Ticket #39094: gnuplot-elisp-portgroup.patch

Portfile

@@ -4 +4 @@
 PortSystem                  1.0
 PortGroup                   xcodeversion 1.0
 PortGroup                   texlive 1.0
+PortGroup                   elisp 1.0
 
 name                        gnuplot
 version                     4.6.3
@@ -94 +95 @@
 }
 
 variant emacs description "An emacs mode for working with gnuplot" {
-    # This would be nicer with an emacs PortGroup:
-    # Use the port that provides Emacs.app (emacs-app[-devel])
-    # or the usual emacs binary if the former doesn't exist
-    set app_binary ${applications_dir}/Emacs.app/Contents/MacOS/Emacs
-    set app_provider [registry_file_registered $app_binary]
-    if {[file exists $app_binary] && $app_provider != 0} {
-        depends_build-append port:${app_provider}
-        configure.env-append EMACS=${app_binary}
-    } else {
-        depends_build-append path:bin/emacs:emacs
-    }
+    depends_build-append    port:${emacs_binary_provider} 
+    configure.env-append    EMACS=${emacs_binary}
     configure.args-delete   --without-lisp-files
-    configure.args-append   --with-lisp-files --with-lispdir=${prefix}/share/emacs/site-lisp
+    configure.args-append   --with-lisp-files --with-lispdir=${emacs_lispdir}
 }
 
 variant luaterm description "Enable lua-based terminals" {