configure: Disable -Wmicrosoft-enum-forward-reference warnings.

configure

@@ -11004,6 +11004,39 @@ if eval test \"x\$"$as_ac_var"\" = x"yes"
 then :
   as_fn_append ${wine_arch}_EXTRACFLAGS " -Wno-pragma-pack"
 fi }
+    { as_ac_var=`printf "%s\n" "ac_cv_${wine_arch}_cflags_-Wmicrosoft-enum-forward-reference" | $as_tr_sh`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmicrosoft-enum-forward-reference" >&5
+printf %s "checking whether $CC supports -Wmicrosoft-enum-forward-reference... " >&6; }
+if eval test \${$as_ac_var+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_wine_try_cflags_saved=$CFLAGS
+ac_wine_try_cflags_saved_exeext=$ac_exeext
+CFLAGS="$CFLAGS -nostdlib -nodefaultlibs -Wmicrosoft-enum-forward-reference"
+ac_exeext=".exe"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int __cdecl mainCRTStartup(void) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  eval "$as_ac_var=yes"
+else $as_nop
+  eval "$as_ac_var=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+CFLAGS=$ac_wine_try_cflags_saved
+ac_exeext=$ac_wine_try_cflags_saved_exeext
+fi
+eval ac_res=\$$as_ac_var
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_var"\" = x"yes"
+then :
+  as_fn_append ${wine_arch}_EXTRACFLAGS " -Wno-microsoft-enum-forward-reference"
+fi }
     { as_ac_var=`printf "%s\n" "ac_cv_${wine_arch}_cflags_-Wshift-overflow=2" | $as_tr_sh`
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wshift-overflow=2" >&5
 printf %s "checking whether $CC supports -Wshift-overflow=2... " >&6; }

configure.ac

@@ -960,6 +960,7 @@ This is an error since --enable-archs=$wine_arch was requested.])])
     WINE_TRY_PE_CFLAGS([-Winit-self])
     WINE_TRY_PE_CFLAGS([-Wpacked-not-aligned],[AS_VAR_APPEND(${wine_arch}_EXTRACFLAGS,[" -Wno-packed-not-aligned"])])
     WINE_TRY_PE_CFLAGS([-Wpragma-pack],[AS_VAR_APPEND(${wine_arch}_EXTRACFLAGS,[" -Wno-pragma-pack"])])
+    WINE_TRY_PE_CFLAGS([-Wmicrosoft-enum-forward-reference],[AS_VAR_APPEND(${wine_arch}_EXTRACFLAGS,[" -Wno-microsoft-enum-forward-reference"])])
     WINE_TRY_PE_CFLAGS([-Wshift-overflow=2])
     WINE_TRY_PE_CFLAGS([-Wstrict-prototypes])
     WINE_TRY_PE_CFLAGS([-Wtype-limits])