Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

//usr/lib/x86_64-linux-gnu/pkgconfig/x11.pc

 prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include

xthreadlib=-lpthread

Name: X11
Description: X Library
Version: 1.6.4
Requires: xproto kbproto
Requires.private: xcb >= 1.11.1
Cflags: -I${includedir} 
Libs: -L${libdir} -lX11
Libs.private: -lpthread