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List:       busybox
Subject:    Re: pam link error with SHARED_BUSYBOX and LIBBUSYBOX enabled
From:       Denys Vlasenko <vda.linux () googlemail ! com>
Date:       2011-04-30 19:53:14
Message-ID: 201104302153.14885.vda.linux () googlemail ! com
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On Thursday 28 April 2011 23:49, Steve Iribarne wrote:
> I'm working with 1.15.3 (we have a release out there, so this is what 
> I'm stuck with).
> 
> I've verified that my issue is still in the latest 1.18.4 version.  Here 
> is my issue:
> 
> I have both CONFIG_FEATURE_SHARED_BUSYBOX=y and CONFIG_BUILD_LIBBUSYBOX=y.
> 
> 
> Everything was working great until I added selinux and pam.
> I started getting linker errors.
> 
> ======
> ld-linux.so.3 needed by 
> /opt/tools/cs/bin/../arm-none-linux-gnueabi/libc/lib/libc.so.6
> found ld-linux.so.3 at 
> /opt/tools/cs/bin/../arm-none-linux-gnueabi/libc/lib/ld-linux.so.3/opt/tools/cs/bin/ \
>                 ../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: \
>                 
> warning: libpam.so.0, needed by 0_lib/libbusybox.so, not found (try 
> using -rpath or -rpath-link)
> /opt/tools/cs/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: \
>                 
> warning: libpam_misc.so.0, needed by 0_lib/libbusybox.so, not found (try 
> using -rpath or -rpath-link)
> /opt/tools/cs/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: \
>                 
> warning: libselinux.so.1, needed by 0_lib/libbusybox.so, not found (try 
> using -rpath or -rpath-link)
> /opt/tools/cs/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: \
>                 
> warning: libsepol.so.1, needed by 0_lib/libbusybox.so, not found (try 
> using -rpath or -rpath-link)
> 0_lib/libbusybox.so: undefined reference to `context_role_set'
> 0_lib/libbusybox.so: undefined reference to `lsetfilecon'
> 0_lib/libbusybox.so: undefined reference to `getcon'
> 0_lib/libbusybox.so: undefined reference to `freecon'
> 0_lib/libbusybox.so: undefined reference to `pam_strerror@LIBPAM_1.0'
> 0_lib/libbusybox.so: undefined reference to `pam_set_item@LIBPAM_1.0'
> 0_lib/libbusybox.so: undefined reference to `setexeccon'
> 0_lib/libbusybox.so: undefined reference to `pam_open_session@LIBPAM_1.0'
> 0_lib/libbusybox.so: undefined reference to `context_str'
> 0_lib/libbusybox.so: undefined reference to `get_default_context'
> .......
> ========
> 
> 
> I think I have it tracked down to scripts/trylink  around line 257.
> 
> I think it needs to include the $l_list at that point.  Otherwise those 
> libs aren't included.  I can give a patch if you'd like.

Yes, please send a tested patch.

-- 
vda
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