On 10/16/2017 06:55 AM, prasanna karthik wrote:
> Support building optee on 32-bit Host Linux distribution
>
> Signed-off-by: Prasanna K Mutharaju <prasannakarthik@outlook.com>
> ---
>  toolchain.mk |   11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/toolchain.mk b/toolchain.mk
> index 33c6dfb..d77c2f2 100644
> --- a/toolchain.mk
> +++ b/toolchain.mk
> @@ -4,10 +4,17 @@
>  ROOT                         ?= $(CURDIR)/..
>  TOOLCHAIN_ROOT                        ?= $(ROOT)/toolchains
> 
> +LBITS := $(shell getconf LONG_BIT)
>  AARCH32_PATH                  ?= $(TOOLCHAIN_ROOT)/aarch32
>  AARCH32_CROSS_COMPILE                 ?= $(AARCH32_PATH)/bin/arm-linux-gnueabihf-
> -AARCH32_GCC_VERSION           ?= gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf
> -SRC_AARCH32_GCC               ?= http://releases.linaro.org/components/toolchain/binaries/6.2-2016.11/arm-linux-gnueabihf/${AARCH32_GCC_VERSION}.tar.xz
> +
> +ifeq ($(LBITS),64)
> +     AARCH32_GCC_VERSION              ?= gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf
> +     SRC_AARCH32_GCC          ?= http://releases.linaro.org/components/toolchain/binaries/6.2-2016.11/arm-linux-gnueabihf/${AARCH32_GCC_VERSION}.tar.xz
> +else
> +     AARCH32_GCC_VERSION             ?= gcc-linaro-arm-linux-gnueabihf-4.9-2014.08_linux

Please use the same compiler version if possible: keep SRC_AARCH32_GCC
unchanged and set AARCH32_GCC_VERSION to
gcc-linaro-6.2.1-2016.11-i686_arm-linux-gnueabihf.tar.xz. That should be
enough.

> +     SRC_AARCH32_GCC                 ?= http://releases.linaro.org/archive/14.08/components/toolchain/binaries/${AARCH32_GCC_VERSION}.tar.xz
> +endif
> 
>  AARCH64_PATH                  ?= $(TOOLCHAIN_ROOT)/aarch64
>  AARCH64_CROSS_COMPILE                 ?= $(AARCH64_PATH)/bin/aarch64-linux-gnu-
>

What about the aarch64 compiler? (Try building qemu_v8.xml on your
32-bit host).

Thanks,
--
Jerome