cross compiling for windows fails

[rawsh]

Using env GOOS=windows GOARCH=amd64 CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ go build -ldflags "-H windowsgui" fails with:

# github.com/mattn/go-gtk/pango
In file included from /usr/lib64/glib-2.0/include/glibconfig.h:9:0,
                 from /usr/include/glib-2.0/glib/gtypes.h:32,
                 from /usr/include/glib-2.0/glib/galloca.h:32,
                 from /usr/include/glib-2.0/glib.h:30,
                 from /usr/include/pango-1.0/pango/pango-coverage.h:25,
                 from /usr/include/pango-1.0/pango/pango-font.h:25,
                 from /usr/include/pango-1.0/pango/pango-attributes.h:25,
                 from /usr/include/pango-1.0/pango/pango.h:25,
                 from ./pango.go.h:7,
                 from ../github.com/mattn/go-gtk/pango/pango.go:5:
/usr/include/glib-2.0/glib/gtypes.h: In function '_GLIB_CHECKED_ADD_U64':
/usr/include/glib-2.0/glib/gmacros.h:232:53: error: size of array '_GStaticAssertCompileTimeAssertion_0' is negative
 #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
                                                     ^
/usr/include/glib-2.0/glib/gmacros.h:229:47: note: in definition of macro 'G_PASTE_ARGS'
 #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
                                               ^~~~~~~~~~~
/usr/include/glib-2.0/glib/gmacros.h:232:44: note: in expansion of macro 'G_PASTE'
 #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
                                            ^~~~~~~
/usr/include/glib-2.0/glib/gtypes.h:423:3: note: in expansion of macro 'G_STATIC_ASSERT'
   G_STATIC_ASSERT(sizeof (unsigned long long) == sizeof (guint64));
   ^~~~~~~~~~~~~~~
# github.com/mattn/go-gtk/glib
In file included from /usr/lib64/glib-2.0/include/glibconfig.h:9:0,
                 from /usr/include/glib-2.0/glib/gtypes.h:32,
                 from /usr/include/glib-2.0/glib/galloca.h:32,
                 from /usr/include/glib-2.0/glib.h:30,
                 from ./glib.go.h:4,
                 from ../github.com/mattn/go-gtk/glib/glib.go:5:
/usr/include/glib-2.0/glib/gtypes.h: In function '_GLIB_CHECKED_ADD_U64':
/usr/include/glib-2.0/glib/gmacros.h:232:53: error: size of array '_GStaticAssertCompileTimeAssertion_0' is negative
 #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
                                                     ^
/usr/include/glib-2.0/glib/gmacros.h:229:47: note: in definition of macro 'G_PASTE_ARGS'
 #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
                                               ^~~~~~~~~~~
/usr/include/glib-2.0/glib/gmacros.h:232:44: note: in expansion of macro 'G_PASTE'
 #define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
                                            ^~~~~~~
/usr/include/glib-2.0/glib/gtypes.h:423:3: note: in expansion of macro 'G_STATIC_ASSERT'
   G_STATIC_ASSERT(sizeof (unsigned long long) == sizeof (guint64));
   ^~~~~~~~~~~~~~~

[mattn]

AFAICK, your cross C compiler look header files on host OS.

[rawsh]

Which headers would those be? Kernel headers are installed

[jackroehr]

Same problem on ubuntu 16.04 lts:
/usr/include/glib-2.0/glib/gtypes.h: In function '_GLIB_CHECKED_ADD_U64': /usr/include/glib-2.0/glib/gmacros.h:232:53: error: size of array '_GStaticAssertCompileTimeAssertion_0' is negative
Full text of output here

[arpitjindal97]

@rawsh Have you managed it ? I am also stuck in same situation

[rawsh]

@arpitjindal97 I have not