Ticket #19724: boost.universal.patch

Portfile.

@@ -20 +20 @@
 platforms               darwin
 use_parallel_build      yes
 
-# not autoconf
-universal_variant       no
+# bjam has universal binary support built in, no need to set universal flags
+configure.universal_args        {}
+configure.universal_cflags      {}
+configure.universal_cppflags    {}
+configure.universal_cxxflags    {}
+configure.universal_ldflags     {}
 
 patchfiles              patch-configure.diff
 
@@ -69 +73 @@
         if { [variant_isset debug] } {
                 append bjam_config " debug release"
         }
+        if { [variant_isset universal] } {
+            # "architecture=combined" switches on ppc and i386
+            append bjam_config " architecture=combined"
+            if { [lsearch ${configure.universal_archs} "ppc64"] >= 0 || [lsearch ${configure.universal_archs} "x86_64"] >=0 } {
+                # in case of ppc64 or x86_64 architectures, we have to set address-model=32_64
+                # to enable 64 bit universal binaries
+                append bjam_config " address-model=32_64"
+            }
+        }
         reinplace "s|__MACPORTS_BJAM_CONFIG__|${bjam_config}|" ${worksrcpath}/configure
 }