Switch Clementine to FindBacktrace.cmake
Index: ext/libclementine-common/CMakeLists.txt
--- ext/libclementine-common/CMakeLists.txt.orig
+++ ext/libclementine-common/CMakeLists.txt
@@ -39,4 +39,11 @@ target_link_libraries(libclementine-common
 )
 
 find_package(Backtrace)
-configure_file(core/conf_backtrace.h.in conf_backtrace.h)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
+               ${CMAKE_CURRENT_BINARY_DIR}/config.h)
+if(Backtrace_FOUND)
+  include_directories(${Backtrace_INCLUDE_DIRS})
+  target_link_libraries(libclementine-common ${Backtrace_LIBRARIES})
+  configure_file(core/conf_backtrace.h.in conf_backtrace.h)
+endif(Backtrace_FOUND)
+
