diff options
Diffstat (limited to 'api_examples/Makefile')
| -rw-r--r-- | api_examples/Makefile | 90 |
1 files changed, 36 insertions, 54 deletions
diff --git a/api_examples/Makefile b/api_examples/Makefile index 4c01437..2a30bef 100644 --- a/api_examples/Makefile +++ b/api_examples/Makefile @@ -29,74 +29,56 @@ endif include $(TOPDIR)/config.mk -ELF-$(CONFIG_API) += demo -BIN-$(CONFIG_API) += demo.bin -ELF := $(ELF-y) -BIN := $(BIN-y) - -#CFLAGS += -v - -COBJS-$(CONFIG_API) += $(ELF:=.o) -SOBJS-$(CONFIG_API) += crt0.o +# Resulting ELF and binary exectuables will be named demo and demo.bin +OUTPUT-$(CONFIG_API) = $(obj)demo +OUTPUT = $(OUTPUT-y) + +# Source files located in the api_examples directory +SOBJ_FILES-$(CONFIG_API) += crt0.o +COBJ_FILES-$(CONFIG_API) += demo.o +COBJ_FILES-$(CONFIG_API) += glue.o +COBJ_FILES-$(CONFIG_API) += libgenwrap.o + +# Source files which exist outside the api_examples directory +EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/crc32.o +EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/ctype.o +EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/string.o +EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/vsprintf.o ifeq ($(ARCH),ppc) -SOBJS-$(CONFIG_API) += ppcstring.o +EXT_SOBJ_FILES-$(CONFIG_API) += lib_ppc/ppcstring.o endif -COBJS := $(COBJS-y) -SOBJS := $(SOBJS-y) - -LIB = $(obj)libglue.a -LIBCOBJS-$(CONFIG_API) += glue.o crc32.o ctype.o string.o vsprintf.o \ - libgenwrap.o -LIBCOBJS := $(LIBCOBJS-y) -LIBOBJS = $(addprefix $(obj),$(SOBJS) $(LIBCOBJS)) +# Create a list of source files so their dependencies can be auto-generated +SRCS += $(addprefix $(SRCTREE)/,$(EXT_COBJ_FILES-y:.o=.c)) +SRCS += $(addprefix $(SRCTREE)/,$(EXT_SOBJ_FILES-y:.o=.S)) +SRCS += $(addprefix $(SRCTREE)/api_examples/,$(COBJ_FILES-y:.o=.c)) +SRCS += $(addprefix $(SRCTREE)/api_examples/,$(SOBJ_FILES-y:.o=.S)) -SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(SOBJS:.o=.S) -OBJS := $(addprefix $(obj),$(COBJS)) -ELF := $(addprefix $(obj),$(ELF)) -BIN := $(addprefix $(obj),$(BIN)) +# Create a list of object files to be compiled +OBJS += $(addprefix $(obj),$(SOBJ_FILES-y)) +OBJS += $(addprefix $(obj),$(COBJ_FILES-y)) +OBJS += $(addprefix $(obj),$(notdir $(EXT_COBJ_FILES-y))) +OBJS += $(addprefix $(obj),$(notdir $(EXT_SOBJ_FILES-y))) gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`) CPPFLAGS += -I.. -all: $(obj).depend $(OBJS) $(LIB) $(ELF) $(BIN) +all: $(obj).depend $(OUTPUT) ######################################################################### -$(LIB): $(obj).depend $(LIBOBJS) - $(AR) $(ARFLAGS) $@ $(LIBOBJS) - -$(ELF): -$(obj)%: $(obj)%.o $(LIB) - $(LD) $(obj)crt0.o -Ttext $(LOAD_ADDR) \ - -o $@ $< $(LIB) \ - -L$(gcclibdir) -lgcc - -$(BIN): -$(obj)%.bin: $(obj)% - $(OBJCOPY) -O binary $< $@ 2>/dev/null -$(obj)crc32.c: - @rm -f $(obj)crc32.c - ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c +$(OUTPUT): $(OBJS) + $(LD) -Ttext $(LOAD_ADDR) -o $@ $^ -L$(gcclibdir) -lgcc + $(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null -$(obj)ctype.c: - @rm -f $(obj)ctype.c - ln -s $(src)../lib_generic/ctype.c $(obj)ctype.c +# Rule to build generic library C files +$(obj)%.o: $(SRCTREE)/lib_generic/%.c + $(CC) -g $(CFLAGS) -c -o $@ $< -$(obj)string.c: - @rm -f $(obj)string.c - ln -s $(src)../lib_generic/string.c $(obj)string.c - -$(obj)vsprintf.c: - @rm -f $(obj)vsprintf.c - ln -s $(src)../lib_generic/vsprintf.c $(obj)vsprintf.c - -ifeq ($(ARCH),ppc) -$(obj)ppcstring.S: - @rm -f $(obj)ppcstring.S - ln -s $(src)../lib_ppc/ppcstring.S $(obj)ppcstring.S -endif +# Rule to build architecture-specific library assembly files +$(obj)%.o: $(SRCTREE)/lib_$(ARCH)/%.S + $(CC) -g $(CFLAGS) -c -o $@ $< ######################################################################### |