gdb-7.12.1 for arm-rtems4.12 fails to build on FreeBSD 11.0

Yao Qi
Tue Feb 28 10:42:00 GMT 2017

Chris Johns <> writes:

> I am getting the following build failure on FreeBSD 11.0:
> In file included from ../../gdb-7.12.1/gdb/arch/arm.c:20:
> In file included from ../../gdb-7.12.1/gdb/common/common-defs.h:31:
> In file included from build-gnulib/import/stdio.h:53:
> build-gnulib/import/stddef.h:104:3: error: typedef redefinition with
> different types ('union max_align_t' vs 'long double')
> } max_align_t;
>   ^
> /usr/include/c++/v1/stddef.h:57:21: note: previous definition is here
> typedef long double max_align_t;
>                     ^
> It seems build-gnulib/import/stddef.h is created assuming there is no
> host provided version. I cannot figure out how the configure phase
> test works and why this is happening.
> Any hints?

Looks a gnulib issue to me.  We upgrade gnulib after 7.12 release to fix
this issue.
Does GDB mainline fail also?

Yao (齐尧)

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