alsa-lib ld cannot find python

[Jan Beich]

(restored ports@ in CC)

R0B_ROD <witchdoctor.mdf at gmail.com> writes:

> --- smixer-python.la ---
> CCLD     smixer-python.la
> /usr/bin/ld: cannot find -lpython2.7
> cc: error: linker command failed with exit code 1 (use -v to see invocation)
> *** [smixer-python.la] Error code 1

alsa-lib's configure relies on `python-config --ldflags` specifying both
the libraries and the path to them in order to link apps/libs against python.
It appears the latter depends on the options specified during build.

# lang/python27 built with NLS=off
$ python2.7-config --libs
-lpython2.7 -lutil -lm
$ python2.7-config --ldflags
-lpython2.7 -lutil -lm -Wl,--export-dynamic
$ pkg-config python-2.7 --libs
-L/usr/local/lib -lpython2.7

Ignoring NIH nature of python-config to fix try the following:

1/ download the attachment and put as lang/python27/files/patch-issue7352
2/ rebuild lang/python27
3/ build audio/alsa-lib

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