On Wed, Nov 23, 2011 at 4:47 PM, Richard Purdie <richard.pur...@linuxfoundation.org> wrote: > On Wed, 2011-11-23 at 16:39 +0000, Julian Pidancet wrote: >> On Wed, Nov 16, 2011 at 1:01 AM, Julian Pidancet >> <julian.pidan...@gmail.com> wrote: >> > This patch introduces a distro feature which enables gcc to produce >> > both 32bit and 64bit code, and enables binutils to operate on both >> > 32bit and 64bit binaries. It differs from multilib toolchains in >> > that it does not require to compile a version of the libc for each >> > architecture variant. However, the code produced for the secondary >> > architecture will not be linkable against the libc. >> > >> > v2: - Renamed the feature name from "biarch" to "multiarch". The GCC >> > installation manual claims that the mips-linux can be made a tri-arch >> > compiler (http://gcc.gnu.org/install/configure.html) >> > - For x86_64, the compiler is made bi-arch by default, so nothing >> > has to be done in particular. >> > - I analyzed the gcc/config.gcc from GCC sources and added in this >> > patch all the architectures that could be made biarch with the version >> > of gcc currently used in OE, which are powerpc, and sparc, in addition >> > to x86. mips and s390 will probably be supported in future versions of >> > gcc. For x86 and sparc, only the --enable-targets=all option is valid >> > to make this work (this option doesn't have any other side effects than >> > making the compiler bi-arch). For powerpc, I used the >> > --enable-targets=powerpc64 option (although 'all' also works). >> > >> > Note: - Untested on powerpc and sparc. But I believe it works the same >> > as with x86. >> > - gcc in meta-toolchain is also made multiarch. >> > >> >> Anybody got the time to review this ? > > Funnily enough I was just talking with Saul about this. We're going to > try and expose this to some extended testing (which we try and do for > all compiler changes). >
That's good news. In the mean-time, if there is any additional testing you'd like me to perform, feel free to ask. -- Julian _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core