builds: use GLIBCXX11 ABI

This should enable builds with GCC4 that link against libraries like boost which were built with GCC5.
gnuradio · Jul 2, 2016 · e5fec2a · e5fec2a
1 parent 9bb0e75
commit e5fec2a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -27,6 +27,7 @@ enable_testing()
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+add_definitions(-D_GLIBCXX_USE_CXX11_ABI=1)
 
 set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) #allows this to be a sub-project
 set(CMAKE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) #allows this to be a sub-project