Specifies the location of the GNU linker, ld.
is the path and filename of the GNU linker.
During configuration, the compiler attempts to determine the location of the GNU linker used by GCC. If the compiler is unable to determine the location, or if you want to override the normal path to the GNU linker, you can specify its location by using the --configure_gld=path option. The path is the full path and filename of the GNU ld binary.