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-rwxr-xr-xconfigure1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure b/configure
index c5743d1..67bc927 100755
--- a/configure
+++ b/configure
@@ -202,6 +202,7 @@ EOF
exit 1
fi
if ${_optarg_set}; then
+ _opt="$(printf '%s' "${_opt}" | tr -c '[a-z0-9]' '_')"
eval ${_opt}=\$\{_optarg\}
else
_prev="${_opt}"