Ticket #33085: Portfile.diff

Portfile

@@ -79 +79 @@
     reinplace -E "s|-install_name \"|&${prefix}/lib/|" \
         ${worksrcpath}/tools/build/v2/tools/darwin.jam
 
-    write_jam "using darwin : : ${configure.cxx} ;"
+    if {[string length ${configure.sdkroot}] == 0} {
+        write_jam "using darwin : : ${configure.cxx} : : ;"
+    } else {
+        write_jam "using darwin : : ${configure.cxx} : <compileflags>\"-isysroot ${configure.sdkroot}\" : ;"
+    }
 
 }