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python/lib/moresetuptools.py: force adding libav on window (see conda-forge/pkg-config-feedstock#11)

--- a/python/lib/moresetuptools.py

+++ b/python/lib/moresetuptools.py

@@ -116,8 +116,8 @@

     ext.define_macros += [('HAVE_WAVWRITE', 1)]

     ext.define_macros += [('HAVE_WAVREAD', 1)]

-    # TODO:

-    # add cblas

+

+    # TODO: add cblas

     if 0:

         ext.libraries += ['cblas']

         ext.define_macros += [('HAVE_ATLAS_CBLAS_H', 1)]

@@ -131,6 +131,12 @@

     else:

         print("Info: using system aubio " + aubio_version + " found in " + ' '.join(ext.library_dirs))

+def add_libav_on_win(ext):

+    """ no pkg-config on windows, simply assume these libs are available """

+    ext.libraries += ['avformat', 'avutil', 'avcodec', 'swresample']

+    for define_macro in ['HAVE_LIBAV', 'HAVE_SWRESAMPLE']:

+        ext.define_macros += [(define_macro, 1)]

+

 class CleanGenerated(distutils.command.clean.clean):

     def run(self):

         if os.path.isdir(output_path):

@@ -174,6 +180,10 @@

             else:

                 # check for external dependencies

                 add_external_deps(extension, usedouble=enable_double)

+                # force adding libav on windows

+                if os.name == 'nt' and ('WITH_LIBAV' in os.environ \

+                        or 'CONDA_PREFIX' in os.environ):

+                    add_libav_on_win(extension)

                 # add libaubio sources and look for optional deps with pkg-config

                 add_local_aubio_sources(extension)

         # generate files python/gen/*.c, python/gen/aubio-generated.h