* Makefile.in (config-stamp): If `defs' is defined, emit a preprocessor

* Makefile.in (config-stamp): If `defs' is defined, emit a preprocessor
directive to create a macro named by this value into config.new; don't
explicitly go for BFD_ASSEMBLER.
* configure.in: Define `defs', not `BFDDEF'.  Set it to MANY_SEGMENTS for any
obj-coffbfd target.
* config/obj-coffbfd.h (BFD_HEADERS, BFD): Define.
* config/i386coff.mt (TDEFINES): Don't define BFD, MANY_SEGMENTS, BFD_HEADERS.
(LOCAL_LOADLIBES): Deleted.
* config/m68kcoff.mt (TDEFINES): Don't define those macros.
* config/m88kcoff.mt (TDEFINES): Ditto.
* config/ebmon29k.mt: Deleted.
* config/h8300hds.mt: Deleted.
* config/ic960coff.mt: Deleted.
* config/sparc.mt: Deleted.
* config/h8300.mt (LOCAL_LOADLIBES, TDEFINES): Deleted.
* config/h8500.mt (LOCAL_LOADLIBES, TDEFINES): Deleted.
* config/sh.mt (LOCAL_LOADLIBES, TDEFINES): Deleted.
* config/z8k.mt (LOCAL_LOADLIBES): Deleted.
(TDEFINES): Don't define the coffbfd macros.

* Makefile.in: Insert makefile fragments before OBJS definition.
(OBJS): Add $(TE_OBJS).