diff --git a/.gitea/scripts/ci.sh b/.gitea/scripts/ci.sh
new file mode 100755
index 0000000..6772dfa
--- /dev/null
+++ b/.gitea/scripts/ci.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# setup
+mkdir build
+cd build
+mkdir iw4
+mkdir iw5
+cd ..
+
+cp iw4/scripts/mp/_jump.gsc build/iw4
+
+# replace gsc extension with c so GCC is happy
+mv iw5/scripts/mp/_jump.gsc iw5/scripts/mp/_jump.c
+
+# perform macro expansion
+gcc -D_UTILITY_DEBUG -DIW5 -DCI -E "iw5/scripts/mp/_jump.c" -o _jump.in
+
+mv _jump.in build/iw5/_jump.gsc
diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
new file mode 100644
index 0000000..4c6fec1
--- /dev/null
+++ b/.gitea/workflows/ci.yml
@@ -0,0 +1,26 @@
+name: Build
+
+on: [push]
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out files
+        uses: actions/checkout@main
+        with:
+          submodules: true
+          fetch-depth: 0
+          lfs: false
+
+      - name: Create release
+        run: |
+          ./gitea/scripts/ci.sh
+
+      - name: Upload release
+        uses: actions/upload-artifact@main
+        with:
+          name: release
+          path: |
+            build/iw4/_jump.gsc
+            build/iw5/_jump.gsc
diff --git a/iw5/scripts/mp/_jump.gsc b/iw5/scripts/mp/_jump.gsc
index 3f8fc0c..bbf6bf5 100644
--- a/iw5/scripts/mp/_jump.gsc
+++ b/iw5/scripts/mp/_jump.gsc
@@ -4,7 +4,11 @@
 #define TOOL
 #endif
 
+#if !defined(TOOL)
 #inline scripts\mp\_utility;
+#else
+#include "_utility.gsh"
+#endif
 
 GENERIC_INIT;
 
@@ -14,7 +18,9 @@ onPlayerConnect()
 	{
 		level waittill( "connected", player );
 
+#if defined(TOOL)
 		waittillframeend;
+#endif
 
 		BOT_CHK( player );