create (unused) thread.[ch] files.

I am still unsure if I will go for thread or process...

Makefile

@@ -39,9 +39,7 @@ OBJ       := $(addprefix $(OBJDIR)/,$(SRC_FN:.c=.o))
 TSTSRC    := $(wildcard $(TSTDIR)/*.c)
 
 LIB       := br_$(shell uname -m)                           # library name
-LIB       := $(strip $(LIB))
+LIBS      := $(strip -l$(LIB))
-LIBFILE   := ${BRLIBDIR}/lib$(strip ${LIB}).a
-LIBS      := $(addprefix -l,$(strip $(LIB)))
 
 DEP_FN    := $(SRC_FN)
 DEP       := $(addprefix $(DEPDIR)/,$(DEP_FN:.c=.d))
@@ -104,7 +102,7 @@ endif
 # if no version, use last commit and date.
 # else, if last commit != last tag commit, add commit and date to version number
 ifeq ($(VERSION),)
-  VERSION := $(build)-git.$(COMMIT)-$(DATE)
+  VERSION := $(build)-$(COMMIT)-$(DATE)
 else ifneq ($(COMMIT), $(TAG_COMMIT))
   VERSION := $(VERSION)-next-$(build)-$(COMMIT)-$(DATE)
 endif
@@ -346,7 +344,6 @@ brlib:
 	$(info calling with build=$(build))
 	$(MAKE) -e -C $(BRLIB) lib-static
 unexport build
-
 ##################################### brchess binaries
 .PHONY: targets cleanbin cleanbindir
 
@@ -358,9 +355,9 @@ cleanbin:
 cleanbindir:
 	$(call rmdir,$(BINDIR),binaries)
 
-$(TARGET): $(LIBFILE) $(OBJ) | $(BINDIR) libs
+$(TARGET): libs $(OBJ) | $(BINDIR)
 	@echo linking $@.
-	$(CC) $(ALL_LDFLAGS) $(OBJ) -o $@
+	$(CC) $(LDFLAGS) $(OBJ) $(LIBS) -o $@
 
 ##################################### pre-processed (.i) and assembler (.s) output
 .PHONY: cleanasmcpp
@@ -418,7 +415,7 @@ TEST          += movedo-test perft-test tt-test
 PIECE_OBJS    := piece.o
 FEN_OBJS      := $(PIECE_OBJS) fen.o position.o bitboard.o board.o \
 	hq.o attack.o hash.o init.o util.o alloc.o move.o \
-	eval.o eval-defs.o eval-simple.o hist.o
+	eval.o eval-defs.o eval-simple.o
 BB_OBJS       := $(FEN_OBJS)
 MOVEGEN_OBJS  := $(BB_OBJS) move-gen.o
 ATTACK_OBJS   := $(MOVEGEN_OBJS)
@@ -493,7 +490,6 @@ wtf:
 	@#echo LIBSRC=$(LIBSRC)
 
 zob:
-	echo $(LIBFILE)
 	@#$(CC) $(LDFLAGS) $(CPPFLAGS) $(CFLAGS) $< $(LIBS) src/util.c -o util
 
 ##################################### End of multi-targets

src/move-gen.c

@@ -480,18 +480,3 @@ finish:
     return movelist;
     //return movelist->nmoves = moves - movelist->move;
 }
-
-/**
- * pos_gen_legal() - generate position legal moves
- * @pos: position
- * @movelist: &movelist_t array to store moves
- *
- * Generate all @pos legal moves for player-to-move.
- * @movelist is filled with the moves.
- *
- * @Return: movelist
- */
-movelist_t *pos_gen_legal(pos_t *pos, movelist_t *movelist)
-{
-    return pos_legal(pos, pos_gen_pseudo(pos, movelist));
-}

src/move-gen.h

@@ -27,6 +27,5 @@ movelist_t *pos_legal_dup(const pos_t *pos, movelist_t *pseudo, movelist_t *lega
 movelist_t *pos_legal(const pos_t *pos, movelist_t *list);
 
 movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist);
-movelist_t *pos_gen_legal(pos_t *pos, movelist_t *movelist);
 
 #endif  /* MOVEGEN_H */

src/thread.c

@@ -25,7 +25,6 @@
  */
 thread_pool_t threadpool;
 
-
 /**
  * thrd_create - initialize thrd.
  */