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-rw-r--r--config_help.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/config_help.txt b/config_help.txt
index fff7021aa8..76c0c60348 100644
--- a/config_help.txt
+++ b/config_help.txt
@@ -58,6 +58,9 @@ Configure meta:
-redo ................ Re-configure with previously used options.
Additional options may be passed, but will not be
saved for later use by -redo.
+ -recheck ............. Discard cached negative configure test results.
+ Use this after installing missing dependencies.
+ -recheck-all ......... Discard all cached configure test results.
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