// Copyright (C) 2014 Davis E. King (davis@dlib.net) // License: Boost Software License See LICENSE.txt for the full license. #ifndef DLIB_TEST_FOR_ODR_VIOLATIONS_CPp_ #define DLIB_TEST_FOR_ODR_VIOLATIONS_CPp_ #include "test_for_odr_violations.h" extern "C" { // The point of this block of code is to cause a link time error that will prevent a user // from compiling part of their application with DLIB_ASSERT enabled and part with them // disabled since doing that would be a violation of C++'s one definition rule. #ifdef ENABLE_ASSERTS const int USER_ERROR__inconsistent_build_configuration__see_dlib_faq_1 = 0; #else const int USER_ERROR__inconsistent_build_configuration__see_dlib_faq_1_ = 0; #endif // The point of this block of code is to cause a link time error if someone builds dlib via // cmake as a separately installable library, and therefore generates a dlib/config.h from // cmake, but then proceeds to use the default unconfigured dlib/config.h from version // control. It should be obvious why this is bad, if it isn't you need to read a book // about C++. Moreover, it can only happen if someone manually copies files around and // messes things up. If instead they run `make install` or `cmake --build . --target // install` things will be setup correctly, which is what they should do. To summarize: DO // NOT BUILD A STANDALONE DLIB AND THEN GO CHERRY PICKING FILES FROM THE BUILD FOLDER AND // MIXING THEM WITH THE SOURCE FROM GITHUB. USE CMAKE'S INSTALL SCRIPTS TO INSTALL DLIB. // Or even better, don't install dlib at all and instead build your program as shown in // examples/CMakeLists.txt #if defined(DLIB_NOT_CONFIGURED) && !defined(DLIB__CMAKE_GENERATED_A_CONFIG_H_FILE) const int USER_ERROR__inconsistent_build_configuration__see_dlib_faq_2 = 0; #endif #ifdef DLIB_CHECK_FOR_VERSION_MISMATCH const int DLIB_CHECK_FOR_VERSION_MISMATCH = 0; #endif } #endif // DLIB_TEST_FOR_ODR_VIOLATIONS_CPp_