From 0e809f8dd3305b97598597b825333fc85204a6ef Mon Sep 17 00:00:00 2001
From: dgp <dgp@users.sourceforge.net>
Date: Thu, 13 Sep 2012 19:13:29 +0000
Subject: Building Tk 8.6 requires Tcl 8.6 headers.

---
 unix/configure    | 15 +++++++++++++++
 unix/configure.in |  9 +++++++++
 2 files changed, 24 insertions(+)

diff --git a/unix/configure b/unix/configure
index cd7dc8c..110cbcd 100755
--- a/unix/configure
+++ b/unix/configure
@@ -1542,6 +1542,21 @@ echo "${ECHO_T}could not find ${TCL_BIN_DIR}/tclConfig.sh" >&6
 
 
 
+if test "${TCL_MAJOR_VERSION}" -ne 8 ; then
+    { { echo "$as_me:$LINENO: error: ${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}" >&5
+echo "$as_me: error: ${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+if test "${TCL_MINOR_VERSION}" -lt 6 ; then
+    { { echo "$as_me:$LINENO: error: ${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}" >&5
+echo "$as_me: error: ${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 
     echo "$as_me:$LINENO: checking for tclsh" >&5
 echo $ECHO_N "checking for tclsh... $ECHO_C" >&6
diff --git a/unix/configure.in b/unix/configure.in
index bfe145c..7964bc2 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -36,6 +36,15 @@ 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 "${TCL_MAJOR_VERSION}" -ne 8 ; then
+    AC_MSG_ERROR([${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}])
+fi
+if test "${TCL_MINOR_VERSION}" -lt 6 ; then
+    AC_MSG_ERROR([${PACKAGE_NAME} ${PACKAGE_VERSION} requires Tcl 8.6+
+Found config for Tcl ${TCL_VERSION}])
+fi
+
 SC_PROG_TCLSH
 SC_BUILD_TCLSH
 
-- 
cgit v0.12