fixups

Author: werwurm

CMakeLists.txt

@@ -62,6 +62,8 @@ if(NAT20_WITH_TESTS OR NAT20_WITH_CRYPTO_BSSL)
     set(CMAKE_CXX_STANDARD 17)
 endif()
 
+include(GNUInstallDirs)
+
 ###################################################################################################
 # The following section defines all the groups of source files.
 # All files must be specified explicitly; no globbing or other generation is allowed.

cmake/LibNat20Config.cmake.in

@@ -45,7 +45,7 @@ include("${CMAKE_CURRENT_LIST_DIR}/LibNat20Targets.cmake")
 
 # Set variables for compatibility
 set(LIBNAT20_LIBRARIES LibNat20::nat20)
-set(LIBNAT20_INCLUDE_DIRS "${_IMPORT_PREFIX}/include")
+set_and_check(LIBNAT20_INCLUDE_DIRS "${PACKAGE_PREFIX_DIR}/include")
 set(LIBNAT20_FOUND TRUE)
 
 # Check that all required components are available