most recent changes, diff for ginac

Index: math/GiNaC/Portfile
--- math/GiNaC/Portfile (revision 29881)
+++ math/GiNaC/Portfile (revision 29882)
@@ -41,13 +41,11 @@
port:cln

platform darwin 6 {
- ui_msg "GiNaC is not supported on Jaguar (OS X 10.2.x)."
- exit 1
+ return -code error "GiNaC is not supported on Jaguar (OS X 10.2.x)."
}

platform darwin 7 {
- ui_msg "GiNaC is not supported on Panther (OS X 10.3.x)."
- exit 1
+ return -code error "GiNaC is not supported on Panther (OS X 10.3.x)."
}

#platform darwin 8 {