Revert "fudge and bread"

This reverts commit 6afe29682d.

CMakeLists.txt

@@ -509,7 +509,7 @@ endif()
 set(USED_SOURCES ${ENGINE_SOURCES} ${AUDIO_SOURCES} src/main.cpp)
 
 if (USE_BACKWARD)
-  list(APPEND DEPENDENCIES_DEFINES HAVE_BACKWARD)
+  list(APPEND USED_SOURCES src/backtrace.cpp)
   if (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     list(APPEND DEPENDENCIES_LIBRARIES dbghelp psapi)
   endif()

src/backtrace.cpp

@@ -39,12 +39,4 @@ namespace backward {
 
 backward::SignalHandling sh;
 
-void checkInitialized() {
-  if (!sh.loaded()) {
-#ifdef _WIN32
-    MessageBox(NULL,"Warning","crash backtrace not available!",MB_OK|MB_ICONWARNING);
-#endif
-  }
-}
-
 } // namespace backward

src/main.cpp

@@ -39,10 +39,6 @@
 #include "gui/gui.h"
 #endif
 
-#ifdef HAVE_BACKWARD
-#include "../extern/backward/backward.hpp"
-#endif
-
 DivEngine e;
 
 #ifdef HAVE_GUI
@@ -246,7 +242,6 @@ void initParams() {
 // TODO: CoInitializeEx on Windows?
 // TODO: add crash log
 int main(int argc, char** argv) {
-  backward::SignalHandling sh;
   initLog();
 #if !(defined(__APPLE__) || defined(_WIN32) || defined(ANDROID))
   // workaround for Wayland HiDPI issue
@@ -306,12 +301,6 @@ int main(int argc, char** argv) {
     }
   }
 
-  if (!sh.loaded()) {
-#ifdef _WIN32
-    MessageBox(NULL,"Warning","crash backtrace not available!",MB_OK|MB_ICONWARNING);
-#endif
-  }
-
   e.setConsoleMode(consoleMode);
 
 #ifdef _WIN32