configure.bat: Fix call without arguments

If there are no arguments, echo will print its status, and config.opt.in
will contain

  ECHO
  is
  off.

Fix this by using "echo." idiom.

This amends 57ad532e75f6221

Change-Id: I1697e59f23cd28256a4a6ce357eae70e36c49d5a
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
(cherry picked from commit 7c801ec93a90f856837c4c71f0497ac03c33b611)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Kai Köhne 2022-02-15 09:11:43 +01:00 committed by Qt Cherry-pick Bot
parent 71599dc5b4
commit 366d134ebd

View File

@ -104,7 +104,7 @@ cd "%TOPQTDIR%"
rem Write config.opt if we're not currently -redo'ing
if "!rargs!" == "" (
echo %*>config.opt.in
echo.%*>config.opt.in
cmake -DIN_FILE=config.opt.in -DOUT_FILE=config.opt -DIGNORE_ARGS=-top-level -P "%QTSRC%\cmake\QtWriteArgsFile.cmake"
)