ports/169250: [patch] switch graphics/ImageMagick to build with clang

[4721 at hushmail.com]

>Number:         169250
>Category:       ports
>Synopsis:       [patch] switch graphics/ImageMagick to build with clang
>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:   Wed Jun 20 01:20:09 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     4721 at hushmail.com
>Release:        
>Organization:
>Environment:
>Description:
switch ImageMagick to clang build solves two build/test problems.

test failures of 165535:
FAIL: tests/validate-formats-in-memory.sh
FAIL: tests/validate-formats-on-disk.sh

build failure of 169066:
CC coders/coders_hdr_la-hdr.lo
coders/hald.c: In function 'ReadHALDImage':
coders/hald.c:128: error: expected '#pragma omp' clause before 'dynamic_number_threads'
gmake[1]: *** [coders/coders_hald_la-hald.lo] Error 1


with clang:
PASS: tests/validate-formats-in-memory.sh
PASS: tests/validate-formats-on-disk.sh

CC coders/coders_hald_la-hald.lo
CC coders/coders_hdr_la-hdr.lo
CC coders/coders_histogram_la-histogram.lo


tested on 8.3-amd64. note that build/test failures also can be fixed by using
lang/gcc46.
>How-To-Repeat:

>Fix:


Patch attached with submission follows:

--- graphics/ImageMagick/Makefile
+++ graphics/ImageMagick/Makefile
@@ -35,6 +35,11 @@
 
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
+CC=		clang
+CXX=		clang++
+.if !exists(/usr/bin/clang)
+BUILD_DEPENDS+=	${LOCALBASE}/bin/clang:${PORTSDIR}/lang/clang
+.endif
 
 PLIST_SUB=	PORTVERSION=${PORTVERSION:R}
 


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