diff -ru source/buildlib/template.pc.in source-fixed/buildlib/template.pc.in
--- source/buildlib/template.pc.in	1970-01-01 01:00:01.000000000 +0100
+++ source-fixed/buildlib/template.pc.in	2022-03-30 22:29:12.988625941 +0200
@@ -1,7 +1,6 @@
-prefix=@CMAKE_INSTALL_PREFIX@
-exec_prefix=${prefix}
-libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+libdir=@CMAKE_INSTALL_LIBDIR@
+includedir=@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: lib@PC_LIB_NAME@
 Description: RDMA Core Userspace Library