- if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") # don't care about class that become struct
- set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-mismatched-tags")
+ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+ # don't care about class that become struct, avoid issue of empty C structs
+ # size (coming from libunwind.h)
+ set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-mismatched-tags -Wno-extern-c-compat")