ports/170517: [patch] Correct audio/jack Dependency Declaration

[A.J. Kehoe IV (Nanoman)]

>Number:         170517
>Category:       ports
>Synopsis:       [patch] Correct audio/jack Dependency Declaration
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Thu Aug 09 19:50:04 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     A.J. Kehoe IV (Nanoman)
>Release:        9.0
>Organization:
Nanoman's Company
>Environment:
FreeBSD localhost 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12 02:52:29 UTC 2012     root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
The FreeBSD port audio/jack uses automatic detection to declare an optional dependency.  This causes problems for port and package management.
>How-To-Repeat:

>Fix:
I've attached a patch that corrects this by using the method suggested in the FreeBSD Porter's Handbook on the "Dependencies" page under "Problems Caused by Automatic Dependencies":

http://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/makefile-depend.html

Patch attached with submission follows:

--- ports/audio/jack/Makefile.old	2012-05-30 07:27:09.000000000 -0400
+++ ports/audio/jack/Makefile	2012-08-09 15:47:04.868404000 -0400
@@ -35,7 +35,8 @@
 
 MAN1=		jackd.1 jackstart.1
 
-OPTIONS_DEFINE=	ALSA DOCS
+OPTIONS_DEFINE=	ALSA DOCS READLINE
+READLINE_DESC=	Enable Readline support
 
 .include <bsd.port.pre.mk>
 
@@ -47,7 +48,7 @@
 PLIST_SUB+=	DOCS="@comment "
 .endif
 
-.if exists(${LOCALBASE}/lib/libreadline.so.6)
+.if ${PORT_OPTIONS:MREADLINE}
 LIB_DEPENDS+=	readline.6:${PORTSDIR}/devel/readline
 .endif
 


>Release-Note:
>Audit-Trail:
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