/usr/include/x86_64-linux-gnu/bits/socket.h: In function '_X16_operator_assignFS7cmsghdr_S7cmsghdrS7cmsghdr_autogen___1': /usr/include/x86_64-linux-gnu/bits/socket.h:285:44: note: the ABI of passing struct with a flexible array member has changed in GCC 4.4 Includes.cfa: In function '_X4mainFi_iPPKc__1': Includes.cfa:186:9: note: #pragma message: Compiled