--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/make-targets.py	Sun Jun 23 12:54:11 2013 -0700
@@ -0,0 +1,63 @@
+#!/usr/bin/python
+
+"""
+list the targets for a makefile
+"""
+
+import argparse
+import subprocess
+import sys
+
+call = subprocess.check_output
+
+def main(args=sys.argv[1:]):
+
+    ignore = ['%', '.', '(', '/']
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-a", "--all", action="store_true",
+                        help="show all matches")
+    parser.add_argument("--origin", action="store_true",
+                        help="show original line")
+    args = parser.parse_args(args)
+
+    if args.all:
+        ignore = []
+
+    line_dict = {}
+    names = []
+    output = call(["make", "-pn"]).strip()
+    for index, line in enumerate(output.splitlines()):
+        _orig = line
+        line = line.strip()
+        if not line:
+            continue
+        if line.startswith('#'):
+            continue
+        if ':' not in line:
+            continue
+        name, rhs = line.split(':', 1)
+        if rhs and rhs[0] == '=':
+            continue
+        name = name.strip()
+        if '=' in name or not name:
+            continue
+
+        # ignore thingies
+        if name.startswith(tuple(ignore)):
+            continue
+
+        names.append(name)
+        line_dict.setdefault(name, (index, _orig))
+
+    names = list(set(names))
+    names.sort()
+    if args.origin:
+        for name in names:
+            index, line = line_dict[name]
+            print '%s: `%s`:%d' % (name, line, index+1)
+        return
+    print '\n'.join(names)
+
+if __name__ == '__main__':
+    main()