functions providing most of the native threads API while avoiding name
clashes by transparently prefixing all function names that directly
provide the linuxthreads API.
pthread_attr_t is provided as argument to pthread_create.
liblgcc_r_pic.a no longer exists.
Put the liblgcc_r.a version of __get_eh_info() and __register_frame_info()
into the shared linuxthreads library to avoid using the incompatible
libgcc.a version. Shared libraries that use exceptions still represent a
problem if linked before the linuxthreads library.
Compile liblgcc_r.a before the main linuxthreads library to provide
the object files that contains __get_eh_info() and __register_frame_info().
Add minimal wrappers for native thread library functions used by
5.0-CURRENT libc. The wrappers try to call corresponding functions
in the linuxthreads library after performing argument conversion.
