gdb-7.12 powerpc-rtems4.12-gdb does not build on FreeBSD.

Chris Johns chrisj@rtems.org
Wed Nov 23 23:16:00 GMT 2016


On 23/11/2016 10:38, Chris Johns wrote:
> Hi,
>
> I am getting:
>
> ../sim/ppc/libsim.a(sim_calls.o): In function `sim_io_printf_filtered':
> ../../../gdb-7.12/sim/ppc/sim_calls.c:(.text+0x17c): undefined reference
> to `error'
> ../sim/ppc/libsim.a(sim_calls.o): In function `sim_load':
> ../../../gdb-7.12/sim/ppc/sim_calls.c:(.text+0x291): undefined reference
> to `error'
> ../../../gdb-7.12/sim/ppc/sim_calls.c:(.text+0x31d): undefined reference
> to `error'
> ../../../gdb-7.12/sim/ppc/sim_calls.c:(.text+0x357): undefined reference
> to `error'
> ../sim/ppc/libsim.a(sim_calls.o): In function `sim_create_inferior':
> ../../../gdb-7.12/sim/ppc/sim_calls.c:(.text+0x53e): undefined reference
> to `error'
>
> and errors.o has the following symbols:
>
>   nm
> build/powerpc-rtems4.12-gdb-7.12-x86_64-freebsd10.3-1/build/gdb/errors.o
> 0000000000000120 T _Z14internal_errorPKciS0_z
>                   U _Z15internal_verrorPKciS0_P13__va_list_tag
> 00000000000001a0 T _Z16internal_warningPKciS0_z
>                   U _Z17internal_vwarningPKciS0_P13__va_list_tag
> 0000000000000090 T _Z5errorPKcz
>                   U _Z6verrorPKcP13__va_list_tag
> 0000000000000000 T _Z7warningPKcz
>                   U _Z8vwarningPKcP13__va_list_tag
>
> Is there a C++/C thing happening here between the PCC simulator and GDB?
>

A follow up. It looks like GDB is being built by cc which is clang on 
FreeBSD. I am told by Joel this gdb target builds on Linux.

I do not know what the extern binding is for gdb, C or C++?

Chris



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