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 ? _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core