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-rwxr-xr-xunix/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/unix/configure b/unix/configure
index 181bc7f..d0fcd74 100755
--- a/unix/configure
+++ b/unix/configure
@@ -6434,7 +6434,7 @@ if test "${tcl_cv_cc_visibility_hidden+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden"
+ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF