On 02/21/2015 12:18 PM, Zac Medico wrote: > 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.
If we put the real/canonical libstdc++.so path in the DT_NEEDED section, then it will automatically work with existing soname dependency support. -- Thanks, Zac
