cmake HAVE_STATIC_ASSERT examples

linux-rdma/rdma-core CMakeLists.txt :607

CHECK_C_SOURCE_COMPILES("
#include <assert.h>
static_assert(1, \"failed\");
int main(int argc,const char *argv[]) {
   static_assert(1, \"failed\");
   return 0;
};" HAVE_STATIC_ASSERT)