With gcc 4.9.2 on hypnos (HZDR) I get the following warning during build of PIConGPU:
src/picongpu/include/plugins/IsaacPlugin.hpp:386:1561: required from here
src/isaac/insitu/isaac.hpp:378:567:
warning: missing initializer for member ‘isaac::clipping_struct::elem’
[-Wmissing-field-initializers] TScale scale
With gcc 4.9.2 on hypnos (HZDR) I get the following warning during build of PIConGPU:
isaac version: 7e64d00dbfffc30c157ad17626d2a00f994ccc56 PIConGPU version: https://github.com/theZiz/picongpu/commit/70c0593ac00a58db88fca3b6fcf72aeadf1660f6
(Not sure if this is actually in the PIConGPU repo/branch I linked.)