Move libgcc_tm_file to toplevel libgcc

	gcc:
	* configure.ac (libgcc_tm_file_list, libgcc_tm_include_list):
	Remove.
	* configure: Regenerate.
	* Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list): Remove.
	(TM_H): Remove libgcc_tm.h, $(libgcc_tm_file_list).
	(libgcc_tm.h, cs-libgcc_tm.h): Remove.
	(clean): Remove libgcc_tm.h
	* mkconfig.sh: Don't include libgcc_tm.h in tm.h.
	* config.gcc (libgcc_tm_file): Remove.
	(arm*-*-linux*): Remove libgcc_tm_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Remove libgcc_tm_file for arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf*): Remove libgcc_tm_file.
	(avr-*-rtems*): Likewise.
	(avr-*-*): Likewise.
	(frv-*-elf): Likewise.
	(frv-*-*linux*): Likewise.
	(h8300-*-rtems*): Likewise.
	(h8300-*-elf*): Likewise.
	(i[34567]86-*-darwin*): Likewise.
	(x86_64-*-darwin*): Likewise.
	(rx-*-elf*): Likewise.
	(tic6x-*-elf): Likewise.
	(tic6x-*-uclinux): Likewise.
	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.

	libgcc:
	* configure.ac (tm_file_): New variable.
	Determine from tm_file.
	(tm_file, tm_defines): Substitute.
	* configure: Regenerate.
	* mkheader.sh: New file.
	* Makefile.in (clean): Remove libgcc_tm.h.
	($(objects)): Depend on libgcc_tm.h.
	(libgcc_tm_defines, libgcc_tm_file): New variables.
	(libgcc_tm.h, libgcc_tm.stamp): New targets.
	($(libgcc-objects), $(libgcc-s-objects), $(libgcc-eh-objects))
	($(libgcov-objects), $(libunwind-objects), $(libunwind-s-objects))
	($(extra-parts)): Depend on libgcc_tm.h.
	* config.host (tm_defines, tm_file): New variable.
	(arm*-*-linux*): Set tm_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Set tm_file for arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf*): Set tm_file.
	(avr-*-rtems*): Likewise.
	(avr-*-*): Likewise.
	(frv-*-elf): Likewise.
	(frv-*-*linux*): Likewise.
	(h8300-*-rtems*): Likewise.
	(h8300-*-elf*): Likewise.
	(i[34567]86-*-darwin*): Likewise.
	(x86_64-*-darwin*): Likewise.
	(rx-*-elf): Likewise.
	(tic6x-*-uclinux): Likewise.
	(tic6x-*-elf): Likewise.
	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.
	* config/alpha/gthr-posix.c: Include libgcc_tm.h.
	* config/i386/cygming-crtbegin.c: Likewise.
	* config/i386/cygming-crtend.c: Likewise.
	* config/ia64/fde-vms.c: Likewise.
	* config/ia64/unwind-ia64.c: Likewise.
	* config/libbid/bid_gcc_intrinsics.h: Likewise.
	* config/rs6000/darwin-fallback.c: Likewise.
	* config/stormy16/lib2funcs.c: Likewise.
	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
	* crtstuff.c: Likewise.
	* dfp-bit.h: Likewise.
	* emutls.c: Likewise.
	* fixed-bit.c: Likewise.
	* fp-bit.c: Likewise.
	* generic-morestack-thread.c: Likewise.
	* generic-morestack.c: Likewise.
	* libgcc2.c: Likewise.
	* libgcov.c: Likewise.
	* unwind-dw2-fde-dip.c: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind-dw2.c: Likewise.
	* unwind-sjlj.c: Likewise.

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>

From-SVN: r180775