ports/186173: clang ports do not install <unwind.h>

[Ivan A. Kosarev]

>Number:         186173
>Category:       ports
>Synopsis:       clang ports do not install <unwind.h>
>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:   Mon Jan 27 16:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Ivan A. Kosarev
>Release:        9.2
>Organization:
Access Softek, Inc
>Environment:
FreeBSD localhost 9.2-RELEASE FreeBSD 9.2-RELEASE #0 r255898: Thu Sep 26 22:50:31 UTC 2013     root at bake.isc.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
The ports of the clang compiler do not install the <unwind.h> header to the system include directory. This prevents some software relying on the header from building under FreeBSD with clang whereas it builds smoothly with gcc.
>How-To-Repeat:
cd /usr/ports/lang/clang33
make
make install
ls /usr/local/llvm33/lib/clang/3.3/include | grep unwind

>Fix:
The fix is to the change this file:

/usr/ports/lang/clang33/work/llvm-3.3.src/tools/clang/lib/Headers/Makefile

so that it does copy the unwind.h header to the system directory. The line

HEADERS := $(notdir $(wildcard $(PROJ_SRC_DIR)/*intrin*.h) mm3dnow.h mm_malloc.h)

should be replaced with

HEADERS := $(notdir $(wildcard $(PROJ_SRC_DIR)/*intrin*.h) mm3dnow.h mm_malloc.h unwind.h)

A related patch:

http://svnweb.freebsd.org/ports?view=revision&revision=318207

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