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-rw-r--r--src/configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in
index fefe96d09ee..93c45a6a882 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -784,6 +784,7 @@ then
AC_MSG_WARN(tcl support disabled; tcl.h missing)
USE_TCL=
fi
+ AC_SUBST(TCL_INCDIR)
fi
dnl Check for Tcl archive