Clean up kernel Makefile patch and add new targets

Add two new targets:

 - 'make kmenuconfig' runs the menuconfig interface

 - 'make dumpvarsconfig' lists all referenced environment variables
   together with their values (assuming they used the preprocessor
   syntax)

Remove the 'kconfiglibtestconfig' target, which is no longer used.

Also clean up the target definitions. The joys of ancient code.

1 files changed, 15 insertions, 0 deletions

diff --git a/examples/dumpvars.py b/examples/dumpvars.py
new file mode 100644
index 0000000..5ce65c2
--- /dev/null
+++ b/examples/dumpvars.py
@@ -0,0 +1,15 @@
+# Shows a list of all (set) environment variables referenced in the Kconfig
+# files, together with their values.
+#
+# Note: This only works for environment variables referenced via the $(FOO)
+# preprocessor syntax. The older $FOO syntax is maintained for backwards
+# compatibility.
+
+import os
+import sys
+
+import kconfiglib
+
+
+for var in kconfiglib.Kconfig(sys.argv[1]).env_vars:
+    print("{:16} '{}'".format(var, os.environ[var]))