HexFiend: increase macOS version requirement to 10.14+

editors/HexFiend/Portfile

@@ -28,10 +28,6 @@ long_description \n\
     * Smooth scrolling. No separate pages - scroll like any text document.
 
 supported_archs x86_64
-macosx_deployment_target 10.8
-
-# The project only works with Xcode >= 8
-minimum_xcodeversions {11 8.0}
 
 patch.pre_args  -p1
 patchfiles      0001-xcode-Disable-Sparkle.patch
@@ -51,9 +47,9 @@ destroot {
     xinstall -m 644 ${worksrcpath}/License.txt ${destroot}${prefix}/share/doc/${name}
 }
 
-if {${os.platform} ne "darwin" || ${os.major} < 12} {
+if {${os.platform} ne "darwin" || ${os.major} < 18} {
     pre-fetch {
-        ui_error "${subport} @${version} only works with OS X 10.8 Mountain Lion or later."
-        return -code error "incompatible OS X version"
+        ui_error "${subport} @${version} only works with macOS 10.14 Mojave or later."
+        return -code error "incompatible macOS version"
     }
 }