diff -up openbabel-openbabel-2-4-1/openbabel-2.0.pc.cmake.p openbabel-openbabel-2-4-1/openbabel-2.0.pc.cmake
--- openbabel-openbabel-2-4-1/openbabel-2.0.pc.cmake.p	2016-10-10 17:56:17.000000000 +0200
+++ openbabel-openbabel-2-4-1/openbabel-2.0.pc.cmake	2019-01-27 10:47:00.905546971 +0100
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
-libdir=${exec_prefix}/@LIB_INSTALL_DIR@
+libdir=${exec_prefix}/lib@LIB_SUFFIX@
 includedir=${prefix}/include
 pkgincludedir=${includedir}/openbabel-2.0