Backport bb5d4fa690b4 (Merge of bug25105; Macports build runs steps in parallel -- fails dependency generation)

Author: Tim Watson

packaging/macports/Portfile.in

@@ -59,7 +59,7 @@ set mandest ${destroot}${prefix}/share/man
 
 use_configure   no
 
-use_parallel_build yes
+use_parallel_build no
 
 build.env-append HOME=${workpath}