1 files changed, 4 insertions, 0 deletions
diff --git a/configure b/configure
index 0fb167c8ff..eb9460e384 100755
--- a/configure
+++ b/configure
@@ -112,6 +112,10 @@ case $arch_spec in
 	    ARCH=`/usr/ucb/arch`
 	elif /bin/uname -s | grep -q -i CYGWIN ; then
 	    ARCH=win32
+	    # cygwin returns a name of the form \\cygdrive\\c\\... 
+	    # that coqc does not understand; need to transform it
+	    COQTOP=`echo $COQTOP | sed -e "s#.*cygdrive.\(.\)#\1:#"`
+	    echo $COQTOP
 	else
 	    echo "I can not automatically find the name of your architecture"
 	    echo -n\