cross/mingw-w64 failed to compile on SunOS

[Hung Nguyen Gia <gh_origin%zohomail.com@localhost>]

In file included from /usr/include/dlfcn.h:37,
                 from sysdep.h:80,
                 from deffilep.y:22:
deffilep.c:234:5: error: expected identifier before numeric constant
  234 |     SHARED = 279,
      |     ^~~~~~
deffilep.c:265: warning: "SHARED" redefined
  265 | #define SHARED 279
      | 
In file included from /usr/include/dlfcn.h:37,
                 from sysdep.h:80,
                 from deffilep.y:22:
/usr/include/sys/mman.h:105: note: this is the location of the previous definition
  105 | #define SHARED  0x10
      | 
gmake[4]: *** [Makefile:2148: deffilep.o] Error 1
gmake[4]: *** Waiting for unfinished jobs....
mv -f .deps/plugin.Tpo .deps/plugin.Po
mv -f .deps/ldlang.Tpo .deps/ldlang.Po
mv -f .deps/pep-dll.Tpo .deps/pep-dll.Po
gmake[4]: Leaving directory '/export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils/work/binutils-2.35.1/ld'
gmake[3]: *** [Makefile:1751: all-recursive] Error 1
gmake[3]: Leaving directory '/export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils/work/binutils-2.35.1/ld'
gmake[2]: *** [Makefile:1035: all] Error 2
gmake[2]: Leaving directory '/export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils/work/binutils-2.35.1/ld'
gmake[1]: *** [Makefile:7213: all-ld] Error 2
gmake[1]: Leaving directory '/export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils/work/binutils-2.35.1'
gmake: *** [Makefile:853: all] Error 2
*** Error code 2

Stop.
bmake[3]: stopped in /export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils
WARNING: *** Please consider adding c++ to USE_LANGUAGES in the package Makefile.
*** Error code 1

Stop.
bmake[2]: stopped in /export/home/hung/pkgsrc/cross/mingw-w64-x86_64-binutils
*** Error code 1

Stop.
bmake[1]: stopped in /export/home/hung/pkgsrc/cross/mingw-w64-x86_64-gcc
*** Error code 1

Stop.
bmake: stopped in /export/home/hung/pkgsrc/cross/mingw-w64