os_stub/mbedtlslib: Add a MBEDTLS_FLAGS option

Similar to OPENSSL_FLAGS add a MBEDTLS_FLAGS CMake variable.

Signed-off-by: Alistair Francis <[email protected]>

Author: alistair23

os_stub/mbedtlslib/CMakeLists.txt

@@ -23,7 +23,7 @@ if(CMAKE_SYSTEM_NAME MATCHES "Windows")
         TARGET_COMPILE_OPTIONS(mbedtls PRIVATE /wd4090 /wd4244 /wd4132 /wd4245 /wd4310 /wd4701 /wd4127 /wd4204 /wd4702)
     endif()
 else()
-    TARGET_COMPILE_OPTIONS(mbedtls PRIVATE -Wno-cast-qual)
+    TARGET_COMPILE_OPTIONS(mbedtls PRIVATE -Wno-cast-qual ${MBEDTLS_FLAGS})
 endif()
 if(ARCH STREQUAL "x64")
     TARGET_COMPILE_DEFINITIONS(mbedtls PRIVATE -DEFIx64)
@@ -46,7 +46,7 @@ if(CMAKE_SYSTEM_NAME MATCHES "Windows")
         TARGET_COMPILE_OPTIONS(mbedx509 PRIVATE /wd4090 /wd4244 /wd4132 /wd4245 /wd4310 /wd4701 /wd4127 /wd4204 /wd4702)
     endif()
 else()
-    TARGET_COMPILE_OPTIONS(mbedx509 PRIVATE -Wno-cast-qual)
+    TARGET_COMPILE_OPTIONS(mbedx509 PRIVATE -Wno-cast-qual ${MBEDTLS_FLAGS})
 endif()
 if(ARCH STREQUAL "x64")
     TARGET_COMPILE_DEFINITIONS(mbedx509 PRIVATE -DEFIx64)
@@ -69,7 +69,7 @@ if(CMAKE_SYSTEM_NAME MATCHES "Windows")
         TARGET_COMPILE_OPTIONS(mbedcrypto PRIVATE /wd4090 /wd4244 /wd4132 /wd4245 /wd4310 /wd4701 /wd4127 /wd4204 /wd4702)
     endif()
 else()
-    TARGET_COMPILE_OPTIONS(mbedcrypto PRIVATE -Wno-cast-qual)
+    TARGET_COMPILE_OPTIONS(mbedcrypto PRIVATE -Wno-cast-qual ${MBEDTLS_FLAGS})
 endif()
 if(ARCH STREQUAL "x64")
     TARGET_COMPILE_DEFINITIONS(mbedcrypto PRIVATE -DEFIx64)