[BRLTTY] Tcl 8.6.15 and newer uses colon as the separator in the TCL_PACKAGE_PATH

[Jaroslav Škarvada]

Hi,

the change was introduced by [1], bug report [2]. As a result the
brltty m4 Tcl binding macro needs to be changed. Attached is the patch
we used in Fedora, but it's bash specific and doesn't handle paths
with embedded spaces which are now supported

thanks & regards

Jaroslav

[1] https://github.com/tcltk/tcl/commit/76dad5485f7b5b964131405414ee63734e0b741d
[2] https://core.tcl-lang.org/tcl/tktview/1b8a893ded

diff --git a/Bindings/Tcl/bindings.m4 b/Bindings/Tcl/bindings.m4
index 758f0db..37720cc 100644
--- a/Bindings/Tcl/bindings.m4
+++ b/Bindings/Tcl/bindings.m4
@@ -51,7 +51,7 @@ fi
 
 ${TCL_OK} && {
    test -n "${TCL_PACKAGE_PATH}" && {
-      for directory in ${TCL_PACKAGE_PATH}
+      for directory in ${TCL_PACKAGE_PATH/:/ }
       do
          test `expr "${directory}" : '.*/lib'` -eq 0 || {
             TCL_DIR="${directory}"

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