configure: Reset host flags in all cross-compiler error paths.

configure

@@ -10340,6 +10340,10 @@ else $as_nop
      fi
 fi
 
+saved_CC=$CC
+saved_CFLAGS=$CFLAGS
+saved_LDFLAGS=$LDFLAGS
+
 for wine_arch in $cross_archs
 do
     case "x$with_mingw" in
@@ -10603,10 +10607,6 @@ test -n "$x86_64_CC" || x86_64_CC="false"
         esac
 fi
 
-    saved_CC=$CC
-    saved_CFLAGS=$CFLAGS
-    saved_LDFLAGS=$LDFLAGS
-
     CFLAGS=${CROSSCFLAGS:-"-g -O2"}
     LDFLAGS=$CROSSLDFLAGS
     eval CC=\$${wine_arch}_CC
@@ -10768,9 +10768,6 @@ then :
   as_fn_error $? "MinGW $wine_arch compiler not found.
 This is an error since --enable-archs=$wine_arch was requested." "$LINENO" 5
 fi
-        CC=$saved_CC
-        CFLAGS=$saved_CFLAGS
-        LDFLAGS=$saved_LDFLAGS
         continue
     fi
 
@@ -10814,9 +10811,6 @@ fi
 printf "%s\n" "none needed" >&6; } ;;
       xno) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-           CC=$saved_CC
-           CFLAGS=$saved_CFLAGS
-           LDFLAGS=$saved_LDFLAGS
            if test ${enable_archs+y}
 then :
   as_fn_error $? "MinGW $wine_arch compiler supporting C99 not found.
@@ -11964,11 +11958,12 @@ then :
                                           as_fn_append ${wine_arch}_LDFLAGS " -Wl,--build-id"
 fi }
 
-    CC=$saved_CC
-    CFLAGS=$saved_CFLAGS
-    LDFLAGS=$saved_LDFLAGS
 done
 
+CC=$saved_CC
+CFLAGS=$saved_CFLAGS
+LDFLAGS=$saved_LDFLAGS
+
 if test $HOST_ARCH = aarch64
 then
     test "x$PE_ARCHS" != x || as_fn_error $? "PE cross-compilation is required for ARM64, please install clang/llvm-dlltool/lld, or llvm-mingw." "$LINENO" 5

configure.ac

@@ -833,6 +833,10 @@ AS_VAR_SET_IF([enable_archs],
          test $HOST_ARCH = unknown || cross_archs=$HOST_ARCH
      fi])
 
+saved_CC=$CC
+saved_CFLAGS=$CFLAGS
+saved_LDFLAGS=$LDFLAGS
+
 for wine_arch in $cross_archs
 do
     case "x$with_mingw" in
@@ -859,10 +863,6 @@ do
             ;;
         esac])
 
-    saved_CC=$CC
-    saved_CFLAGS=$CFLAGS
-    saved_LDFLAGS=$LDFLAGS
-
     CFLAGS=${CROSSCFLAGS:-"-g -O2"}
     LDFLAGS=$CROSSLDFLAGS
     AS_VAR_COPY([CC],[${wine_arch}_CC])
@@ -924,9 +924,6 @@ do
         AS_VAR_SET_IF([enable_archs],
             [AC_MSG_ERROR([MinGW $wine_arch compiler not found.
 This is an error since --enable-archs=$wine_arch was requested.])])
-        CC=$saved_CC
-        CFLAGS=$saved_CFLAGS
-        LDFLAGS=$saved_LDFLAGS
         continue
     fi
 
@@ -948,9 +945,6 @@ This is an error since --enable-archs=$wine_arch was requested.])])
     case "x$res" in
       x) AC_MSG_RESULT([none needed]) ;;
       xno) AC_MSG_RESULT([unsupported])
-           CC=$saved_CC
-           CFLAGS=$saved_CFLAGS
-           LDFLAGS=$saved_LDFLAGS
            AS_VAR_SET_IF([enable_archs],
                 [AC_MSG_ERROR([MinGW $wine_arch compiler supporting C99 not found.
 This is an error since --enable-archs=$wine_arch was requested.])])
@@ -1040,11 +1034,12 @@ This is an error since --enable-archs=$wine_arch was requested.])])
                                          [AS_VAR_APPEND([${wine_arch}_CFLAGS],[" -Wl,--build-id"])
                                           AS_VAR_APPEND([${wine_arch}_LDFLAGS],[" -Wl,--build-id"])])
 
-    CC=$saved_CC
-    CFLAGS=$saved_CFLAGS
-    LDFLAGS=$saved_LDFLAGS
 done
 
+CC=$saved_CC
+CFLAGS=$saved_CFLAGS
+LDFLAGS=$saved_LDFLAGS
+
 if test $HOST_ARCH = aarch64
 then
     test "x$PE_ARCHS" != x || AC_MSG_ERROR([PE cross-compilation is required for ARM64, please install clang/llvm-dlltool/lld, or llvm-mingw.])