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-rwxr-xr-xalldefconfig.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/alldefconfig.py b/alldefconfig.py
index 34d03ba..8b5d105 100755
--- a/alldefconfig.py
+++ b/alldefconfig.py
@@ -6,6 +6,9 @@
# Works like 'make alldefconfig'. Verified by the test suite to generate
# identical output to 'make alldefconfig' for all ARCHes.
#
+# The default output filename is '.config'. A different filename can be passed
+# in the KCONFIG_CONFIG environment variable.
+#
# Usage for the Linux kernel:
#
# $ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/alldefconfig.py