--- a/makefiledir/Makefile.libdetection	Tue Mar 14 12:00:11 2006 +0000
+++ b/makefiledir/Makefile.libdetection	Tue Mar 14 19:10:33 2006 +0000
@@ -6,6 +6,8 @@
 
 ifeq ($(shell expr $(CONFIG_VERSION) \< 9), 1)
 
+ifndef BYPASS_OS_DETECT
+
 # Automatically recognize if building on Win32
 ifdef WINDIR
 ifndef UNIX
@@ -56,6 +58,9 @@
 UNIX:=1
 endif
 
+# END BYPASS_OS_DETECT
+endif
+
 # FreeBSD uses sdl11 instead of sdl
 ifdef FREEBSD
 SDL-CONFIG:=sdl11-config