diff -up gflags-2.2.2/cmake/package.pc.in.orig gflags-2.2.2/cmake/package.pc.in
--- gflags-2.2.2/cmake/package.pc.in.orig 2018-11-11 22:21:00.000000000 +0100
+++ gflags-2.2.2/cmake/package.pc.in 2020-03-09 13:54:40.797884193 +0100
@@ -1,7 +1,7 @@
prefix=@CMAKE_INSTALL_PREFIX@
exec_prefix=${prefix}
bindir=${prefix}/@RUNTIME_INSTALL_DIR@
-libdir=${prefix}/@LIBRARY_INSTALL_DIR@
+libdir=@LIBRARY_INSTALL_DIR@
includedir=${prefix}/@INCLUDE_INSTALL_DIR@
Name: @PACKAGE_NAME@