Added line to echo usage on invalid input.

From-SVN: r9730

diff --git a/gcc/configure.bat b/gcc/configure.bat
index a031b0cd714c05d1512ab1eff418b46bd33bbf32..336a04c5814f69cc0069b969234482db17c02b03 100644 (file)
--- a/gcc/configure.bat
+++ b/gcc/configure.bat
@@ -9,6 +9,11 @@ call config\msdos\configure %1 %2 %3 %4
 goto END\r
 \r
 :call_winnt\r
+if %2.==i386. goto really_call_winnt\r
+if %2.==alpha. goto really_call_winnt\r
+echo Usage: configure winnt i386 or configure winnt alpha\r
+goto END\r
+:really_call_winnt\r
 call config\%2\config-nt %1 %2 %3 %4\r
 goto END\r
 \r