Building RISC-V BSP

[Gedare Bloom]

On Tue, May 30, 2017 at 12:09 PM, Denis Obrezkov
<denisobrezkov at gmail.com> wrote:
> 2017-05-30 18:31 GMT+03:00 Gedare Bloom <gedare at rtems.org>:
>>
>> On Tue, May 30, 2017 at 7:49 AM, Denis Obrezkov <denisobrezkov at gmail.com>
>> wrote:
>> > Hello,
>> > I am trying to build RTEMS for RISC-V BSP. I applied Hesham's patch for
>> > RSB
>> > and built RSB. But when I am trying to build rtems-generic target I get
>> > the
>> > mistake.
>> > This is my sequence of steps:
>> >
>> > git clone git://git.rtems.org/rtems-source-builder.git
>> >
>> > #patch applied here
>> >
>> > mkdir -p ./development/rtems/kernel
>> >
>> > cd ./development/rtems/kernel
>> >
>> > export RTEMS_DEV=~Projects/riscv/rtems/development
>> >
>> > git clone https://github.com/heshamelmatary/rtems-riscv.git
>> >
>> > cd ..
>> >
>> > mkdir rsb
>> >
>> > mv ../../rtems-source-builder/ ./rsb/
>> >
>> > cd rsb/rtems-source-builder/rtems/
>> >
>> > ../source-builder/sb-set-builder --prefix=$RTEMS_DEV/rtems/4.12
>> > 4.12/rtems-riscv32
>> >
>> is $RTEMS_DEV/rtems/4.12/bin in your $PATH?
>>
> You are right, somehow it wasn't there.
>
> Now I have another issue during make:
>
> checking for RTEMS_CPU_MODEL...
> checking for RTEMS_BSP_FAMILY... riscv_generic
> checking for CPU_CFLAGS... (cached) -m32 -march=I
> checking for CFLAGS_OPTIMIZE_V... (cached) -O0 -g
> checking for style of include used by make... GNU
> checking for riscv32-rtems4.12-gcc... riscv32-rtems4.12-gcc
> checking for riscv32-rtems4.12-gcc... (cached) riscv32-rtems4.12-gcc
> checking whether the C compiler works... no
> configure: error: in
> `/home/reprofy/Projects/riscv/rtems/development/rtems/kernel/riscv32/riscv32-rtems4.12/c/riscv_generic':
> configure: error: C compiler cannot create executables
>
> Now I can see the error - there is no such an option "-m32" in 32-bit gcc.
> But what does "(cached)" mean?
>
I think it means configure previously made this check and uses the
cached result of the previous check.

>
>
> --
> Regards, Denis Obrezkov