Ticket #37655: Portfile.diff

Portfile

@@ -4 +4 @@
 PortSystem          1.0
 PortGroup           cmake 1.0
 PortGroup           github 1.0
+PortGroup           active_variants 1.1
 
 github.setup        idiap bob 1.1.2 v
 set soversion       1.1
@@ -112 +113 @@
 
 # check if boost is installed with the required python variant
 if {[variant_isset python26]} {
-    set boost_python_required   2.6
-    set boost_variant           +python26
+    set boost_python_variant    python26
 } elseif {[variant_isset python27]} {
-    set boost_python_required   2.7
-    set boost_variant           +python27
+    set boost_python_variant    python27
 }
 
-set boost_python_lib ${prefix}/lib/libboost_python-mt.dylib
-set boost_python_version "0"
-if {[file exists ${boost_python_lib}]} {
-    set boost_python_version [exec /usr/bin/otool -L ${boost_python_lib} | /usr/bin/grep Python | /usr/bin/sed -e "s|^.*Versions/||" -e "s|/.*||"]
-}
-if {${boost_python_version} != ${boost_python_required}} {
-    depends_lib-delete port:boost
-    pre-configure {
-        ui_error "${name} requires boost installed with variant ${boost_variant}."
-        ui_error "Please install boost as follows and try installing ${name} again:"
-        ui_error "sudo port install boost ${boost_variant}"
-        return -code error "incompatible boost installation"
-    }
-}
+require_active_variants boost   ${boost_python_variant}