From 489a660ce900537a0e85686980a8aff85446cb44 Mon Sep 17 00:00:00 2001
From: dgp <dgp@users.sourceforge.net>
Date: Mon, 30 Oct 2017 15:54:16 +0000
Subject: Permit building on a Tcl 9 foundation.

---
 unix/configure    | 2 ++
 unix/configure.ac | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/unix/configure b/unix/configure
index 72db277..e69ffa9 100755
--- a/unix/configure
+++ b/unix/configure
@@ -2481,6 +2481,7 @@ $as_echo "could not find ${TCL_BIN_DIR}/tclConfig.sh" >&6; }
 
 
 
+if test "${TCL_MAJOR_VERSION}" -lt 9 ; then
 if test "${TCL_MAJOR_VERSION}" -ne 8 ; then
     as_fn_error $? "${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
 Found config for Tcl ${TCL_VERSION}" "$LINENO" 5
@@ -2489,6 +2490,7 @@ if test "${TCL_MINOR_VERSION}" -lt 6 ; then
     as_fn_error $? "${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
 Found config for Tcl ${TCL_VERSION}" "$LINENO" 5
 fi
+fi
 
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tclsh" >&5
diff --git a/unix/configure.ac b/unix/configure.ac
index acbfff9..733f53e 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -36,6 +36,7 @@ LOCALES="cs da de el en en_gb eo es fr hu it nl pl pt ru sv"
 SC_PATH_TCLCONFIG
 SC_LOAD_TCLCONFIG
 
+if test "${TCL_MAJOR_VERSION}" -lt 9 ; then
 if test "${TCL_MAJOR_VERSION}" -ne 8 ; then
     AC_MSG_ERROR([${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
 Found config for Tcl ${TCL_VERSION}])
@@ -44,6 +45,7 @@ if test "${TCL_MINOR_VERSION}" -lt 6 ; then
     AC_MSG_ERROR([${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
 Found config for Tcl ${TCL_VERSION}])
 fi
+fi
 
 SC_PROG_TCLSH
 SC_BUILD_TCLSH
-- 
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