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From: Qian Hong <fracting@gmail.com>
Date: Tue, 03 Nov 2015 12:24:00 -0000
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Subject: Re: [PATCH 00/11] C++/MinGW patches
To: Pedro Alves <palves@redhat.com>
Cc: gdb-patches@sourceware.org
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Hi Pedro,

I found the below error when cross compile with `./configure
--host=3Di686-w64-mingw32 --enable-build-with-cxx`:

objcopy.c: In function =E2=80=98parse_symflags=E2=80=99:
objcopy.c:792:7: error: implicit declaration of function =E2=80=98strndup=
=E2=80=99
[-Werror=3Dimplicit-function-declaration]
       PARSE_OTHER ("before=3D", *other);
       ^
objcopy.c:774:9: error: incompatible implicit declaration of built-in
function =E2=80=98strndup=E2=80=99 [-Werror]
  fval =3D strndup (s + sizeof fname - 1, len - sizeof fname + 1)
         ^
objcopy.c:792:7: note: in expansion of macro =E2=80=98PARSE_OTHER=E2=80=99
       PARSE_OTHER ("before=3D", *other);
       ^
objcopy.c: In function =E2=80=98copy_main=E2=80=99:
objcopy.c:4085:23: error: incompatible implicit declaration of
built-in function =E2=80=98strndup=E2=80=99 [-Werror]
      newsym->symdef =3D 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