SPDX: Convert all of our single license tags to Linux Kernel style

[platform/kernel/u-boot.git] / examples / api / Makefile

diff --git a/examples/api/Makefile b/examples/api/Makefile
index cad10a3..476ca71 100644 (file)
--- a/examples/api/Makefile
+++ b/examples/api/Makefile
@@ -1,8 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2007 Semihalf
-#
-# SPDX-License-Identifier:     GPL-2.0+
-#
+
+# Provide symbol API_BUILD to signal that the API example is being built.
+KBUILD_CPPFLAGS += -DAPI_BUILD
 
 ifeq ($(ARCH),powerpc)
 LOAD_ADDR = 0x40000
@@ -10,60 +11,60 @@ endif
 ifeq ($(ARCH),arm)
 LOAD_ADDR = 0x1000000
 endif
-
-include $(TOPDIR)/config.mk
+ifeq ($(ARCH),mips)
+ifdef CONFIG_64BIT
+LOAD_ADDR = 0xffffffff80200000
+else
+LOAD_ADDR = 0x80200000
+endif
+endif
 
 # Resulting ELF and binary exectuables will be named demo and demo.bin
-OUTPUT = $(obj)demo
+extra-y = demo
 
 # Source files located in the examples/api directory
-SOBJ_FILES-y += crt0.o
-COBJ_FILES-y += demo.o
-COBJ_FILES-y += glue.o
-COBJ_FILES-y += libgenwrap.o
+OBJ-y += crt0.o
+OBJ-y += demo.o
+OBJ-y += glue.o
+OBJ-y += libgenwrap.o
 
 # Source files which exist outside the examples/api directory
-EXT_COBJ_FILES-y += lib/crc32.o
-EXT_COBJ_FILES-y += lib/ctype.o
-EXT_COBJ_FILES-y += lib/div64.o
-EXT_COBJ_FILES-y += lib/string.o
-EXT_COBJ_FILES-y += lib/time.o
-EXT_COBJ_FILES-y += lib/vsprintf.o
-EXT_SOBJ_FILES-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o
-
-# 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 $(SRCTREE)/examples/api/,$(COBJ_FILES-y:.o=.c))
-SRCS   += $(addprefix $(SRCTREE)/examples/api/,$(SOBJ_FILES-y:.o=.S))
+EXT_COBJ-y += lib/crc32.o
+EXT_COBJ-y += lib/ctype.o
+EXT_COBJ-y += lib/div64.o
+EXT_COBJ-y += lib/string.o
+EXT_COBJ-y += lib/time.o
+EXT_COBJ-y += lib/vsprintf.o
+EXT_COBJ-y += lib/charset.o
+EXT_COBJ-$(CONFIG_LIB_UUID) += lib/uuid.o
+EXT_SOBJ-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o
+ifeq ($(ARCH),arm)
+EXT_SOBJ-$(CONFIG_USE_ARCH_MEMSET) += arch/arm/lib/memset.o
+endif
 
 # 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)))
-
-all:   $(obj).depend $(OUTPUT)
+OBJS := $(OBJ-y) $(notdir $(EXT_COBJ-y) $(EXT_SOBJ-y))
+targets += $(OBJS)
+OBJS := $(addprefix $(obj)/,$(OBJS))
 
 #########################################################################
 
-$(OUTPUT):     $(OBJS)
-               $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $^ $(PLATFORM_LIBS)
-               $(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null
+quiet_cmd_link_demo = LD      $@
+cmd_link_demo = $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $(filter-out $(PHONY), $^) $(PLATFORM_LIBS)
 
-# Rule to build generic library C files
-$(obj)%.o: $(SRCTREE)/lib/%.c
-       $(CC) -g $(CFLAGS) -c -o $@ $<
+$(obj)/demo: $(OBJS) FORCE
+       $(call if_changed,link_demo)
 
-# Rule to build architecture-specific library assembly files
-$(obj)%.o: $(SRCTREE)/arch/$(ARCH)/lib/%.S
-       $(CC) -g $(CFLAGS) -c -o $@ $<
-
-#########################################################################
+# demo.bin is never genrated. Is this necessary?
+OBJCOPYFLAGS_demo.bin := -O binary
+$(obj)/demo.bin: $(obj)/demo FORCE
+       $(call if_changed,objcopy)
 
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
+# Rule to build generic library C files
+$(addprefix $(obj)/,$(notdir $(EXT_COBJ-y))): $(obj)/%.o: lib/%.c FORCE
+       $(call cmd,force_checksrc)
+       $(call if_changed_rule,cc_o_c)
 
-#########################################################################
+# Rule to build architecture-specific library assembly files
+$(addprefix $(obj)/,$(notdir $(EXT_SOBJ-y))): $(obj)/%.o: arch/$(ARCH)/lib/%.S FORCE
+       $(call if_changed_dep,as_o_S)