Compiling sparc/leon3 with clang

[Sebastian Huber]

On 31/07/2019 01:23, Gedare Bloom wrote:
> Hello folks,
> 
> I'm trying to compile leon3 with clang, because I'm under the
> impression it should be possible. I got as far as
> mv -f base_sp/.deps/base_sp-apptask.Tpo base_sp/.deps/base_sp-apptask.Po
> clang -target sparc-rtems5 -ccc-gcc-name sparc-rtems5-gcc
> -mcpu=leon3 -O2 -g -ffunction-sections -fdata-sections -Wall
> -Wmissing-prototypes -Wimplicit-function-declaration
> -Wstrict-prototypes -Wnested-externs -B./../../lib/libbsp/sparc/leon3
> -B/mnt/devel/rtems/rtems/bsps/sparc/leon3/start -qrtems
> -L./../../cpukit -L/mnt/devel/rtems/rtems/bsps/sparc/shared/start
> -Wl,--wrap=printf -Wl,--wrap=puts -Wl,--wrap=putchar -Wl,--gc-sections
> -o base_sp.exe base_sp/base_sp-init.o base_sp/base_sp-apptask.o
> ./../../lib/libbsp/sparc/leon3/librtemsbsp.a
> ./../../cpukit/librtemscpu.a ./../../cpukit/librtemstest.a
> clang-10: error: unknown argument: '-qrtems'
> Makefile:665: recipe for target 'base_sp.exe' failed
> make[5]: *** [base_sp.exe] Error 1
> make[5]: Leaving directory
> '/mnt/devel/rtems/builds/b-erc32-clang/sparc-rtems5/c/leon3/testsuites/samples'
> 
> Any advice how to get past this qrtems error?

The -qrtems is an RTEMS-specific GCC option.  See also:

https://lists.rtems.org/pipermail/devel/2018-September/023095.html
https://lists.rtems.org/pipermail/devel/2019-June/026396.html

-- 
Sebastian Huber, embedded brains GmbH

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