* config/netbsd.h (TARGET_HAS_F_SETLKW): define.
Split a.out-specific bits into...
* config/netbsd-aout.h: ...this.
* config/netbsd-elf.h: New file.
* config/alpha/netbsd-elf.h: Remove.
* config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
* config/i386/netbsd-elf.h (LIB_SPEC): Remove.
(STARTFILE_SPEC): Remove redundant definition.
(ENDFILE_SPEC): Likewise.
(LINK_SPEC): Likewise.
(CPP_SPEC): Likewise.
(ASM_SPEC): Likewise.
(LIB_SPEC): Likewise.
(SWITCH_TAKES_ARG): Likewise.
(TARGET_MEM_FUNCTIONS): Likewise.
(CPP_PREDEFINES): Redefine.
(ASM_FINAL_SPEC): Remove redefinition.
(ASM_COMMENT_START): Redefine.
(FUNCTION_PROFILER): Define.
(TARGET_VERSION): Redefine.
Comment and formatting cleanup.
* config/i386/netbsd.h: Include <netbsd-aout.h>.
* config/m68k/netbsd.h: Include <netbsd-aout.h>.
* config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
big- or little-endian.
* config/ns32k/netbsd.h: Include <netbsd-aout.h>.
* config.gcc (*-*-netbsd*): Add definitions common to all
NetBSD configs.
(alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
gnu_ld definitions.  Add netbsd-elf.h to and remove
alpha/netbsd-elf.h from tm_file.  Remove alpha/t-crtfm from
tmake_file, and don't lose previous tmake_file contents.
(arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
(i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
gnu_ld definitions.  Add netbsd-elf.h to tm_file.
(mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
(mipsel-*-netbsd*): Rename this to...
(mips*-*-netbsd*): ...this.  Add elfos.h to tm_file.  Add
mips/little.h to tm_file for mips*el-*.
(powerpc-*-netbsd*): Remove redundant xm_defines definition.
(sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
(vax-*-netbsd*): Add netbsd-aout.h to tm_file.

From-SVN: r49064