From: Julian Ospald <hasufell@gentoo.org>
Date: Thu Dec 27 22:58:59 UTC 2012
Subject: build system

	only enable Werror for development

--- CMakeLists.txt
+++ CMakeLists.txt
@@ -5,6 +5,10 @@
 
 cmake_minimum_required( VERSION 2.6 )
 
+# options
+option(WERROR "enable -Werror for development" OFF)
+option(ECHONEST_BUILD_TESTS "Build all unit tests" ON)
+
 set( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_TO_ASCII" )
 
@@ -32,8 +36,12 @@
     endif()
 
     # disable -Werror on ARM since Qt containers cause a lot of alignment warnings
-    if ( NOT CMAKE_SYSTEM_PROCESSOR MATCHES "arm" )
-        add_definitions( -Werror )
+    if (WERROR)
+        if ( NOT CMAKE_SYSTEM_PROCESSOR MATCHES "arm" )
+            add_definitions( -Werror )
+	else()
+            message( STATUS "-Werror breaks this package on ARM, disabled!" )
+        endif()
     endif()
 
 # to be added:
@@ -48,8 +56,6 @@
 endif(MSVC)
 
 
-option(ECHONEST_BUILD_TESTS "Build all unit tests" ON)
-
 if(ECHONEST_BUILD_TESTS)
   enable_testing()
 endif(ECHONEST_BUILD_TESTS)