On Jan 12, 2007, at 6:53 PM, Jack Howarth wrote: > I'm still unclear how we can leverage the architecture Shlibs > field for the multilib build of the gcc42 package. The standard > multilib installation for gcc is to have the shared libs installed > for the default architecture (32-bit for Darwin) in lib/gcc4.2/lib > and the secondary multilib (64-bit) libraries in a ppc64 or > x64_64 subdirectory (at least I am assuming that Macintel uses > the x64_64 subdirectory name). > The problem as I see it is that we need to expand the explicit > list of shared libs to include the 64-bit ones in either ppc64 > or x64_64 subdirectories. This would require some mechanism to > dynamically change the pathname in the Shlibs entries or some > case mechanism that would allow a different list to be used > for each architecture. > Jack >
Dear Jack, The Shlibs entries simply record some data about libraries which the package installs. So, if your package installs a 32-bit library /sw/ lib/gcc4.2/lib/libgcc.1.dylib then the Shlibs entry for this would be %p/lib/gcc4.2/lib/libgcc.1.dylib 1.0.0 %n (>= 4.2) 32 (where 1.0.0 is the compatibility version and 4.2 is the package version). If in addition the package installs a 64-bit library /sw/ lib/gcc4.2/lib/x86_64/libgcc.1.dylib on intel and /sw/lib/gcc4.2/lib/ ppc64/libgcc.1.dylib on powerpc, then the package should declare "Type: -64bit" and the Shlibs entry for this one would be %p/lib/gcc4.2/%lib/libgcc.1.dylib 1.0.0 %n (>= 4.2) 64 This one uses the new Fink abbreviation "%lib", which stands for "lib/ ppc64" on powerpc and "lib/x86_64" on intel, but only if "Type: -64bit" is declared. Finally, if (as is the case, according to jfm's analysis of your package) some of the libraries installed by your package are "fat" 32-64 bit libraries, they get stored in the same directory as the 32 bit libraries and their Shlibs entry ends in 32-64. Hope this clarifies things. -- Dave ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Fink-devel mailing list Fink-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/fink-devel
