diff --git a/debian/lenny/dependencies/libcaldav/debian/source/format b/debian/lenny/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/lenny/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/lenny/dependencies/libcaldav/debian/source/options b/debian/lenny/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/lenny/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/debian/lenny/dependencies/libcarddav/debian/source/format b/debian/lenny/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/lenny/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/lenny/dependencies/libcarddav/debian/source/options b/debian/lenny/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/lenny/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/debian/squeeze/dependencies/libcaldav/debian/source/format b/debian/squeeze/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/squeeze/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/squeeze/dependencies/libcaldav/debian/source/options b/debian/squeeze/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/squeeze/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/debian/squeeze/dependencies/libcarddav/debian/source/format b/debian/squeeze/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/squeeze/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/squeeze/dependencies/libcarddav/debian/source/options b/debian/squeeze/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/squeeze/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/debian/wheezy/dependencies/libcaldav/debian/source/format b/debian/wheezy/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/wheezy/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/wheezy/dependencies/libcaldav/debian/source/options b/debian/wheezy/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/wheezy/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/debian/wheezy/dependencies/libcarddav/debian/source/format b/debian/wheezy/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/debian/wheezy/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/debian/wheezy/dependencies/libcarddav/debian/source/options b/debian/wheezy/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/debian/wheezy/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/maverick/dependencies/libcaldav/debian/source/format b/ubuntu/maverick/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/maverick/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/maverick/dependencies/libcaldav/debian/source/options b/ubuntu/maverick/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/maverick/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/maverick/dependencies/libcarddav/debian/source/format b/ubuntu/maverick/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/maverick/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/maverick/dependencies/libcarddav/debian/source/options b/ubuntu/maverick/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/maverick/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/precise/dependencies/libcaldav/debian/source/format b/ubuntu/precise/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/precise/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/precise/dependencies/libcaldav/debian/source/options b/ubuntu/precise/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/precise/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/precise/dependencies/libcarddav/debian/source/format b/ubuntu/precise/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/precise/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/precise/dependencies/libcarddav/debian/source/options b/ubuntu/precise/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/precise/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/raring/dependencies/libcaldav/debian/source/format b/ubuntu/raring/dependencies/libcaldav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/raring/dependencies/libcaldav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/raring/dependencies/libcaldav/debian/source/options b/ubuntu/raring/dependencies/libcaldav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/raring/dependencies/libcaldav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*
diff --git a/ubuntu/raring/dependencies/libcarddav/debian/source/format b/ubuntu/raring/dependencies/libcarddav/debian/source/format
new file mode 100644
index 000000000..89ae9db8f
--- /dev/null
+++ b/ubuntu/raring/dependencies/libcarddav/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/ubuntu/raring/dependencies/libcarddav/debian/source/options b/ubuntu/raring/dependencies/libcarddav/debian/source/options
new file mode 100644
index 000000000..72f1f5450
--- /dev/null
+++ b/ubuntu/raring/dependencies/libcarddav/debian/source/options
@@ -0,0 +1,6 @@
+# Use xz instead of gzip
+compression = "xz"
+compression-level = 9
+
+# Don't run differences
+diff-ignore = .*