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Date:      Sun, 28 Oct 2012 08:15:02 GMT
From:      Rainer Hurling <rhurlin@gwdg.de>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   ports/173148: [maintainer][patch] math/saga: workaround for CLANG build problem
Message-ID:  <201210280815.q9S8F2xr028553@red.freebsd.org>
Resent-Message-ID: <201210280820.q9S8K1IZ053225@freefall.freebsd.org>

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>Number:         173148
>Category:       ports
>Synopsis:       [maintainer][patch] math/saga: workaround for CLANG build problem
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Oct 28 08:20:01 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Rainer Hurling
>Release:        10.0-CURRENT (amd64)
>Organization:
>Environment:
FreeBSD xxx.xxx.xxx 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r242173: Sat Oct 27 11:31:10 CEST 2012     xxx@xxx.xxx.xx:/usr/obj/usr/src/sys/XXX  amd64
>Description:
Found on Pointyhat West CLANG exp run from 2012-10-20 that math/saga does not buid due to an error found by clang:

table.cpp:128:17: error: taking the address of a temporary object of type 'CSG_Table' [-Waddress-of-temporary]
        pTable->Assign(&Get_Connection()->Get_Field_Desc(pTables->asString()));
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

(see http://pointyhat-west.isc.freebsd.org/errorlogs/amd64-errorlogs/e.9-exp-clang.20121020001711.pointyhat-west/saga-2.0.8_3.log)

This error does not happen with gcc.

The SAGA GIS core team is working on a new release version. In the meantime this workaround should be enough to make CLANG systems happy, I hope.
>How-To-Repeat:
Building math/saga on a CLANG based system.

>Fix:
Force the build to use gcc instead of clang should do it for now.

Patch attached with submission follows:

--- saga.orig/Makefile	2012-08-03 14:33:55.000000000 +0200
+++ saga/Makefile	2012-10-27 21:33:47.000000000 +0200
@@ -28,6 +28,7 @@
 USE_WX=		2.8
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
+USE_GCC=	any
 USE_AUTOTOOLS=	libtool
 CFLAGS+=	-I${LOCALBASE}/include
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}


>Release-Note:
>Audit-Trail:
>Unformatted:



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