add breakpad support on linux

src/CMakeLists.txt

@@ -126,6 +126,16 @@ target_sources(tomato PUBLIC
 	./debug_video_tap.cpp
 )
 
+if (TOMATO_BREAKPAD)
+	target_sources(tomato PUBLIC
+		./breakpad_client.hpp
+		./breakpad_client.cpp
+	)
+
+	target_link_libraries(tomato PUBLIC breakpad_client)
+	target_compile_definitions(tomato PUBLIC TOMATO_BREAKPAD)
+endif()
+
 if (TOMATO_TOX_AV)
 	target_sources(tomato PUBLIC
 		./tox_av.hpp
@@ -167,9 +177,6 @@ target_link_libraries(tomato PUBLIC
 	SDL3_image::SDL3_image
 )
 
-# probably not enough
-#target_compile_definitions(tomato PUBLIC ENTT_API_EXPORT)
-
 set_target_properties(tomato PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
 ########################################

src/breakpad_client.cpp

@@ -0,0 +1,10 @@
+#include "./breakpad_client.hpp"
+
+// if linux
+
+bool dumpCallback(const google_breakpad::MinidumpDescriptor& descriptor, void*, bool succeeded) {
+	fprintf(stderr, "Crash detected, MiniDump written to: %s\n", descriptor.path());
+	return succeeded;
+}
+
+// endif linux

src/breakpad_client.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+// TODO: if linux/android
+
+#include <client/linux/handler/exception_handler.h>
+
+bool dumpCallback(const google_breakpad::MinidumpDescriptor& descriptor, void*, bool succeeded);
+
+#define BREAKPAD_MAIN_INIT \
+	google_breakpad::MinidumpDescriptor bp_descriptor{"/tmp"}; \
+	bp_descriptor.set_sanitize_stacks(true); /* *should* remove most PII from stack mem dump */ \
+	bp_descriptor.set_size_limit(50*1024*1024); /* limit to 50mb */ \
+	google_breakpad::ExceptionHandler bp_eh{ \
+		bp_descriptor, \
+		nullptr, \
+		dumpCallback, \
+		nullptr, \
+		true, /* install handler */ \
+		-1, /* dump in-process (OOP would be better) */ \
+	}
+
+// endif linux

src/main.cpp

@@ -19,14 +19,24 @@
 #include <thread>
 #include <chrono>
 
+#ifdef TOMATO_BREAKPAD
+#	include "./breakpad_client.hpp"
+#endif
+
 int main(int argc, char** argv) {
+	runSysCheck();
+
+#ifdef TOMATO_BREAKPAD
+	// TODO: maybe run before sys check?
+	BREAKPAD_MAIN_INIT;
+#endif
+
 	// better args
 	std::vector<std::string_view> args;
 	for (int i = 0; i < argc; i++) {
 		args.push_back(argv[i]);
 	}
 
-	runSysCheck();
 
 	SDL_SetAppMetadata("tomato", "0.0.0-wip", nullptr);