Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/cmake/CheckAndSetFlag.cmake

@@ -0,0 +1,31 @@
+include(CheckCCompilerFlag)
+include(CheckCXXCompilerFlag)
+
+macro(RemoveFlag FLAG)
+  string(REPLACE "${FLAG}" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+  string(REPLACE "${FLAG}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+endmacro()
+
+macro(CheckAndSetFlag FLAG)
+  get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
+
+  unset(C_FLAG)
+  unset(CXX_FLAG)
+  if("C" IN_LIST languages)
+    check_c_compiler_flag("${FLAG}" C_FLAG)
+    if(C_FLAG)
+      string(APPEND CMAKE_C_FLAGS " ${FLAG}")
+    endif()
+  endif()
+
+  if("CXX" IN_LIST languages)
+    check_cxx_compiler_flag("${FLAG}" CXX_FLAG)
+    if(CXX_FLAG)
+      string(APPEND CMAKE_CXX_FLAGS " ${FLAG}")
+    endif()
+  endif()
+
+  if(NOT C_FLAG AND NOT CXX_FLAG)
+    message(WARNING "compiler does not support ${FLAG}")
+  endif()
+endmacro()