What is GCC option? When you invoke GCC, it normally does preprocessing, compilation, assembly and linking. The “overall options” allow you to stop this process at an intermediate stage. For example, the -c option says not to run the linker.
What is rpath in Linux? In computing, rpath designates the run-time search path hard-coded in an executable file or library. Dynamic linking loaders use the rpath to find required libraries. Specifically, it encodes a path to shared libraries into the header of an executable (or another shared library).
What is Ld_preload? LD_PRELOAD is an optional environmental variable containing one or more paths to shared libraries, or shared objects, that the loader will load before any other shared library including the C runtime library (libc.so) This is called preloading a library.
What is Ldconfig in Linux? ldconfig is a utility that indexes shared object names to simplify loading on shared object libraries by executables. It scans standard directories and those found in the ld. so. conf configuration file and stores its index in ld.