Re: [gentoo-portage-dev] Pre RFC on RFC: Add compiler information to exported a Package Manger's Cached Information.

[Zac Medico]

On 02/21/2015 08:14 AM, Anthony G. Basile wrote:
> Finally, a limitation of the above should be noted.  Since the
> CFLAGS/CXXFLAGS cached are only those supplied by the user, it does not
> cover situations where the package build system or ebuild supply their
> own -std= flag.  Since this information cannot and should not be cached
> by the package manager, utilities used to find any mismatches in C++ ABI
> must provide for this intelligence.

I wonder if it's feasible to force the -rpath option when using the
-std= flag, and force the real/canonical libstc++.so path into the
rpath. There's some mention of -rpath here:

http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html#AEN95

Have the -rpath information in the binaries should make it easy to
correctly resolve the library dependencies.
-- 
Thanks,
Zac