Merge branch 'feature_crashreport' into develop

CMakeLists.txt

@@ -75,8 +75,29 @@ if(${BIGENDIAN})
 endif(${BIGENDIAN})
 
 
-######## Set URLs ########
+######## Dark magic crash reports ########
+option(MultiMC_HANDLE_SEGV "Handle fatal crashes and generate crash reports." OFF)
+set(CRASH_HANDLER_IMPL "")
+message(STATUS "Crash dumps are ${MultiMC_HANDLE_SEGV}")
+if (MultiMC_HANDLE_SEGV)
+	add_definitions(-DHANDLE_SEGV)
+	if (WIN32)
+		find_package(DbgHelp)
+		set(MultiMC_LINK_ADDITIONAL_LIBS "${MultiMC_LINK_ADDITIONAL_LIBS}dbghelp")
+		set(MultiMC_CRASH_HANDLER_EXTRA_H "WinBacktrace.h")
+		set(MultiMC_CRASH_HANDLER_EXTRA_CPP "WinBacktrace.cpp")
+	endif ()
+endif ()
 
+option(MultiMC_TEST_SEGV "Intentionally segfault sometimes to test crash handling." OFF)
+if (MultiMC_TEST_SEGV)
+	# TODO: Make this a unit test instead.
+	message(WARNING "You have enabled crash handler testing. MULTIMC WILL INTENTIONALLY CRASH ITSELF. Crashes should occur on exit and when the new instance button is pressed.")
+	add_definitions(-DTEST_SEGV)
+endif ()
+
+
+######## Set URLs ########
 set(MultiMC_NEWS_RSS_URL "http://multimc.org/rss.xml" CACHE STRING "URL to fetch MultiMC's news RSS feed from.")
 
 
@@ -250,6 +271,12 @@ SET(MULTIMC_SOURCES
 	BuildConfig.h
 	${PROJECT_BINARY_DIR}/BuildConfig.cpp
 
+	# Crash handling
+	HandleCrash.h
+	HandleCrash.cpp
+	${MultiMC_CRASH_HANDLER_EXTRA_H} # Extra platform specific stuff
+	${MultiMC_CRASH_HANDLER_EXTRA_CPP}
+
 	# Logging
 	logger/QsDebugOutput.cpp
 	logger/QsDebugOutput.h