[Bug 197757] lang/python{27,32,33}: pythonX.Y-config --ldflags missing -L/usr/local/lib for shared library path

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197757

--- Comment #11 from commit-hook at freebsd.org ---
A commit references this bug:

Author: koobs
Date: Mon Oct 19 09:22:31 UTC 2015
New revision: 399653
URL: https://svnweb.freebsd.org/changeset/ports/399653

Log:
  MFH: r399611

  lang/python{27,32,33}: Fix missing shlib path in python-config

  In Python 3.4+, upstream added and switched to using a shell
  implementation of the python-config script [1]. The Python
  implementation  (python-config.py) remained used by all versions < 3.4.

  While the shell implementation returns the path to the Python
  shared library when using the --ldflags script argument, the Python
  implementation of the script does not. The bug has been reported, but
  has not yet been merged [2].

  The Python ports currently default to including ${LOCALBASE}/lib
  in LIBS when the NLS option is enabled (which it is by default).

  When built *with* NLS (gettext) support, the flags added to LIBS
  are returned in `pythonX.Y-config --ldflags` output, which happens
  to match the path to the Python shared library.

  If the NLS option is disabled, ${LOCALBASE}/lib is not added to LIBS,
  and are therefore not returned in --ldflags output.

  This results in potential linking errors for software that uses
  python-config to obtain the correct library path, when the NLS option is
  disabled:

  $ make WITH=PYTHON -C audio/alsa-lib
  [...]
  --- smixer-python.la ---
  CCLD     smixer-python.la
  /usr/bin/ld: cannot find -lpython2.7

  This change modifies the python-config.in script to match the shell
  implementation, outputting the library path in --ldflags output.

  While I'm here:

  for Python 3.2 and Python 3.3 ports, backport a library order
  change [3]. This could affect linking with static libraries.

  Use standard length lines and reduce diffs in pkg-message

  [1] https://bugs.python.org/issue16235
  [2] https://bugs.python.org/issue7352
  [2] https://bugs.python.org/issue18096

  PR:        197757
  Submitted by:    jbeich

  Approved by:    portmgr (erwin)

Changes:
_U  branches/2015Q4/
  branches/2015Q4/lang/python27/Makefile
  branches/2015Q4/lang/python27/files/patch-Misc_python-config.in
  branches/2015Q4/lang/python27/pkg-message
  branches/2015Q4/lang/python32/Makefile
  branches/2015Q4/lang/python32/files/patch-Misc_python-config.in
  branches/2015Q4/lang/python32/pkg-message
  branches/2015Q4/lang/python33/Makefile
  branches/2015Q4/lang/python33/files/patch-Misc_python-config.in
  branches/2015Q4/lang/python33/pkg-message

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