TeXShop4: update to 4.10

use old build system on Xcode 10

aqua/TeXShop4/Portfile

@@ -6,8 +6,7 @@ PortGroup           xcodeversion 1.0
 
 name                TeXShop4
 conflicts           TeXShop
-version             4.01
-revision            2
+version             4.10
 
 set major           [lindex [split ${version} .] 0]
 categories          aqua editors
@@ -31,11 +30,19 @@ set propername      TeXShop
 # TeXShop4 has frequent stealth updates, keep in sync with revision number
 #dist_subdir         TeXShop/${version}_${revision}
 
-checksums           rmd160  a0b94228661eff1bf73a86316264a224c49cd3f0 \
-                    sha256  32fb7d7735213198b92b59228f75062c8a46307e277b1e7e79fc86a08ee9df5b
+checksums           rmd160  f24296b7a75cdd930a8020c8a28d11f6ef618c74 \
+                    sha256  7ce7a997b805f62fceaf47f527029c3431f1e35372d4d17d57dcfcf166454ab8 \
+                    size    124201074
 
 minimum_xcodeversions   {13 6.2}
 
+# This is a temporary kludge. The new Xcode build system fails to
+# destroot this for reasons that are poorly understood.
+# Remove this when a better fix is known.
+if {[vercmp ${xcodeversion} 10.0] >= 0} {
+    destroot.pre_args   -UseNewBuildSystem=NO
+}
+
 configure.cxx_stdlib    libstdc++
 
 pre-fetch {