Re: [PATCH 00/11] C++/MinGW patches

[Pedro Alves <palves@redhat.com>]

On 11/03/2015 12:24 PM, Qian Hong wrote:
> Hi Pedro,
> 
> I found the below error when cross compile with `./configure
> --host=i686-w64-mingw32 --enable-build-with-cxx`:

Does it trigger without --enable-build-with-cxx as well?

> 
> objcopy.c: In function ‘parse_symflags’:
> objcopy.c:792:7: error: implicit declaration of function ‘strndup’
> [-Werror=implicit-function-declaration]
>        PARSE_OTHER ("before=", *other);
>        ^
> objcopy.c:774:9: error: incompatible implicit declaration of built-in
> function ‘strndup’ [-Werror]
>   fval = strndup (s + sizeof fname - 1, len - sizeof fname + 1)
>          ^
> objcopy.c:792:7: note: in expansion of macro ‘PARSE_OTHER’
>        PARSE_OTHER ("before=", *other);
>        ^
> objcopy.c: In function ‘copy_main’:
> objcopy.c:4085:23: error: incompatible implicit declaration of
> built-in function ‘strndup’ [-Werror]
>       newsym->symdef = strndup (optarg, s - optarg);
>                        ^
> cc1: all warnings being treated as errors
> Makefile:939: recipe for target 'objcopy.o' failed
> make[4]: *** [objcopy.o] Error 1
> 

... because binutils/objcopy.c is part of binutils, not gdb.  Is it
trying to build with a C++ compiler?  (doesn't look like that's
the issue, but ...)

Thanks,
Pedro Alves