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-rw-r--r--unix/mpconfigport.mk5
1 files changed, 4 insertions, 1 deletions
diff --git a/unix/mpconfigport.mk b/unix/mpconfigport.mk
index 2bf86078ae..84b8e437fa 100644
--- a/unix/mpconfigport.mk
+++ b/unix/mpconfigport.mk
@@ -3,7 +3,10 @@
# Build 32-bit binaries on a 64-bit host
MICROPY_FORCE_32BIT = 0
-# Linking with GNU readline causes binary to be licensed under GPL
+# This variable can take the following values:
+# 0 - no readline, just simple input
+# 1 - use MicroPython version of readline
+# 2 - use GNU readline (causes binary to be licensed under GPL)
MICROPY_USE_READLINE = 1
# Subset of CPython time module