cirrus: keep using Tcl 8 with Homebrew due to Nagelfar

Author: xdelaruelle

.cirrus.yml

@@ -97,9 +97,10 @@ task:
     image: ghcr.io/cirruslabs/macos-runner:sonoma
   reqinstall_script:
     - brew update
-    - brew install md5sha1sum expect dejagnu grep fish r tcl-tk gzip powershell
+    # keep Tcl 8 as current Nagelfar archive requires 8.5+, but not Tcl 9
+    - brew install md5sha1sum expect dejagnu grep fish r tcl-tk@8 gzip powershell
   configure_script:
-    - ./configure --prefix=/tmp/modules --with-loadedmodules=null:dot --with-tcl=/opt/homebrew/lib
+    - ./configure --prefix=/tmp/modules --with-loadedmodules=null:dot --with-tcl=/opt/homebrew/Cellar/tcl-tk@8/8.6.15/lib
   << : *BUILD_INSTALL_TEST_TEMPLATE
   coverage_script:
     - for f in tcl/*.tcl; do script/nglfar2ccov $f; done