Avoid horrid stack scanning code, breaks unexpectedly when built with clang 15

misc/cdrdao/Makefile

@@ -3,7 +3,7 @@ COMMENT=	write audio/data CD-Rs in disk-at-once mode
 DISTNAME= 	cdrdao-1.2.1
 CATEGORIES=	audio misc
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=cdrdao/}
-REVISION=	5
+REVISION=	6
 
 HOMEPAGE=	http://cdrdao.sourceforge.net/
 

misc/cdrdao/patches/patch-scsilib_include_mconfig_h

@@ -0,0 +1,15 @@
+Forcefully disable stack scanning, unportable and completely broken when
+built by clang 15.
+
+Index: scsilib/include/mconfig.h
+--- scsilib/include/mconfig.h.orig
++++ scsilib/include/mconfig.h
+@@ -137,6 +137,8 @@ extern "C" {
+ #endif
+ #endif
+ 
++#undef	HAVE_SCANSTACK
++
+ /*
+  * Allow to overwrite the defines in the makefiles by calling
+  *