Check if INSTALL_DIR is passed as an argument.

,

diff --git a/nt/install.bat b/nt/install.bat
index 997702b34cab0c973932f7a2880ea3a702413464..c05a06ddbf1ff3c4b4d8a6b199b94a934e9dee9a 100755 (executable)
--- a/nt/install.bat
+++ b/nt/install.bat
@@ -1 +1,2 @@
 nmake -f makefile.nt install\r
+@if not (%1) == () set INSTALL_DIR=%1