Fix cmake compilation of vcard.cc

CMakeLists.txt

@@ -234,8 +234,10 @@ endif()
 
 set(STRICT_OPTIONS_CPP )
 set(STRICT_OPTIONS_C )
+set(STRICT_OPTIONS_CXX )
 set(STRICT_OPTIONS_OBJC )
 if(NOT MSVC)
+	list(APPEND STRICT_OPTIONS_CXX "-std=c++11")
 	list(APPEND STRICT_OPTIONS_CPP "-Wall" "-Wuninitialized" "-Wno-error=deprecated-declarations")
 	list(APPEND STRICT_OPTIONS_C "-Wdeclaration-after-statement" "-Wstrict-prototypes" "-Wno-error=strict-prototypes")
 	if(CMAKE_C_COMPILER_ID STREQUAL "Clang")

coreapi/CMakeLists.txt

@@ -137,9 +137,6 @@ add_definitions(
 	-DLIBLINPHONE_EXPORTS
 )
 
-apply_compile_flags(LINPHONE_SOURCE_FILES_C "CPP" "C")
-apply_compile_flags(LINPHONE_SOURCE_FILES_CXX "CPP" "CXX")
-
 set(LIBS
 	${BELLESIP_LIBRARIES}
 	${MEDIASTREAMER2_LIBRARIES}
@@ -174,6 +171,9 @@ else()
 	list(APPEND LINPHONE_SOURCE_FILES_C vcard_stubs.c)
 endif()
 
+apply_compile_flags(LINPHONE_SOURCE_FILES_C "CPP" "C")
+apply_compile_flags(LINPHONE_SOURCE_FILES_CXX "CPP" "CXX")
+
 if(ENABLE_STATIC)
 	add_library(linphone STATIC ${LINPHONE_HEADER_FILES} ${LINPHONE_SOURCE_FILES_C} ${LINPHONE_SOURCE_FILES_CXX})
 	target_link_libraries(linphone ${LIBS})