Created attachment 368680 [details] /var/tmp/portage/sci-libs/netcdf-cxx-4.2-r300/temp/build.log 'emerge @preserved-rebuild' fails with: ... >>> Installing (8 of 23) sci-libs/netcdf-cxx-4.2-r300 * This package will overwrite one or more files that may belong to other * packages (see list below). You can use a command such as `portageq * owners / <filename>` to identify the installed package that owns a * file. If portageq reports that only one package owns a file then do * NOT file a bug report. A bug report is only useful if it identifies at * least two or more packages that are known to install the same file(s). * If a collision occurs and you can not explain where the file came from * then you should simply ignore the collision since there is not enough * information to determine if a real problem exists. Please do NOT file * a bug report at http://bugs.gentoo.org unless you report exactly which * two packages install the same file(s). See * http://wiki.gentoo.org/wiki/Knowledge_Base:Blockers for tips on how to * solve the problem. And once again, please do NOT file a bug report * unless you have completely understood the above message. * * Detected file collision(s): * * /usr/lib64/libnetcdf_c++.so.4 * * Searching all installed packages for file collisions... * * Press Ctrl-C to Stop * * sci-libs/netcdf-4.3.0:0::gentoo * /usr/lib64/libnetcdf_c++.so.4 * * Package 'sci-libs/netcdf-cxx-4.2-r300' NOT merged due to file * collisions. If necessary, refer to your elog messages for the whole * content of the above message. >>> Failed to install sci-libs/netcdf-cxx-4.2-r300, Log file:
I will check that.
Which USE do you have set for sci-libs/netcdf? It is unreproducible here.