From 374945346ab16e7a637ac736e8ba9bd88b03e839 Mon Sep 17 00:00:00 2001
From: SJunkies <41368976+SJunkies@users.noreply.github.com>
Date: Mon, 27 Jul 2020 17:53:19 +0200
Subject: [PATCH] Fix: -DUSE_SYSTEM_MBEDTLS_LIBS=ON - undefined reference
 (#898)

---
 cmake/Findmbedtls.cmake | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/cmake/Findmbedtls.cmake b/cmake/Findmbedtls.cmake
index 9fd21bc7..f243c924 100644
--- a/cmake/Findmbedtls.cmake
+++ b/cmake/Findmbedtls.cmake
@@ -5,6 +5,7 @@ find_library(MBEDTLS_X509_LIBRARY mbedx509)
 find_library(MBEDTLS_CRYPTO_LIBRARY mbedcrypto)
 
 set(MBEDTLS_LIBRARIES ${MBEDTLS_SSL_LIBRARY} ${MBEDTLS_X509_LIBRARY} ${MBEDTLS_CRYPTO_LIBRARY})
+set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARIES} PARENT_SCOPE)
 
 if (MBEDTLS_INCLUDE_DIR AND EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
     file(STRINGS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h" _MBEDTLS_VERSION_STRING REGEX "^#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"[0-9]+.[0-9]+.[0-9]+\"")
@@ -12,14 +13,17 @@ if (MBEDTLS_INCLUDE_DIR AND EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
 endif ()
 
 if (MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES AND MBEDTLS_VERSION)
-            find_package_handle_standard_args(mbedtls
-                REQUIRED_VARS
-                        MBEDTLS_INCLUDE_DIR
-                        MBEDTLS_LIBRARIES
-                VERSION_VAR
-                        MBEDTLS_VERSION
-            )
 
-        mark_as_advanced (MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARIES MBEDTLS_SSL_LIBRARY MBEDTLS_X509_LIBRARY MBEDTLS_CRYPTO_LIBRARY)
+    include(FindPackageHandleStandardArgs)
+
+    find_package_handle_standard_args(mbedtls
+        REQUIRED_VARS
+                MBEDTLS_INCLUDE_DIR
+                MBEDTLS_LIBRARIES
+        VERSION_VAR
+                MBEDTLS_VERSION
+    )
+
+    mark_as_advanced (MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARIES MBEDTLS_SSL_LIBRARY MBEDTLS_X509_LIBRARY MBEDTLS_CRYPTO_LIBRARY)
 
 endif (MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES AND MBEDTLS_VERSION)