From https://github.com/transmission/transmission/pull/7631
From: "Azamat H. Hackimov" <azamat.hackimov@gmail.com>
Date: Thu, 26 Jun 2025 18:59:19 +0300
Subject: [PATCH 1/2] Generate imported targets for MbedTLS

This change allows to use MbedTLS 3.6 config module without significant
code alteration which simplifies integration with future versions of
MbedTLS.

Signed-off-by: Azamat H. Hackimov <azamat.hackimov@gmail.com>
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -298,8 +298,7 @@ if(WITH_CRYPTO STREQUAL "AUTO" OR WITH_CRYPTO STREQUAL "mbedtls")
     tr_fixup_list_option(WITH_CRYPTO "mbedtls" MBEDTLS_FOUND "AUTO" MBEDTLS_IS_REQUIRED)
     if(WITH_CRYPTO STREQUAL "mbedtls")
         set(CRYPTO_PKG "mbedtls")
-        set(CRYPTO_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIRS})
-        set(CRYPTO_LIBRARIES ${MBEDTLS_LIBRARIES})
+        set(CRYPTO_LIBRARIES MbedTLS::mbedtls MbedTLS::mbedcrypto)
     endif()
 endif()
 
--- a/cmake/FindMbedTLS.cmake
+++ b/cmake/FindMbedTLS.cmake
@@ -43,6 +43,22 @@ find_package_handle_standard_args(MbedTLS
         MBEDTLS_INCLUDE_DIR
     VERSION_VAR MBEDTLS_VERSION)
 
+if(MBEDTLS_LIBRARY AND NOT TARGET MbedTLS::mbedtls)
+    add_library(MbedTLS::mbedtls UNKNOWN IMPORTED)
+    set_target_properties(MbedTLS::mbedtls PROPERTIES
+        IMPORTED_LOCATION ${MBEDTLS_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${MBEDTLS_INCLUDE_DIR}
+    )
+endif()
+
+if(MBEDCRYPTO_LIBRARY AND NOT TARGET MbedTLS::mbedcrypto)
+    add_library(MbedTLS::mbedcrypto UNKNOWN IMPORTED)
+    set_target_properties(MbedTLS::mbedcrypto PROPERTIES
+        IMPORTED_LOCATION ${MBEDCRYPTO_LIBRARY}
+        INTERFACE_INCLUDE_DIRECTORIES ${MBEDTLS_INCLUDE_DIR}
+    )
+endif()
+
 mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDCRYPTO_LIBRARY)
 
 if(MBEDTLS_PREFER_STATIC_LIB)

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,7 @@ set(GLIBMM_MINIMUM 2.60.0)
 set(GTKMM3_MINIMUM 3.24.0)
 set(GTKMM4_MINIMUM 4.11.1)
 set(OPENSSL_MINIMUM 1.1.0)
-set(MBEDTLS_MINIMUM 1.3)
+set(MBEDTLS_MINIMUM 3.6)
 set(NPM_MINIMUM 8.1.307) # Node.js 14
 set(PSL_MINIMUM 0.21.1)
 set(QT_MINIMUM 5.6)