diff -r 0c4c976612d3 -r cb1203f48728 common/autoconf/basics_windows.m4
--- a/common/autoconf/basics_windows.m4	Wed Apr 18 12:37:18 2018 -0700
+++ b/common/autoconf/basics_windows.m4	Tue Apr 17 09:33:36 2018 -0700
@@ -266,6 +266,14 @@
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(new_path)
 
     new_path=`$WHICH "$new_path" 2> /dev/null`
+    # bat and cmd files are not always considered executable in MSYS causing which
+    # to not find them
+    if test "x$new_path" = x \
+        && test "x`$ECHO \"$path\" | $GREP -i -e \"\\.bat$\" -e \"\\.cmd$\"`" != x \
+        && test "x`$LS \"$path\" 2>/dev/null`" != x; then
+      new_path="$path"
+      BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(new_path)
+    fi
 
     if test "x$new_path" = x; then
       # It's still not found. Now this is an unrecoverable error.