gentoo-overlay/media-gfx/rawtherapee/files/rawtherapee-4.2-cxx11.patch

From 39ef59ddeb7679c71274b1da3faadd395b650c73 Mon Sep 17 00:00:00 2001
From: Adam Reichold <adam.reichold@t-online.de>
Date: Sun, 29 Nov 2015 11:48:30 +0100
Subject: [PATCH] Build with '-std=c++11' if libsigc++ version 2.5.1 is used as
 it does require it.

---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dd5fcbc..6153484 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -278,10 +278,10 @@ if (OPTION_OMP)
     endif (OPENMP_FOUND)
 endif (OPTION_OMP)
 
-if(USE_EXPERIMENTAL_LANG_VERSIONS)
+if(USE_EXPERIMENTAL_LANG_VERSIONS OR NOT (SIGC_VERSION VERSION_LESS 2.5.1))
 	SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu1x")
 	SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
-endif (USE_EXPERIMENTAL_LANG_VERSIONS)
+endif ()
 
 # find out whether we are building out of source
 get_filename_component(ABS_SOURCE_DIR "${PROJECT_SOURCE_DIR}" ABSOLUTE)