2012-04-24  Chao-ying Fu  <fu@mips.com>

	* config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
	(mips*-*-linux*): Append mips/linux-common.h to tm_file.
	* config/mips/gnu-user.h
	(SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
	(GNU_USER_TARGET_LINK_SPEC): New define.
	(LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
	(LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
	(GNU_USER_TARGET_MATHFILE_SPEC): New define.
	(ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
	GNU_USER_TARGET_ENDFILE_SPEC.
	* config/mips/gnu-user64.h (LIB_SPEC): Remove.
	(GNU_USER_TARGET_LINK_SPEC): New define.
	(LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
	* config/mips/linux-common.h: New file.

From-SVN: r186777