Fix makefile, gitignore and a stray extern declaration

.gitignore

@@ -190,6 +190,8 @@ _build
 /runtime/.gdb_history
 /runtime/*.d.c
 /runtime/*.pic.c
+/runtime/domain_state32.inc
+/runtime/domain_state64.inc
 
 /stdlib/camlheader
 /stdlib/target_camlheader
@@ -258,6 +260,8 @@ _build
 /tools/caml-tex
 
 /utils/config.ml
+/utils/domainstate.ml
+/utils/domainstate.mli
 
 /yacc/ocamlyacc
 /yacc/version.h

Makefile

@@ -903,10 +903,6 @@ ocamlopt.opt: compilerlibs/ocamlcommon.cmxa compilerlibs/ocamloptcomp.cmxa \
               $(OPTSTART:.cmo=.cmx)
 	$(CAMLOPT_CMD) $(LINKFLAGS) -o $@ $^
 
-ocamlopt.d.opt: compilerlibs/ocamlcommon.cmxa compilerlibs/ocamloptcomp.cmxa \
-              $(OPTSTART:.cmo=.cmx)
-	$(CAMLOPT_CMD) -runtime-variant d -I runtime $(LINKFLAGS) -o $@ $^
-
 partialclean::
 	rm -f ocamlopt.opt
 

runtime/caml/domain.h

@@ -28,8 +28,6 @@ void caml_init_domain(void);
 
 #endif /* CAML_INTERNALS */
 
-CAMLextern caml_domain_state* Caml_state;
-
 #ifdef __cplusplus
 }
 #endif