On 2015/4/7 6:50, Mandeep Sandhu wrote: > Hi All, > > I'm having trouble compiling my kernel using a 32-bit toolchain (for > ARM) on a 64-bit host (Ubuntu 14.10). The kernel version is 3.14.17. > > I understand that 32-bit binaries require "ia32-libs" (or equivalent) > for compiling on 64-bit hosts. I installed the required packages > (lib32z1 lib32ncurses5 lib32bz2-1.0 for Ubuntu 14.10), but still keep > getting errors: > > $ make CROSS_COMPILE=arm-none-linux-gnueabi- all > Makefile:616: Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: > -fstack-protector not supported by compiler > make: arm-none-linux-gnueabi-gcc: Command not found > CHK include/config/kernel.release > CHK include/generated/uapi/linux/version.h > CHK include/generated/utsrelease.h > make[1]: `include/generated/mach-types.h' is up to date. > CC kernel/bounds.s > /bin/sh: 1: arm-none-linux-gnueabi-gcc: not found > make[1]: *** [kernel/bounds.s] Error 127 > make: *** [prepare0] Error 2 > > I've ensured that the PATH to the toolchain binaries is correct. > > If I try to export CROSS_COMPILE to my environment, then too I get an > error (although it's for a different reason): > > $ make all > Makefile:616: Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: > -fstack-protector not supported by compiler > CHK include/config/kernel.release > CHK include/generated/uapi/linux/version.h > CHK include/generated/utsrelease.h > make[1]: `include/generated/mach-types.h' is up to date. > CC kernel/bounds.s > gcc: error: unrecognized argument in option ‘-mabi=aapcs-linux’ > gcc: note: valid arguments to ‘-mabi=’ are: ms sysv > gcc: error: unrecognized command line option ‘-mlittle-endian’ > gcc: error: unrecognized command line option ‘-mapcs’ > gcc: error: unrecognized command line option ‘-mno-sched-prolog’ > gcc: error: unrecognized command line option ‘-mno-thumb-interwork’ > gcc: error: unrecognized command line option ‘-mfpu=vfp’ > make[1]: *** [kernel/bounds.s] Error 1 > make: *** [prepare0] Error 2 > > It looks like make is starting a new shell which does not have either > PATH (1st case) or CROSS_COMPILE (2nd case) set. > > Any hints on how to get make to use the toolchain? > > Thanks, > -mandeep > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > Edit .config and set CONFIG_CROSS_COMPILE to the path where your cross compiler is located. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
