> > If you can make a simple test program that triggers the above warning > send it to me and I will make cmake turn off strict aliasing globally if the > compiler is too old.. > > Jason > Hey Jason, Attached is bar.c, that if you build in libibverbs/examples, will show these two warnings. EG: index dc4c497..84b5813 100644 --- a/libibverbs/examples/CMakeLists.txt +++ b/libibverbs/examples/CMakeLists.txt @@ -26,3 +26,4 @@ target_link_libraries(ibv_ud_pingpong LINK_PRIVATE ibverbs ibverbs_tools) rdma_executable(ibv_xsrq_pingpong xsrq_pingpong.c) target_link_libraries(ibv_xsrq_pingpong LINK_PRIVATE ibverbs ibverbs_tools) +rdma_executable(bar bar.c) ---- [ 84%] Building C object libibverbs/examples/CMakeFiles/bar.dir/bar.c.o /root/stevo/rdma-core/libibverbs/examples/bar.c: In function 'bar': /root/stevo/rdma-core/libibverbs/examples/bar.c:67: warning: comparison of unsigned expression < 0 is always false /root/stevo/rdma-core/libibverbs/examples/bar.c: In function 'main': /root/stevo/rdma-core/libibverbs/examples/bar.c:43: warning: dereferencing pointer 'sgid.103' does break strict-aliasing rules /root/stevo/rdma-core/libibverbs/examples/bar.c:42: warning: dereferencing pointer 'sgid.103' does break strict-aliasing rules /root/stevo/rdma-core/libibverbs/examples/bar.c:41: warning: dereferencing pointer 'sgid.103' does break strict-aliasing rules /root/stevo/rdma-core/libibverbs/examples/bar.c:44: warning: dereferencing pointer 'sgid.103' does break strict-aliasing rules /root/stevo/rdma-core/libibverbs/examples/bar.c:51: note: initialized from here Linking C executable ../../bin/bar --- Thanks! Steve.
Attachment:
bar.c
Description: Binary data
