/usr/lib/x86_64-linux-gnu/pkgconfig/libmygpo-qt.pc is in libmygpo-qt-dev 1.0.9-2.
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 12 13 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include/mygpo-qt
Name: libmygpo-qt
Description: libmygpo-qt is a C++/Qt Library that wraps the gpodder.net WebAPI
URL: http://wiki.gpodder.org/wiki/Libmygpo-qt
Version: 1.0.9
Requires: QtCore QtNetwork
Requires.private: QJson
Libs: -L${libdir} -lmygpo-qt
Cflags: -I${includedir}
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