CMake: supply SIGC_BUILD and use CMAKE_CXX_STANDARD, for MSVC

jefftrull · murraycu · commit ec1b7ca2494d · 2019-06-03T15:30:26.000+02:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -28,7 +28,7 @@ option (SIGCXX_DISABLE_DEPRECATED "Disable deprecated" OFF)
 
 project (sigc++)
 
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
+set( CMAKE_CXX_STANDARD 17 )
 
 set (PROJECT_SOURCE_DIR "${sigc++_SOURCE_DIR}/sigc++")
 
diff --git a/sigc++/CMakeLists.txt b/sigc++/CMakeLists.txt
@@ -27,6 +27,7 @@ add_library(${SIGCPP_LIB_NAME} SHARED ${SOURCE_FILES})
 
 set_property (TARGET ${SIGCPP_LIB_NAME} PROPERTY VERSION ${PACKAGE_VERSION})
 set_property(TARGET ${SIGCPP_LIB_NAME}  PROPERTY SOVERSION ${LIBSIGCPP_SOVERSION})
+target_compile_definitions( ${SIGCPP_LIB_NAME} PRIVATE -DSIGC_BUILD )
 
 set (INCLUDE_INSTALL_DIR "include/${PROJECT_NAME}-${SIGCXX_API_VERSION}")
 
