0.4.40: babl 0.1.102 provides `babl-0.1` pkgconfig interface
Looks like latest babl 0.1.102 provides babl-0.1
pkgconfig interface and that change has not been adjusted in latest gegl release.
Looks like latest babl 0.1.102 provides babl-0.1
pkgconfig interface and that change has not been adjusted in latest gegl release.