/usr/lib/pkgconfig/xorg-server.pc is in xserver-xorg-dev 2:1.11.4-0ubuntu10.
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 14 15 16 17 18 19 20 21 | prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
datarootdir=${prefix}/share
moduledir=${exec_prefix}/lib/xorg/modules
sdkdir=${prefix}/include/xorg
sysconfigdir=${datarootdir}/X11/xorg.conf.d
abi_ansic=0.4
abi_videodrv=11.0
abi_xinput=16.0
abi_extension=6.0
Name: xorg-server
Description: Modular X.Org X Server
Version: 1.11.3
Requires: pixman-1 pciaccess
Requires.private: xproto >= 7.0.22 randrproto >= 1.2.99.3 renderproto >= 0.11 xextproto >= 7.1.99 inputproto >= 2.1.99.6 kbproto >= 1.0.3 fontsproto videoproto dri2proto >= 2.6 xineramaproto
Cflags: -I${sdkdir} -fvisibility=hidden
Libs: -L${libdir}
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