diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a83e09f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "common"]
+	path = common
+	url = sol:common
diff --git a/Makefile.common b/Makefile.common
new file mode 120000
index 0000000..b9b6e18
--- /dev/null
+++ b/Makefile.common
@@ -0,0 +1 @@
+common/Makefile.common
\ No newline at end of file
diff --git a/common b/common
new file mode 160000
index 0000000..0ce8acf
--- /dev/null
+++ b/common
@@ -0,0 +1 @@
+Subproject commit 0ce8acfb7d84c51798046c7788f85b9e7aa8e12b
diff --git a/earlyoom/package.yml b/earlyoom/package.yml
index 89b9081..6dfb0f8 100644
--- a/earlyoom/package.yml
+++ b/earlyoom/package.yml
@@ -8,6 +8,6 @@ summary    : Insert summary here
 description: |
     Insert description here
 build      : |
-    %make PREFIX=%PREFIX% SYSTEMDUNITDIR=%libdir%/systemd/system earlyoom
+    %make
 install    : |
     %make_install PREFIX=%PREFIX% SYSTEMDUNITDIR=%libdir%/systemd/system earlyoom
diff --git a/jdupes/package.yml b/jdupes/package.yml
deleted file mode 100644
index d8319a8..0000000
--- a/jdupes/package.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-name       : jdupes
-version    : 1
-release    : 1
-source     :
-    - git|https://github.com/jbruchon/jdupes : master
-license    : GPL-2.0-or-later
-summary    : Insert summary here
-description: |
-    Insert description here
-build      : |
-    %make ENABLE_BTRFS=1 ENABLE_DEDUPE=1 STATIC_DEDUPE_H=1
-install    : |
-    %make_install PREFIX=%PREFIX%