print cxx flags at lib_json

Author: pyounghwaYoon

src/lib_json/CMakeLists.txt

@@ -2,6 +2,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_G
     #-Werror=* was introduced -after- GCC 4.1.2
     add_compile_options("-Werror=strict-aliasing")
 endif()
+message("lib_json CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
 
 include(CheckIncludeFileCXX)
 include(CheckTypeSize)

src/test_lib_json/CMakeLists.txt

@@ -8,6 +8,7 @@ add_executable(jsoncpp_test
     main.cpp
 )
 
+message("test_lib_json CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
 
 if(BUILD_SHARED_LIBS)
     if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12.0)