM2 for the initramfs,
+  using DESTDIR for cleaner install. Dead code paths for old LVM2 build not
+  removed yet until more users have tested.
+
   12 Feb 2012; Robin H. Johnson <robbat2@gentoo.org> gen_compile.sh:
   More UTILS_CROSS_COMPILE prefix on strip calls.
 

gen_compile.sh

@@ -406,7 +406,7 @@ compile_busybox() {
 		/bin/tar -jxpf ${BUSYBOX_SRCTAR} ||
 			gen_die 'Could not extract busybox source tarball!'
 		[ -d "${BUSYBOX_DIR}" ] ||
-			gen_die 'Busybox directory ${BUSYBOX_DIR} is invalid!'
+			gen_die "Busybox directory ${BUSYBOX_DIR} is invalid!"
 		cp "${BUSYBOX_CONFIG}" "${BUSYBOX_DIR}/.config"
 		cp "${BUSYBOX_CONFIG}" "${BUSYBOX_DIR}/.config.gk_orig"
 		cd "${BUSYBOX_DIR}"
@@ -441,19 +441,20 @@ compile_lvm() {
 		/bin/tar -zxpf ${LVM_SRCTAR} ||
 			gen_die 'Could not extract LVM source tarball!'
 		[ -d "${LVM_DIR}" ] ||
-			gen_die 'LVM directory ${LVM_DIR} is invalid!'
+			gen_die "LVM directory ${LVM_DIR} is invalid!"
 		cd "${LVM_DIR}"
 		apply_patches lvm ${LVM_VER}
 		print_info 1 'lvm: >> Configuring...'
 			CFLAGS="-fPIC" \
-			./configure --enable-static_link --prefix=${TEMP}/lvm \
+			./configure --enable-static_link --prefix=/ \
 				--with-lvm1=internal --with-clvmd=none --with-cluster=none \
 				--disable-readline --disable-selinux --with-mirrors=internal \
-				--with-snapshots=internal --with-pool=internal >> ${LOGFILE} 2>&1 || \
+				--with-snapshots=internal --with-pool=internal \
+				>> ${LOGFILE} 2>&1 || \
 				gen_die 'Configure of lvm failed!'
 		print_info 1 'lvm: >> Compiling...'
 		compile_generic '' utils
-			compile_generic 'install' utils
+		compile_generic "install DESTDIR=${TEMP}/lvm/" utils
 
 		cd "${TEMP}/lvm"
 		print_info 1 '      >> Copying to bincache...'
@@ -462,11 +463,11 @@ compile_lvm() {
 		# See bug 382555
 		${UTILS_CROSS_COMPILE}strip "sbin/dmsetup.static" ||
 			gen_die 'Could not strip dmsetup.static'
-		/bin/tar -cjf "${LVM_BINCACHE}" sbin/lvm.static sbin/dmsetup.static ||
+		/bin/tar -cjf "${LVM_BINCACHE}" . ||
 			gen_die 'Could not create binary cache'
 
 		cd "${TEMP}"
-		rm -rf "${TEMP}/device-mapper" > /dev/null
+		rm -rf "${TEMP}/lvm" > /dev/null
 		rm -rf "${LVM_DIR}" lvm
 	fi
 }
@@ -483,7 +484,7 @@ compile_mdadm() {
 		/bin/tar -jxpf "${MDADM_SRCTAR}" ||
 			gen_die 'Could not extract MDADM source tarball!'
 		[ -d "${MDADM_DIR}" ] ||
-			gen_die 'MDADM directory ${MDADM_DIR} is invalid!'
+			gen_die "MDADM directory ${MDADM_DIR} is invalid!"
 
 		cd "${MDADM_DIR}"
 		apply_patches mdadm ${MDADM_VER}
@@ -521,24 +522,26 @@ compile_dmraid() {
 		/bin/tar -jxpf ${DMRAID_SRCTAR} ||
 			gen_die 'Could not extract DMRAID source tarball!'
 		[ -d "${DMRAID_DIR}" ] ||
-			gen_die 'DMRAID directory ${DMRAID_DIR} is invalid!'
-		rm -rf "${TEMP}/device-mapper" > /dev/null
-		/bin/tar -jxpf "${DEVICE_MAPPER_BINCACHE}" -C "${TEMP}" ||
-			gen_die "Could not extract device-mapper binary cache!";
+			gen_die "DMRAID directory ${DMRAID_DIR} is invalid!"
+		rm -rf "${TEMP}/lvm" > /dev/null
+		mkdir -p "${TEMP}/lvm"
+		/bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/lvm" ||
+			gen_die "Could not extract LVM2 binary cache!";
 
 		cd "${DMRAID_DIR}"
 		apply_patches dmraid ${DMRAID_VER}
 		print_info 1 'dmraid: >> Configuring...'
 
-		LDFLAGS="-L${TEMP}/device-mapper/lib" \
-		CFLAGS="-I${TEMP}/device-mapper/include" \
-		CPPFLAGS="-I${TEMP}/device-mapper/include" \
+		LDFLAGS="-L${TEMP}/lvm/lib" \
+		CFLAGS="-I${TEMP}/lvm/include" \
+		CPPFLAGS="-I${TEMP}/lvm/include" \
+		LIBS="-ldevmapper" \
 		./configure --enable-static_link --prefix=${TEMP}/dmraid >> ${LOGFILE} 2>&1 ||
 			gen_die 'Configure of dmraid failed!'
 
 		# We dont necessarily have selinux installed yet... look into
 		# selinux global support in the future.
-		sed -i tools/Makefile -e "s|DMRAIDLIBS += -lselinux||g"
+		sed -i tools/Makefile -e "/DMRAID_LIBS +=/s|-lselinux||g"
 		###echo "DMRAIDLIBS += -lselinux -lsepol" >> tools/Makefile
 		mkdir -p "${TEMP}/dmraid"
 		print_info 1 'dmraid: >> Compiling...'
@@ -553,7 +556,7 @@ compile_dmraid() {
 			gen_die 'Could not create binary cache'
 
 		cd "${TEMP}"
-		rm -rf "${TEMP}/device-mapper" > /dev/null
+		rm -rf "${TEMP}/lvm" > /dev/null
 		rm -rf "${DMRAID_DIR}" dmraid
 	fi
 }

gen_initramfs.sh

@@ -235,7 +235,7 @@ append_lvm(){
 	cd ${TEMP}
 	mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
 	mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
-	if [ -e '/sbin/lvm.static' ]
+	if false && [ -e '/sbin/lvm.static' ]
 	then
 		print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm.static)...'
 		cp /sbin/lvm.static "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
@@ -245,7 +245,7 @@ append_lvm(){
 		then
 			cp /sbin/dmsetup.static "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 		fi
-	elif [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
+	elif false && [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
 	then
 		print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm)...'
 		cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
@@ -265,6 +265,7 @@ append_lvm(){
 		# See bug 382555
 		mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
 			gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
+		rm -rf  ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
 	fi
 	if [ -x /sbin/lvm ]
 	then