--- Modules/FindPkgConfig.cmake.orig	2021-07-10 00:25:42 UTC
+++ Modules/FindPkgConfig.cmake
@@ -351,6 +351,9 @@ macro(_pkg_set_path_internal)
         endif()
       endif()
     endif()
+    if(CMAKE_SYSTEM_NAME STREQUAL "BSDSUniX" AND NOT CMAKE_CROSSCOMPILING)
+      list(APPEND _lib_dirs "libdata/pkgconfig")
+    endif()
     if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" AND NOT CMAKE_CROSSCOMPILING)
       list(APPEND _lib_dirs "libdata/pkgconfig")
     endif()