From c1cf1a97c5c3904fe1a1c26f64a3d2846b594fd6 Mon Sep 17 00:00:00 2001
From: Alban Le Moult <alban.lemoult@gmail.com>
Date: Sat, 17 Apr 2021 15:31:29 +0200
Subject: [PATCH] CMakeLists.txt: Fix interface export when DTLS is off

Prevents TinyDTLS includes from being passed into the interface variable when ENABLE_DTLS is OFF but USE_VENDORED_TINYDTLS is ON.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 284d10f8..7518acf7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -469,7 +469,7 @@ target_include_directories(
          $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/>
          $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/>
          $<INSTALL_INTERFACE:include/>
-         $<$<BOOL:${USE_VENDORED_TINYDTLS}>:${CMAKE_BINARY_DIR}/include/tinydtls>
+         $<$<AND:$<BOOL:${HAVE_LIBTINYDTLS}>,$<BOOL:${USE_VENDORED_TINYDTLS}>>:${CMAKE_BINARY_DIR}/include/tinydtls>
          $<$<BOOL:${HAVE_LIBGNUTLS}>:${GNUTLS_INCLUDE_DIR}>
          $<$<BOOL:${HAVE_LIBGNUTLS}>:${MBEDTLS_INCLUDE_DIRS}>)
 target_link_libraries(