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). Cheers, Richard _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core