At 02/18/2011 04:46 PM, Jiri Denemark Write: > On Fri, Feb 18, 2011 at 16:21:20 +0800, Osier Yang wrote: >> ä 2011å02æ18æ 11:00, Wen Congyang åé: >>> +DEVMAPPER_CFLAGS= >>> +DEVMAPPER_LIBS= >>> +PKG_CHECK_MODULES([DEVMAPPER], [devmapper>= $DEVMAPPER_REQUIRED], [], [DEVMAPPER_FOUND=no]) >>> +if test "$DEVMAPPER_FOUND" = "no"; then >>> + # devmapper is missing pkg-config files in ubuntu, suse, etc >>> + save_LIBS="$LIBS" >>> + save_CFLAGS="$CFLAGS" >>> + DEVMAPPER_FOUND=yes >>> + AC_CHECK_HEADER([libdevmapper.h],,[DEVMAPPER_FOUND=no]) >>> + AC_CHECK_LIB([devmapper], [dm_task_run],,[DEVMAPPER_FOUND=no]) >>> + DEVMAPPER_LIBS="-ldevmapper" >>> + LIBS="$save_LIBS" >>> + CFLAGS="$save_CFLAGS" >>> +fi >>> +if test "$DEVMAPPER_FOUND" = "no" ; then >>> + AC_MSG_ERROR([You must install device-mapper-devel/libdevmapper>= $DEVMAPPER_REQUIRED to compile libvirt]) >>> fi >>> AC_SUBST([DEVMAPPER_CFLAGS]) >>> AC_SUBST([DEVMAPPER_LIBS]) >> >> Thanks for the fix, actually It can be reproduced simply by: >> % ./autogen.sh --with-storage-mpath=no >> % make >> >> As src/util/util.c invokes "dm_is_dm_major". > > Yes it does, but I'm not convinced this is the right approach to fix it. Why > should libvirt always require device-mapper libraries? It only needs it for > disk and mpath storage drivers so if neither of them is built, we shouldn't > check for the library and we shouldn't call dm_is_dm_major. Yes, you are right. I will update this patch next week. > > NACK to the current patch. > > Jirka > -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list