--- CMakeLists.txt.orig 2019-04-27 11:52:23.662827459 -0700 +++ CMakeLists.txt 2019-04-27 11:52:56.324140001 -0700 @@ -30,7 +30,7 @@ # This only works in cmake >3.1 #set_property(TARGET inspectrum PROPERTY CXX_STANDARD 11) -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") list(APPEND inspectrum_sources abstractsamplesource.cpp