Ciao Claudio, On 13/02/15 14:30, Claudio Fontana wrote: > Hello Andre, > > On 13.02.2015 11:39, Andre Przywara wrote: >> Hi, >> >> as I found it increasingly inconvenient to use kvmtool[1] as part of a >> Linux repository, I decided to give it a go and make it a stand-alone >> project. So I filtered all the respective commits, adjusted the paths in >> there (while keeping authorship and commit date, of course) and then >> added the missing bits to let it compile without a kernel tree nearby. >> The result is now available on: >> >> git://linux-arm.org/kvmtool.git >> http://linux-arm.org/kvmtool.git > > It builds fine on x86_64, but when I tried to crosscompile from x86_64 to AArch64, > I get in trouble because of libfdt: I have the aarch64 libs (static and shared), but how do I instruct the build system to get it from the right place? You have to install them into your cross-compiler's SYSROOT. Get the location of that by executing $ ${CROSS_COMPILE}gcc -print-sysroot. If it's just for libfdt, it's probably the easiest to copy them manually, the header files into $SYSROOT/usr/include, the libraries into $SYSROOT/usr/lib/aarch64-linux-gnu That fixed it for me ;-) For a more robust approach you would use your distribution's packaging system to install the aarch64 package into $SYSROOT. Cheers, Andre. > >> >> You can simply check it out, type make and use "./lkvm run" for a quick >> test. So far I briefly tested x86-64, arm and arm64, the later two were >> also cross-compiled. For sure there are rough edges in there (for >> instance copying a few non-uapi header files into), but I deem it worthy >> enough to get some public comments. >> For me that also fixed some nasty warnings about libfdt, which now are >> gone due it using your system library version of it. >> I also managed to get rid of the libc-i386-dev dependency when compiling >> for x86-64, but that still needs to be cleaned up and thus is not in the >> current HEAD. >> I haven't got around to compile-test the other supported architectures, >> but supporting them should be as easy as copying over the uapi kvm.h >> header file (see the respective ARM commit). Contributions (and tests!) >> are welcome. >> >> Please give it a go and tell me what you think. I don't want to fork the >> project, so I am happy if someone "official" picks it up. >> >> Cheers, >> Andre. >> >> [1] https://github.com/penberg/linux-kvm/tree/master/tools/kvm >> _______________________________________________ >> kvmarm mailing list >> kvmarm@xxxxxxxxxxxxxxxxxxxxx >> https://lists.cs.columbia.edu/mailman/listinfo/kvmarm >> > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
