[MacPorts] #40167: python27: destroot fails: error: use of undeclared identifier 'Dl_info' (was: port upgrade python27)

[MacPorts]

#40167: python27: destroot fails: error: use of undeclared identifier 'Dl_info'
-----------------------------+-------------------
  Reporter:  rob.edgerley@…  |      Owner:  jwa@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.2.0
Resolution:                  |   Keywords:
      Port:  python27        |
-----------------------------+-------------------
Changes (by ryandesign@…):

 * owner:  macports-tickets@… => jwa@…
 * cc: ryandesign@… (added)
 * port:  python27, mercurial, etc => python27


Comment:

 The relevant error in the log seems to be:
 {{{
 :info:destroot /usr/bin/clang -arch x86_64 -arch i386 -isysroot /
 -L/opt/local/lib -Wl,-headerpad_max_install_names -L/opt/local/lib/db46
 -arch x86_64 -arch i386 -DPYTHONFRAMEWORK='"Python"' -o pythonw
 ./Tools/pythonw.c -I.. -I./../Include
 ../Python.framework/Versions/2.7/Python
 :info:destroot ./Tools/pythonw.c:58:5: error: use of undeclared identifier
 'Dl_info'
 :info:destroot     Dl_info info;
 :info:destroot     ^
 }}}

 This was not a clean build and we would usually ask you to
 [http://guide.macports.org/chunked/project.html#project.tickets.prerequisites
 clean and try again], and we may yet do so if the below does not lead to a
 solution.

 I Googled that error message and found
 [http://sourceforge.net/mailarchive/forum.php?thread_name=50B801C3.7040005%40gmail.com&forum_name
 =fink-users one hit, on the fink mailing list], implicating an ancient
 copy of dlfcn in /usr/local. Do you have either or both of these files?

 {{{
 /usr/local/include/dlfcn.h
 /usr/local/lib/libdl.dylib
 }}}

 If so, delete them, clean python27 and try again.

 In general, we do not support users having files in /usr/local because of
 these types of conflicts.

-- 
Ticket URL: <https://trac.macports.org/ticket/40167#comment:1>
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