build: Use portable abstraction for linker/hostcc output file syntax

Makefile

@@ -91,7 +91,7 @@ FF_DEP_LIBS  := $(DEP_LIBS)
 all: $(PROGS)
 
 $(TOOLS): %$(EXESUF): %.o
-	$(LD) $(LDFLAGS) -o $@ $< $(ELIBS)
+	$(LD) $(LDFLAGS) $(LD_O) $< $(ELIBS)
 
 tools/cws2fws$(EXESUF): ELIBS = -lz
 
@@ -135,7 +135,7 @@ endef
 $(foreach P,$(PROGS-yes),$(eval $(call DOPROG,$(P))))
 
 $(PROGS): %$(EXESUF): %.o cmdutils.o $(FF_DEP_LIBS)
-	$(LD) $(LDFLAGS) -o $@ $(OBJS-$*) cmdutils.o $(FF_EXTRALIBS)
+	$(LD) $(LDFLAGS) $(LD_O) $(OBJS-$*) cmdutils.o $(FF_EXTRALIBS)
 
 OBJDIRS += tools
 

common.mak

@@ -38,7 +38,7 @@ $(HOSTOBJS): %.o: %.c
 	$(call COMPILE,HOSTCC)
 
 $(HOSTPROGS): %$(HOSTEXESUF): %.o
-	$(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
+	$(HOSTCC) $(HOSTLDFLAGS) $(HOSTCC_O) $< $(HOSTLIBS)
 
 $(OBJS):     | $(sort $(dir $(OBJS)))
 $(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))

library.mak

@@ -35,14 +35,14 @@ install-libs-$(CONFIG_SHARED): install-lib$(NAME)-shared
 
 define RULES
 $(EXAMPLES) $(TESTPROGS) $(TOOLS): %$(EXESUF): %.o
-	$$(LD) $(LDFLAGS) -o $$@ $$^ -l$(FULLNAME) $(FFEXTRALIBS) $$(ELIBS)
+	$$(LD) $(LDFLAGS) $$(LD_O) $$^ -l$(FULLNAME) $(FFEXTRALIBS) $$(ELIBS)
 
 $(SUBDIR)$(SLIBNAME): $(SUBDIR)$(SLIBNAME_WITH_MAJOR)
 	$(Q)cd ./$(SUBDIR) && $(LN_S) $(SLIBNAME_WITH_MAJOR) $(SLIBNAME)
 
 $(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(OBJS) $(SUBDIR)lib$(NAME).ver $(DEP_LIBS)
 	$(SLIB_CREATE_DEF_CMD)
-	$$(LD) $(SHFLAGS) $(LDFLAGS) -o $$@ $$(filter %.o,$$^) $(FFEXTRALIBS) $(EXTRAOBJS)
+	$$(LD) $(SHFLAGS) $(LDFLAGS) $$(LD_O) $$(filter %.o,$$^) $(FFEXTRALIBS) $(EXTRAOBJS)
 	$(SLIB_EXTRA_CMD)
 
 clean::