CheckStructHasMember¶
Check if the given struct or class has the specified member variable
- 
CHECK_STRUCT_HAS_MEMBER¶
- CHECK_STRUCT_HAS_MEMBER(<struct> <member> <header> <variable> [LANGUAGE <language>]) - <struct> - the name of the struct or class you are interested in <member> - the member which existence you want to check <header> - the header(s) where the prototype should be declared <variable> - variable to store the result <language> - the compiler to use (C or CXX) 
The following variables may be set before calling this macro to modify the way the check is run:
- CMAKE_REQUIRED_FLAGS
- string of compile command line flags. 
- CMAKE_REQUIRED_DEFINITIONS
- list of macros to define (-DFOO=bar). 
- CMAKE_REQUIRED_INCLUDES
- list of include directories. 
- CMAKE_REQUIRED_LINK_OPTIONS
- New in version 3.14: list of options to pass to link command. 
- CMAKE_REQUIRED_LIBRARIES
- list of libraries to link. 
- CMAKE_REQUIRED_QUIET
- New in version 3.1: execute quietly without messages. 
Example:
CHECK_STRUCT_HAS_MEMBER("struct timeval" tv_sec sys/select.h
                        HAVE_TIMEVAL_TV_SEC LANGUAGE C)
