configure: Don't try to use a non-compliant cross-compiler.

configure

@@ -10690,7 +10690,6 @@ fi
         LDFLAGS=$saved_LDFLAGS
         continue
     fi
-    as_fn_append PE_ARCHS " $wine_arch"
 
     as_wine_cv_crosscc_c99=`printf "%s\n" "ac_cv_${wine_arch}_crosscc_c99" | $as_tr_sh`
 
@@ -10726,17 +10725,23 @@ fi
 fi
 
     eval res=\$$as_wine_cv_crosscc_c99
+
     case "x$res" in
       x) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; } ;;
       xno) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; } ;;
+printf "%s\n" "unsupported" >&6; }
+           CC=$saved_CC
+           CFLAGS=$saved_CFLAGS
+           LDFLAGS=$saved_LDFLAGS
+           continue
+           ;;
       x*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $res" >&5
 printf "%s\n" "$res" >&6; }
           as_fn_append ${wine_arch}_CC " $res" ;;
     esac
 
-
+    as_fn_append PE_ARCHS " $wine_arch"
     { as_ac_var=`printf "%s\n" "ac_cv_${wine_arch}_cflags_-fno-strict-aliasing" | $as_tr_sh`
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fno-strict-aliasing" >&5
 printf %s "checking whether $CC supports -fno-strict-aliasing... " >&6; }

configure.ac

@@ -902,7 +902,6 @@ do
         LDFLAGS=$saved_LDFLAGS
         continue
     fi
-    AS_VAR_APPEND([PE_ARCHS],[" $wine_arch"])
 
     AS_VAR_PUSHDEF([wine_cv_crosscc_c99],[ac_cv_${wine_arch}_crosscc_c99])
     AC_MSG_CHECKING([for $CC option to enable C99 features])
@@ -918,14 +917,20 @@ do
              AS_VAR_IF([wine_cv_crosscc_c99],[no],[],[break])
          done])
     AS_VAR_COPY([res],[wine_cv_crosscc_c99])
+    AS_VAR_POPDEF([wine_cv_crosscc_c99])
     case "x$res" in
       x) AC_MSG_RESULT([none needed]) ;;
-      xno) AC_MSG_RESULT([unsupported]) ;;
+      xno) AC_MSG_RESULT([unsupported])
+           CC=$saved_CC
+           CFLAGS=$saved_CFLAGS
+           LDFLAGS=$saved_LDFLAGS
+           continue
+           ;;
       x*) AC_MSG_RESULT([$res])
           AS_VAR_APPEND([${wine_arch}_CC],[" $res"]) ;;
     esac
-    AS_VAR_POPDEF([wine_cv_crosscc_c99])
 
+    AS_VAR_APPEND([PE_ARCHS],[" $wine_arch"])
     WINE_TRY_PE_CFLAGS([-fno-strict-aliasing])
     dnl clang needs to be told to fail on unknown options
     WINE_TRY_PE_CFLAGS([-Werror=unknown-warning-option],[CFLAGS="$CFLAGS -Werror=unknown-warning-option"])