/usr/lib/x86_64-linux-gnu/pkgconfig/qtermwidget5.pc is in libqtermwidget5-0-dev 0.8.0-5.
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 | # file generated by create_pkgconfig_file()
prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: qtermwidget5
Description: QTermWidget library for Qt 0.x
Version: 0.8.0
Requires: Qt5Widgets, libutf8proc
Cflags: -I${includedir} -I${includedir}/qtermwidget5
Libs: -L${libdir} -lqtermwidget5
|