Indeed, if I give the architecture instead of the cpu it works. But why I can't give the cpu? I know that my cpu is an arm6 so I don't see why I should only give the architecture. On Tue, 15 Mar 2016 14:13:57 +0100 Christophe Lyon <christophe.lyon@xxxxxx> wrote: > On 15/03/2016 12:57, YuGiOhJCJ Mailing-List wrote: > > Hello, > > > > I try to build a cross-compiler for a Raspberry Pi. > > > > Information about my target machine: > > # uname -a > > Linux slackware 4.1.19+ #852 Mon Mar 7 14:35:56 GMT 2016 armv6l BCM2708 GNU/Linux > > # cat /proc/cpuinfo > > processor : 0 > > model name : ARMv6-compatible processor rev 7 (v6l) > > BogoMIPS : 2.00 > > Features : half thumb fastmult vfp edsp java tls > > CPU implementer : 0x41 > > CPU architecture: 7 > > CPU variant : 0x0 > > CPU part : 0xb76 > > CPU revision : 7 > > > > Hardware : BCM2708 > > Revision : 000e > > Serial : 000000005035c7ce > > # ./config.guess > > armv6l-unknown-linux-gnueabihf > > > > That's how I build gcc: > > $ ../gcc-5.3.0/configure --prefix=/usr --target=armv6l-unknown-linux-gnueabihf --with-cpu=arm6 --with-fpu=vfp --with-float=hard --enable-languages=c --with-newlib --without-headers --disable-shared --disable-nls --disable-libssp > > The problem is --with-cpu=arm6 > You may mean --with-arch=armv6 > > > > $ make > > [...] > > checking for armv6l-unknown-linux-gnueabihf-gcc... /tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/./gcc/xgcc -B/tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/./gcc/ -B/usr/armv6l-unknown-linux-gnueabihf/bin/ -B/usr/armv6l-unknown-linux-gnueabihf/lib/ -isystem /usr/armv6l-unknown-linux-gnueabihf/include -isystem /usr/armv6l-unknown-linux-gnueabihf/sys-include > > checking for suffix of object files... configure: error: in `/tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/armv6l-unknown-linux-gnueabihf/libgcc': > > configure: error: cannot compute suffix of object files: cannot compile > > See `config.log' for more details. > > make[1]: *** [configure-target-libgcc] Error 1 > > make[1]: Leaving directory `/tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp' > > make: *** [all] Error 2 > > > > As I have an error, I check the config.log file present in the /tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/armv6l-unknown-linux-gnueabihf/libgcc directory: > > $ cat /tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/armv6l-unknown-linux-gnueabihf/libgcc/config.log > > [...] > > configure:3467: $? = 1 > > configure:3655: checking for suffix of object files > > configure:3677: /tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/./gcc/xgcc -B/tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/./gcc/ -B/usr/armv6l-unknown-linux-gnueabihf/bin/ -B/usr/armv6l-unknown-linux-gnueabihf/lib/ -isystem /usr/armv6l-unknown-linux-gnueabihf/include -isystem /usr/armv6l-unknown-linux-gnueabihf/sys-include -c -g -O2 conftest.c >&5 > > /tmp/cci9sNiO.s: Assembler messages: > > /tmp/cci9sNiO.s:34: Error: selected processor does not support `bx lr' in ARM mode > > configure:3681: $? = 1 > > configure: failed program was: > > | /* confdefs.h */ > > | #define PACKAGE_NAME "GNU C Runtime Library" > > | #define PACKAGE_TARNAME "libgcc" > > | #define PACKAGE_VERSION "1.0" > > | #define PACKAGE_STRING "GNU C Runtime Library 1.0" > > | #define PACKAGE_BUGREPORT "" > > | #define PACKAGE_URL "http://www.gnu.org/software/libgcc/"; > > | /* end confdefs.h. */ > > | > > | int > > | main () > > | { > > | > > | ; > > | return 0; > > | } > > configure:3695: error: in `/tmp/build/armv6l-unknown-linux-gnueabihf/gcc-5.3.0-tmp/armv6l-unknown-linux-gnueabihf/libgcc': > > configure:3698: error: cannot compute suffix of object files: cannot compile > > See `config.log' for more details. > > [...] > > > > As you can see, I have an error: > > Error: selected processor does not support `bx lr' in ARM mode > > > > Any help? > > > > Thank you. > > Best regards. > > . > > >
