config.host (bfin*-linux-uclibc*): Set extra_parts.

config.host (bfin*-linux-uclibc*): Set extra_parts.

libgcc/:
	* config.host (bfin*-linux-uclibc*): Set extra_parts.
gcc/:
	* config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
	(bfin*-linux-uclibc*): New configuration.
	* config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
	defining.
	* config/bfin/linux.h: New file.
	* config/bfin/libgcc-bfin.ver: New file.
	* config/bfin/t-bfin-uclinux: New file.
	* config/bfin/t-bfin-linux: New file.
	* config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
	(TARGET_OS_CPP_BUILTINS): New macro.

From-SVN: r122552