Re: [Cin] zscale's tonemapping on input

I find this: /usr/bin/ld: /tmp/ffconf.LBw6bqQB/test.o: in function `check_zimg_get_api_version': test.c:(.text+0x3): undefined reference to `zimg_get_api_version' collect2: error: ld returned 1 exit status ERROR: zimg >= 2.7.0 not found using pkg-config But here I stop for total incompetence.