pkg-config and opencv4

Marius Schamschula lists at
Tue Feb 9 11:58:30 UTC 2021

A quick look at the Portfile shows that opencv4 uses cmake.

It is rare that cmake based builds also gernerate .po files by default, but there may be a switch.

It might be worth opening a trac ticket.

> On Feb 9, 2021, at 5:37 AM, Joël Brogniart <Joel.Brogniart at> wrote:
> One should be able to obtain informations with pkg-config. ie. wiith cairo installed it works fine
>  pkg-config --cflags cairo
>  pkg-config --libs cairo
> But not with opencv4.
> Joël 
>> Le 9 févr. 2021 à 12:10, Marius Schamschula <lists at> a écrit :
>> I haven’t had time to look into that. I’m not the maintain of opencv4. For the moment I downgraded opencv to version 3.4.13.
>>> On Feb 9, 2021, at 2:28 AM, Joël Brogniart <Joel.Brogniart at> wrote:
>>> I'm trying to adapt a portfile for a Linux application to depend on opencv4 instead of opencv. The building of the application use pkg-config to find directory, library et compiler settings for different tools (opencv, cairo…). This works correctly except for opencv.
>>> On Macports, the opencv4 port doesn't populate pkg-config data with its own information. Is there an explanation for the missing data?
>> Marius
>> --
>> Marius Schamschula

Marius Schamschula

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