Ticket #55857: Portfile.diff

Portfile

@@ -7 +7 @@
 name            boost
 
 version         1.66.0
+revision        1
 checksums       rmd160  ee5dafdfa49adf50a5333cef1f55dac4f70b4c14 \
                 sha256  5721818253e6a0989583192f96782c4a98eb6204965316df9f5ad75819225ca9 \
                 size    85995778
@@ -120 +121 @@
         set cxx_stdlibflags -stdlib=${configure.cxx_stdlib}
     }
 
-    write_jam "using darwin : : ${configure.cxx} : <cxxflags>\"${configure.cxxflags} ${cxx_stdlibflags}\" ${compileflags} <linkflags>\"${configure.ldflags} ${cxx_stdlibflags}\" : ;"
+    # see https://trac.macports.org/ticket/55857
+    # see https://svn.boost.org/trac10/ticket/13454
+    set universal_cxxflags ""
+    if {[variant_isset universal]} {
+        set universal_cxxflags ${configure.universal_cxxflags}
+    }
+
+    write_jam "using darwin : : ${configure.cxx} : <cxxflags>\"${configure.cxxflags} ${universal_cxxflags} ${cxx_stdlibflags}\" ${compileflags} <linkflags>\"${configure.ldflags} ${cxx_stdlibflags}\" : ;"
 
 }