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Rebind mount? |
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On Nov 16, 2011 5:45 PM, "Allan Gottlieb" <gottlieb@×××.edu> wrote: |
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|
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> On Wed, Nov 16 2011, Allan Gottlieb wrote: |
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> |
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> > I am reinstalling gentoo on a Dell inspiron 6400 laptop |
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> > I am (again) using lvm2. |
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> > |
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> > I just built the kernel and then (following the lvm2 guide) tried |
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> > |
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> > emerge lvm2 |
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> > |
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> > This required a build of help2man, which failed with |
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> > |
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> >>>> Configuring source in |
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> /mnt/var/tmp/portage/sys-apps/help2man-1.38.2/work/help2man-1.38.2 ... |
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> > ./configure --prefix=/usr --build=x86_64-pc-linux-gnu |
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> --host=x86_64-pc-linux-gnu --mandir=/usr/share/man |
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> --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc |
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> --localstatedir=/var/lib --libdir=/usr/lib64 --enable-nls |
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> > checking for perl... perl |
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> > checking for module Locale::gettext... yes |
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> > checking for msgfmt... /usr/bin/msgfmt |
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> > checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc |
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> > checking whether the C compiler works... yes |
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> > checking for C compiler default output file name... a.out |
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> > checking for suffix of executables... |
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> > checking whether we are cross compiling... no |
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> > checking for suffix of object files... o |
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> > checking whether we are using the GNU C compiler... yes |
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> > checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes |
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> > checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none |
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> needed |
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> > checking for library containing dlsym... no |
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> > checking for library containing bindtextdomain... none required |
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> > configure: error: dlsym() required |
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> > |
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> > !!! Please attach the following file when seeking support: |
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> > !!! |
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> /mnt/var/tmp/portage/sys-apps/help2man-1.38.2/work/help2man-1.38.2/config.log |
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> |
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> I thought that instead of mounting /dev/vg/usr on /usr |
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> I would mount it at /mnt/usr and have /usr a symlink to /mnt/usr |
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> |
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> (Similarly for opt et al) |
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> |
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> This worked for a while but |
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> /usr/lib/libdl.so is a symlink to ../../lib64/libdl.so.2 |
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> and the symlink uses physical not logical interpretation of .. |
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> |
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> Hence /usr/lib/../.. is /mnt instead of / |
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> |
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> oops. |
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> |
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> allan |
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> |
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> |
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