/usr/lib/pkgconfig/gtkgl-2.0.pc is in libgtkgl2.0-dev 2.0.1-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: GtkGLArea
Description: an OpenGL widget for GTK+
Version: 2.0.1
Requires: gtk+-2.0
Libs: -L${libdir} -lgtkgl-2.0 -lGLU -lGL
Cflags: -I${includedir}/gtkgl-2.0
|