[MacPorts] #56120: pkg-config fails to find python3 (was: pkgconfig fails to find python3)

MacPorts noreply at macports.org
Thu Mar 22 17:35:33 UTC 2018

#56120: pkg-config fails to find python3
  Reporter:  aleb                                |      Owner:
      Type:  defect                              |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  base                                |    Version:  2.4.2
Resolution:                                      |   Keywords:
      Port:  python27 python34 python35          |
  python36 python_select                         |
Changes (by raimue):

 * cc: raimue (added)
 * port:   => python27 python34 python35 python36 python_select


 For those that stumble over this ticket while doing builds outside of
 MacPorts, the workaround is to set `PKG_CONFIG_PATH` manually:
 $ pkg-config --print-provides python3
 Package python3 was not found in the pkg-config search path.
 Perhaps you should add the directory containing `python3.pc'
 to the PKG_CONFIG_PATH environment variable
 No package 'python3' found
 $ export
 $ pkg-config --print-provides python3
 python3 = 3.6

 I agree that we do not want to use `python3.pc` when building a port.
 However, `python3.pc` could be managed by `python_select`. We also already
 have symlinks for the `python3` and `python3-config` binaries. If a build
 system uses `pkg-config ... python3`, it would be the same as using
 `python3-config`. We will always have to handle these cases, most probably
 with patches.

Ticket URL: <https://trac.macports.org/ticket/56120#comment:4>
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