make
diff --git a/flist.c b/flist.c
+index 09b4fc5..3295724 100644
--- a/flist.c
+++ b/flist.c
-@@ -1214,7 +1214,8 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
- }
+@@ -1268,7 +1268,8 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
#endif
-- if (always_checksum && am_sender && S_ISREG(st.st_mode))
-+ if (always_checksum && am_sender && S_ISREG(st.st_mode)
-+ && !get_sum_xattr(thisname, &st, tmp_sum))
- file_checksum(thisname, tmp_sum, st.st_size);
-
- F_PATHNAME(file) = pathname;
+ if (always_checksum && am_sender && S_ISREG(st.st_mode)) {
+- file_checksum(thisname, tmp_sum, st.st_size);
++ if (!get_sum_xattr(thisname, &st, tmp_sum))
++ file_checksum(thisname, tmp_sum, st.st_size);
+ if (sender_keeps_checksum)
+ extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
+ }
diff --git a/generator.c b/generator.c
+index 12007a1..2587bc9 100644
--- a/generator.c
+++ b/generator.c
-@@ -674,7 +674,8 @@ int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
+@@ -531,7 +531,8 @@ int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
of the file time to determine whether to sync */
if (always_checksum > 0 && S_ISREG(st->st_mode)) {
char sum[MAX_DIGEST_LEN];
diff --git a/support/xsums b/support/xsums
new file mode 100644
+index 0000000..31d2537
--- /dev/null
+++ b/support/xsums
@@ -0,0 +1,118 @@
+EOT
+}
diff --git a/xattrs.c b/xattrs.c
+index 2d0e050..f364a2a 100644
--- a/xattrs.c
+++ b/xattrs.c
-@@ -33,6 +33,8 @@ extern int read_only;
+@@ -34,6 +34,8 @@ extern int read_only;
extern int list_only;
extern int preserve_xattrs;
extern int checksum_seed;
#define RSYNC_XAL_INITIAL 5
#define RSYNC_XAL_LIST_INITIAL 100
-@@ -65,6 +67,8 @@ extern int checksum_seed;
- #define XSTAT_ATTR RSYNC_PREFIX "%stat"
- #define XACC_ACL_ATTR RSYNC_PREFIX "%aacl"
- #define XDEF_ACL_ATTR RSYNC_PREFIX "%dacl"
-+#define MD4_ATTR RSYNC_PREFIX "%md4"
-+#define MD5_ATTR RSYNC_PREFIX "%md5"
+@@ -69,6 +71,10 @@ extern int checksum_seed;
+ #define XACC_ACL_ATTR RSYNC_PREFIX "%" XACC_ACL_SUFFIX
+ #define XDEF_ACL_SUFFIX "dacl"
+ #define XDEF_ACL_ATTR RSYNC_PREFIX "%" XDEF_ACL_SUFFIX
++#define MD4_SUFFIX "md4"
++#define MD4_ATTR RSYNC_PREFIX "%" MD4_SUFFIX
++#define MD5_SUFFIX "md5"
++#define MD5_ATTR RSYNC_PREFIX "%" MD5_SUFFIX
typedef struct {
char *datum, *name;
-@@ -829,6 +833,39 @@ int del_def_xattr_acl(const char *fname)
+@@ -239,7 +245,9 @@ static int rsync_xal_get(const char *fname, item_list *xalp)
+ || (am_root < 0
+ && (strcmp(name+RPRE_LEN+1, XSTAT_SUFFIX) == 0
+ || strcmp(name+RPRE_LEN+1, XACC_ACL_SUFFIX) == 0
+- || strcmp(name+RPRE_LEN+1, XDEF_ACL_SUFFIX) == 0)))
++ || strcmp(name+RPRE_LEN+1, XDEF_ACL_SUFFIX) == 0
++ || strcmp(name+RPRE_LEN+1, MD4_SUFFIX) == 0
++ || strcmp(name+RPRE_LEN+1, MD5_SUFFIX) == 0)))
+ continue;
+ }
+
+@@ -895,6 +903,39 @@ int del_def_xattr_acl(const char *fname)
}
#endif
+ char buf[256];
+ uint32 file_length, mtime;
+ int len;
-+
++
+ len = sys_lgetxattr(fname, mdattr, buf, sizeof buf);
+ if (len < 0) {
+ if (errno == ENOTSUP || errno == ENOATTR)