diff --git a/.gitignore b/.gitignore
index 18c0f50..2cb6c03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 
 bin/
 examples/sandbox.txt
+copy+paste.txt
+.*.db
diff --git a/build-all.py b/build-all.py
new file mode 100755
index 0000000..9193288
--- /dev/null
+++ b/build-all.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+
+import subprocess;
+import time;
+import atexit;
+import os;
+import pickle;
+
+PICKLEFILE = ".build-all.db"
+
+try:
+    with open(PICKLEFILE, "rb") as stream:
+        ftimes = pickle.load(stream);
+except:
+    ftimes = dict();
+
+def dumpftimes():
+    with open(PICKLEFILE, "wb") as stream:
+        pickle.dump(ftimes, stream);
+
+atexit.register(dumpftimes);
+
+buildtypes = set();
+
+for x in os.listdir("buildtypes"):
+    buildtype = x[:-4];
+    
+    if buildtype not in ftimes:
+        ftimes[buildtype] = time.time();
+    
+    buildtypes.add(buildtype);
+
+for buildtype in sorted(buildtypes, key = lambda x: -ftimes[x]):
+    print("\033[32m" f"$ make buildtype={buildtype}" "\033[0m");
+    
+    result = subprocess.run(["make", f"buildtype={buildtype}"]);
+    
+    if result.returncode:
+        ftimes[buildtype] = time.time();
+        print("subcommand failed!");
+        exit(1);
+    
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+