Check if the given struct or class has the specified member variable
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:
string of compile command line flags.
list of macros to define (-DFOO=bar).
list of include directories.
New in version 3.14: list of options to pass to link command.
list of libraries to link.
New in version 3.1: execute quietly without messages.
CHECK_STRUCT_HAS_MEMBER("struct timeval" tv_sec sys/select.h HAVE_TIMEVAL_TV_SEC LANGUAGE C)