Ticket #55361: Portfile.diff

Portfile

@@ -19 +19 @@
 variant python27 description "Use Python 2.7 SymPy" conflicts python34 python35 python36 {
     depends_lib-append  port:python27 \
                         port:py27-sympy
-    
-    configure.env-append \
-        PYTHON=${prefix}/bin/python2.7
+    configure.python    ${prefix}/bin/python2.7
 }
 
 variant python34 description "Use Python 3.4 SymPy" conflicts python27 python35 python36 {
     depends_lib-append  port:python34 \
                         port:py34-sympy
-    
-    configure.env-append \
-        PYTHON=${prefix}/bin/python3.4
+    configure.python    ${prefix}/bin/python3.4
 }
 
 variant python35 description "Use Python 3.5 SymPy" conflicts python27 python34 python36 {
     depends_lib-append  port:python35 \
         port:py35-sympy
-
-    configure.env-append \
-        PYTHON=${prefix}/bin/python3.5
+    configure.python    ${prefix}/bin/python3.5
 }
 
 variant python36 description "Use Python 3.6 SymPy" conflicts python27 python34 python35 {
     depends_lib-append  port:python36 \
         port:py36-sympy
-
-    configure.env-append \
-        PYTHON=${prefix}/bin/python3.6
+    configure.python    ${prefix}/bin/python3.6
 }
 
 if {![variant_isset python27] && ![variant_isset python34] && ![variant_isset python35] && ![variant_isset python36]} {
@@ -60 +52 @@
     return -code error "Invalid variant selection"
 
 }
+
+# see https://trac.macports.org/ticket/55361
+patchfiles-append patch-python.diff
+post-patch {
+    reinplace \
+        "s|__MACPORTS_PYTHON__|${configure.python}|g" \
+        ${worksrcpath}/inst/sympref.m
+}