skin_parser: Modernize Makefile.

- Avoid use of uname, instead ask the compiler about the binaries it
  creates.
- Move platform specific commands used into functions.
- Replace use of echo with make functions.

Change-Id: I365f656e02ddb90ee91ae60fec1230b4aaaf224f

lib/skin_parser/Makefile

@@ -15,9 +15,18 @@ AR ?= ar
 OUTPUT=libskin_parser
 TARGET_DIR ?= ./
 
+ifeq ($(OS),Windows_NT)
+mkdir = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))
+rm = if exist $(subst /,\,$(1)) del /q /s $(subst /,\,$(1))
+else
+mkdir = mkdir -p $(1)
+rm = rm -rf $(1)
+endif
+
+CPPDEFINES := $(shell echo foo | $(CC) -dM -E -)
+
 # construct build directory if BUILDDIR is not set.
 BUILDDIR ?= $(TARGET_DIR)build
-TARGETPLATFORM ?= $(shell uname)
 
 CFLAGS += -D__PCTOOL__
 ifdef RBARCH
@@ -34,20 +43,20 @@ OBJS := $(patsubst %.c,%.o,$(addprefix $(OBJDIR),$(SOURCES)))
 all: $(OUTPUT).a
 
 $(OBJDIR)%.o: %.c
-	@echo CC $<
-	$(SILENT)mkdir -p $(dir $@)
+	$(info CC $<)
+	$(SILENT)$(call mkdir,$(dir $@))
 	$(SILENT)$(CC) $(CFLAGS) -c -o $@ $<
 
 ifeq ($(findstring Darwin,$(TARGETPLATFORM)),Darwin)
 # some trickery to build ppc and i386 from a single call
 $(OUTPUT).a: $(TARGET_DIR)$(OUTPUT)i386.a $(TARGET_DIR)$(OUTPUT)ppc.a
-	@echo lipo $(TARGET_DIR)$@
-	$(SILENT) rm -f $(TARGET_DIR)$(OUTPUT)
+	$(info lipo $(TARGET_DIR)$@)
+	$(SILENT)$(call rm,$(TARGET_DIR)$(OUTPUT))
 	$(SILENT)lipo -create $(TARGET_DIR)$(OUTPUT)ppc.a $(TARGET_DIR)$(OUTPUT)i386.a -output $(TARGET_DIR)$(OUTPUT).a
 
 ifneq ($(RBARCH),)
 $(OUTPUT)$(RBARCH).a: $(OBJS)
-	@echo AR $@
+	$(info AR $@)
 	$(SILENT)$(AR) ruc $(TARGET_DIR)$@ $^
 else
 $(TARGET_DIR)$(OUTPUT)i386.a:
@@ -58,12 +67,10 @@ $(TARGET_DIR)$(OUTPUT)ppc.a:
 endif
 else
 $(OUTPUT).a: $(OBJS)
-	@echo AR $@
+	$(info AR $@)
 	$(SILENT)$(AR) ruc $(TARGET_DIR)$@ $^
 endif
 
 clean:
-	rm -f $(OBJS) $(OUTPUT) $(TARGET_DIR)$(OUTPUT)*.a
-ifeq ($(findstring Darwin,$(shell uname)),Darwin)
-endif
+	$(call rm,$(OBJS) $(OUTPUT) $(TARGET_DIR)$(OUTPUT)*.a)