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Date:      Sun, 19 Mar 2006 19:59:36 +1100 (EST)
From:      Edwin Groothuis <edwin@mavetju.org>
To:        FreeBSD-gnats-submit@FreeBSD.org
Subject:   ports/94680: [patch] bsd.port.mk - introduce ONLY_FOR_OSVERSION as _REASON
Message-ID:  <20060319085936.D265F272@k7.mavetju>
Resent-Message-ID: <200603190900.k2J90Uwo070923@freefall.freebsd.org>

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>Number:         94680
>Category:       ports
>Synopsis:       [patch] bsd.port.mk - introduce ONLY_FOR_OSVERSION as _REASON
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 19 09:00:29 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Edwin Groothuis
>Release:        FreeBSD 6.0-RELEASE i386
>Organization:
-
>Environment:
System: FreeBSD k7.mavetju 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Thu Nov 3 09:36:13 UTC 2005 root@x64.samsco.home:/usr/obj/usr/src/sys/GENERIC i386


>Description:

A lot of ports have this in them:

    .include <bsd.port.pre.mk>
    .if ${OSVERSION} < 400000
    BROKEN=         Not supported for pre-4.0 FreeBSD
    .endif

    .include <bsd.port.pre.mk>
    .if ${OSVERSION} >= 502126
    BROKEN=         Does not compile on FreeBSD >= 5.x
    .endif

    .include <bsd.port.pre.mk>
    .if ${OSVERSION} < 500000
    BROKEN=         Does not compile on 4.x (port and dependencies need recent C++ compiler)
    .endif

It would be much more in the trend of ONLY_FOR_ARCHS and NOT_FOR_ARCHS
to use normal messages for this:

    ONLY_FOR_OSVERSION=	400000+
    ONLY_FOR_OSVERSION_REASON=	Not supported for pre-4.0 FreeBSD

    ONLY_FOR_OSVERSION=	-502126
    ONLY_FOR_OSVERSION_REASON=	Does not compile on FreeBSD >= 5.x

    ONLY_FOR_OSVERSION=	500000+
    ONLY_FOR_OSVERSION_REASON=	Does not compile on 4.x (port and dependencies need recent C++ compiler)


Which would give as output:

===>  rdist-6.1.5_2 is marked as broken: Not supported for pre-4.0 FreeBSD.
===>  rdist-6.1.5_2 is marked as broken: Requires OSVERSION 400000 or later: Not supported for pre-4.0 FreeBSD.

===>  nil-000928_2 is marked as broken: Does not compile on FreeBSD >= 5.x
===>  nil-000928_2 is marked as broken: Requires OSVERSION 502126 or earlier: Does not compile on FreeBSD >= 5.x.

===>  vamos-0.5.5_2 is marked as broken: "Does not compile on 4.x (port and dependencies need recent C++ compiler)".
===>  vamos-0.5.5_2 is marked as broken: Requires OSVERSION 500000 or later: Does not compile on 4.x (port and dependencies need recent C++ compiler).

It will also give other scripts (freshports, linimons portlist) the
possibilities to give better data back to the users, and people who
want to do sweeps of the port collection a chance to find ports
which can be cleaned up ("port requires FreeBSD < 4") or checks
which can be removed ("Port requires FreeBSD > 4")

>How-To-Repeat:



>Fix:


--- bsd.port.mk.orig	Sun Mar 19 17:18:28 2006
+++ bsd.port.mk	Sun Mar 19 19:40:06 2006
@@ -208,6 +208,17 @@
 #				- Only build ports if ${ARCH} matches one of these.
 # NOT_FOR_ARCHS	- Only build ports if ${ARCH} doesn't match one of these.
 #
+# Set these if your port only builds on certain OS versions.
+#
+# ONLY_FOR_OSVERSION
+#				- An OS version, optionally prefixed or suffixed a "+" to
+#				  indicate "up to" or "from". OS Versions are the six digits
+#				  versions like ${OSVERSION}). For example: 500000+ requires
+#				  OSVERSION 500000 or higher, +499999 requires OSVERSION to
+#				  be lower than 500000.
+# ONLY_FOR_OSVERSION_REASON
+#				- An optional reason why it doesn't work on this OSVERSION.
+#
 # Dependency checking.  Use these if your port requires another port
 # not in the list below.  (Default: empty.)
 #
@@ -2824,6 +2835,37 @@
 IGNORE=		does not run on ${NOT_FOR_ARCHS},
 .endif
 IGNORE+=	and you are running ${ARCH}
+.endif
+
+#
+# Compare OSVERSION with the values in ${ONLY_FOR_OSVERSION}
+#
+.if defined(ONLY_FOR_OSVERSION)
+
+# Strip any leading or following characters
+_ONLY_FOR_OSVERSION:=${ONLY_FOR_OSVERSION}
+_ONLY_FOR_OSVERSION:=${_ONLY_FOR_OSVERSION:S/+//}
+_ONLY_FOR_OSVERSION:=${_ONLY_FOR_OSVERSION:S/-//}
+.if ${ONLY_FOR_OSVERSION} == "-${_ONLY_FOR_OSVERSION}"
+_OKAYEARLIER=	true
+.endif
+.if ${ONLY_FOR_OSVERSION} == "${_ONLY_FOR_OSVERSION}+"
+_OKAYLATER=	true
+.endif
+
+# Check versions
+.if !defined(_OKAYEARLIER) && !defined(_OKAYLATER) && ( ${OSVERSION} != ${_ONLY_FOR_OSVERSION} )
+BROKEN=	Requires OSVERSION ${_ONLY_FOR_OSVERSION}: ${ONLY_FOR_OSVERSION_REASON}
+.endif
+.if defined(_OKAYEARLIER) && ${OSVERSION} > ${_ONLY_FOR_OSVERSION}
+BROKEN=	Requires OSVERSION ${_ONLY_FOR_OSVERSION} or earlier: ${ONLY_FOR_OSVERSION_REASON}
+.endif
+.if defined(_OKAYLATER) && ${OSVERSION} < ${_ONLY_FOR_OSVERSION}
+BROKEN=	Requires OSVERSION ${_ONLY_FOR_OSVERSION} or later: ${ONLY_FOR_OSVERSION_REASON}
+.endif
+
+.undef _OKAYEARLIER
+.undef _OKAYLATER
 .endif
 
 .if !defined(NO_IGNORE)
>Release-Note:
>Audit-Trail:
>Unformatted:



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