API: Convert conditional building to the new scheme.

This fixes a build breakage with CONFIG_API enabled, which appeared after
the recent changes in the U-Boot build system.

Signed-off-by: Rafal Jaworowski <raj@semihalf.com>

Makefile

@@ -253,9 +253,7 @@ LIBS += $(shell if [ -d post/board/$(BOARDDIR) ]; then echo \
 	"post/board/$(BOARDDIR)/libpost$(BOARD).a"; fi)
 LIBS += common/libcommon.a
 LIBS += libfdt/libfdt.a
-ifeq ($(CONFIG_API),y)
 LIBS += api/libapi.a
-endif
 
 LIBS := $(addprefix $(obj),$(LIBS))
 .PHONY : $(LIBS)
@@ -266,11 +264,8 @@ PLATFORM_LIBS += -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -
 # The "tools" are needed early, so put this first
 # Don't include stuff already done in $(LIBS)
 SUBDIRS	= tools \
-	  examples
-
-ifeq ($(CONFIG_API),y)
-SUBDIRS += api_examples
-endif
+	  examples \
+	  api_examples
 
 .PHONY : $(SUBDIRS)
 

api/Makefile

@@ -24,13 +24,12 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)libapi.a
 
-COBJS	= api.o api_net.o api_storage.o api_platform-$(ARCH).o
+COBJS-$(CONFIG_API) += api.o api_net.o api_storage.o api_platform-$(ARCH).o
 
+COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 
-all:	$(LIB)
-
 $(LIB):	$(obj).depend $(OBJS)
 	$(AR) $(ARFLAGS) $@ $(OBJS)
 

api_examples/Makefile

@@ -30,19 +30,25 @@ endif
 
 include $(TOPDIR)/config.mk
 
-ELF	+= demo
-BIN	+= demo.bin
+ELF-$(CONFIG_API) += demo
+BIN-$(CONFIG_API) += demo.bin
+ELF	:= $(ELF-y)
+BIN	:= $(BIN-y)
 
 #CFLAGS += -v
 
-COBJS	:= $(ELF:=.o)
-SOBJS	:= crt0.o
+COBJS-$(CONFIG_API) += $(ELF:=.o)
+SOBJS-$(CONFIG_API) += crt0.o
 ifeq ($(ARCH),ppc)
-SOBJS	+= ppcstring.o
+SOBJS-$(CONFIG_API) += ppcstring.o
 endif
+COBJS	:= $(COBJS-y)
+SOBJS	:= $(SOBJS-y)
 
 LIB	= $(obj)libglue.a
-LIBCOBJS= glue.o crc32.o ctype.o string.o vsprintf.o libgenwrap.o
+LIBCOBJS-$(CONFIG_API) += glue.o crc32.o ctype.o string.o vsprintf.o \
+				libgenwrap.o
+LIBCOBJS := $(LIBCOBJS-y)
 
 LIBOBJS	= $(addprefix $(obj),$(SOBJS) $(LIBCOBJS))
 
@@ -55,7 +61,7 @@ gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
 
 CPPFLAGS += -I..
 
-all:	$(obj).depend $(OBJS) $(LIB) $(BIN) $(ELF)
+all:	$(obj).depend $(OBJS) $(LIB) $(ELF) $(BIN)
 
 #########################################################################
 $(LIB):	$(obj).depend $(LIBOBJS)