X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=win32%2Fdoflex.cmd;h=8f32fbdaa4a5acd6bfe37726bc7b52e272d3dac7;hb=09652df5fc19b088d8baf43dd7839d9c2fc24980;hp=5c0629d092b319c241641e55380c5a1df5f67b3f;hpb=4ed1de843dddb681b6a868d8acf2cb2f20f70131;p=oota-llvm.git

diff --git a/win32/doflex.cmd b/win32/doflex.cmd
index 5c0629d092b..8f32fbdaa4a 100755
--- a/win32/doflex.cmd
+++ b/win32/doflex.cmd
@@ -6,14 +6,15 @@ rem   source - input to bison
 
 if "%1"=="debug" (set flags=-t) else (set flags=-t)
 
-rem Try and run flex.  If it is present, great.
-flex %flags% >%2.cpp %3
-if errorlevel 1 goto error
-goto done
+rem Test for presence of flex.
+flex --help >NUL
+if errorlevel 1 goto noflex
 
-:error
-echo Flex could not run.  Using pre-generated files.
-copy %~pn3.cpp %2.cpp
+rem Run flex.
+flex %flags% >%2.cpp %3
+exit
 
-:done
-exit 0
+:noflex
+echo Flex not found.  Using pre-generated files.
+copy %~pn3.cpp.cvs %2.cpp
+exit