$OpenBSD: patch-cmake_Unix_cmake,v 1.3 2017/03/25 08:39:51 landry Exp $

- Avoid forced linkage with libstdc++.

--- cmake/Unix.cmake.orig	Thu Mar 23 16:18:04 2017
+++ cmake/Unix.cmake	Fri Mar 24 07:19:31 2017
@@ -66,6 +66,7 @@ if(ENABLE_RAW)
 	if(NOT LIBRAW_FOUND)
 		message(FATAL_ERROR "libraw not found. It's mandatory when used with ENABLE_RAW enabled")
 	else()
+		list(REMOVE_ITEM LIBRAW_LIBRARIES stdc++)
 		add_definitions(-DWITH_LIBRAW)
 	endif()
 endif(ENABLE_RAW)
