Btrfs: Add sparse checking to Makefile
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index ea9b666..078061c 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -3,8 +3,13 @@
headers = radix-tree.h ctree.h disk-io.h kerncompat.h print-tree.h
objects = ctree.o disk-io.o radix-tree.o mkfs.o extent-tree.o print-tree.o
-#.c.o:
-# $(CC) $(CFLAGS) -c $<
+# if you don't have sparse installed, use ls instead
+check=sparse
+#check=ls
+
+.c.o:
+ $(check) $<
+ $(CC) $(CFLAGS) -c $<
all: tester debug-tree
diff --git a/fs/btrfs/debug-tree.c b/fs/btrfs/debug-tree.c
index b2c5abf..21f607d 100644
--- a/fs/btrfs/debug-tree.c
+++ b/fs/btrfs/debug-tree.c
@@ -6,7 +6,7 @@
#include "disk-io.h"
#include "print-tree.h"
-int main() {
+int main(int ac, char **av) {
struct ctree_super_block super;
struct ctree_root *root;
radix_tree_init();