fs: Move conditional compilation to Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/fs/cramfs/Makefile b/fs/cramfs/Makefile
index 13c043f..7b6cc0a 100644
--- a/fs/cramfs/Makefile
+++ b/fs/cramfs/Makefile
@@ -26,10 +26,11 @@
 LIB	= $(obj)libcramfs.a
 
 AOBJS	=
-COBJS	= cramfs.o uncompress.o
+COBJS-$(CONFIG_CMD_CRAMFS) := cramfs.o
+COBJS-$(CONFIG_CMD_CRAMFS) += uncompress.o
 
-SRCS	:= $(AOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(AOBJS) $(COBJS))
+SRCS	:= $(AOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(AOBJS) $(COBJS-y))
 
 #CPPFLAGS +=
 
diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index e53c783..2956d39 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -26,9 +26,6 @@
 
 #include <common.h>
 #include <malloc.h>
-
-#if defined(CONFIG_CMD_CRAMFS)
-
 #include <asm/byteorder.h>
 #include <linux/stat.h>
 #include <jffs2/jffs2.h>
@@ -343,5 +340,3 @@
 	}
 	return 1;
 }
-
-#endif /* CFG_FS_CRAMFS */
diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index cf67967..39dd275 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -25,8 +25,6 @@
 #include <watchdog.h>
 #include <zlib.h>
 
-#if defined(CONFIG_CMD_CRAMFS)
-
 static z_stream stream;
 
 void *zalloc(void *, unsigned, unsigned);
@@ -86,5 +84,3 @@
 	inflateEnd (&stream);
 	return 0;
 }
-
-#endif /* CFG_FS_CRAMFS */