Ticket #55034: TeXShop3.diff

Portfile

@@ -2 +2 @@
 
 PortSystem          1.0
 PortGroup           xcode 1.0
+PortGroup           xcodeversion 1.0
 
 name                TeXShop3
 conflicts           TeXShop
@@ -33 +34 @@
 checksums           rmd160  4e9496f08c1ef989ff4a2754c79984510505484d \
                     sha256  e9e4eeaec00456930589871cbca803897637f6a194faaaa318fc0c9163c46637
 
+minimum_xcodeversions       {16 9}
+
 pre-fetch {
     platform darwin {
-        if {${os.major} < 11} {
-            ui_error "${name} requires at least 10.7, Lion"
-            return -code error "This version is for 10.7, Lion, and later only"
+        if {${os.major} < 16} {
+            ui_error "${name} @${version} requires at least macOS 10.12 Sierra"
+            return -code error "imcompatible macOS version"
         }
     }
 }