[99975] trunk/dports/python/py-graph-tool/Portfile

[mmoll at macports.org]

Revision: 99975
          https://trac.macports.org/changeset/99975
Author:   mmoll at macports.org
Date:     2012-11-23 08:55:35 -0800 (Fri, 23 Nov 2012)
Log Message:
-----------
python/py-graph-tool: use active_variants portgroup to check for for boost.python

Modified Paths:
--------------
    trunk/dports/python/py-graph-tool/Portfile

Modified: trunk/dports/python/py-graph-tool/Portfile
===================================================================
--- trunk/dports/python/py-graph-tool/Portfile	2012-11-23 16:31:32 UTC (rev 99974)
+++ trunk/dports/python/py-graph-tool/Portfile	2012-11-23 16:55:35 UTC (rev 99975)
@@ -3,6 +3,7 @@
 
 PortSystem          1.0
 PortGroup           python 1.0
+PortGroup           active_variants 1.0
 
 set realname        graph-tool
 name                py-${realname}
@@ -27,13 +28,6 @@
 python.versions     26 27
 python.default_version 27
 
-# graph-tool relies on Boost.Python, so make sure it is installed.
-pre-fetch {
-    if {![file exists ${prefix}/lib/libboost_python-mt.dylib]} {
-        return -code error "Please reinstall boost with one of the python variants enabled."
-    }
-}
-
 if {$subport != $name} {
     universal_variant  no
     depends_build-append port:pkgconfig
@@ -46,6 +40,10 @@
                        port:py${python.version}-scipy \
                        port:py${python.version}-gobject3
     use_configure      yes
+    pre-configure {
+        # graph-tool relies on Boost.Python, so make sure it is installed.
+        require_active_variants boost python${python.version}
+    }
     configure.env-append PYTHON=${python.bin} \
                          PYTHON_VERSION=${python.branch} \
                          PYTHON_CPPFLAGS=-I${python.include} \
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