/usr/lib/pkgconfig/libdar64.pc is in libdar-dev 2.4.15-1.
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=${prefix}/include
Name: libdar
Description: Disk ARchive library
Requires:
Version: 5.6.2
Libs: -L${libdir} -ldar64 -lpthread -lattr -lgcrypt -lgpg-error -llzo2 -lbz2 -lz -ldl
Cflags: -I${includedir} -DLIBDAR_MODE=64
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