/usr/lib/x86_64-linux-gnu/pkgconfig/vibe-http.pc is in libvibe-http-dev 0.8.2-1build1.
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
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: vibe-http
Description: Vibe HTTP server and client implementation and higher level HTTP functionality
Version: 0.8.2
Requires: vibe-utils vibe-crypto vibe-tls vibe-data vibe-inet vibe-stream vibe-textfilter vibe-core diet
Requires.private: zlib
Libs: -L${libdir} -lvibe-http
Cflags: -I${includedir}/d/vibe
|