Какой движок лучше выбрать

C:\Users\8Observer8\Downloads\box2d-master\dist>mingw32-make
Scanning dependencies of target box2d
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Scanning dependencies of target unit_test
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In file included from C:\Users\8Observer8\Downloads\box2d-master\unit-test\hello_world.cpp:27:
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4634:14: error: 'mutex' in namespace 'std' does not name a type
         std::mutex mutex;
              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4634:9: note: 'std::mutex' is defined in header '<mutex>'; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:2757:1:
+#include <mutex>
 
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4634:9:
         std::mutex mutex;
         ^~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::XmlReporter::test_case_exception(const doctest::TestCaseException&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4792:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::XmlReporter::subcase_start(const doctest::SubcaseSignature&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4800:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::XmlReporter::log_assert(const doctest::AssertData&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4815:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::XmlReporter::log_message(const doctest::MessageData&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4841:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: At global scope:
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4884:14: error: 'mutex' in namespace 'std' does not name a type
         std::mutex                    mutex;
              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:4884:9: note: 'std::mutex' is defined in header '<mutex>'; did you forget to '#include <mutex>'?
         std::mutex                    mutex;
         ^~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::ConsoleReporter::subcase_start(const doctest::SubcaseSignature&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5257:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::ConsoleReporter::subcase_end()':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5263:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::ConsoleReporter::log_assert(const doctest::AssertData&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5272:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h: In member function 'virtual void doctest::{anonymous}::ConsoleReporter::log_message(const doctest::MessageData&)':
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:34: error: 'mutex' is not a member of 'std'
             std::lock_guard<std::mutex> lock(mutex);
                                  ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:34: error: 'mutex' is not a member of 'std'
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:34: note: 'std::mutex' is defined in header '<mutex '; did you forget to '#include <mutex>'?
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:39: error: template argument 1 is invalid
             std::lock_guard<std::mutex> lock(mutex);
                                       ^
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:46: error: 'mutex' was not declared in this scope
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
C:\Users\8Observer8\Downloads\box2d-master\unit-test\doctest.h:5330:46: note: suggested alternative: 'mktemp'
             std::lock_guard<std::mutex> lock(mutex);
                                              ^~~~~
                                              mktemp
mingw32-make[2]: *** [unit-test\CMakeFiles\unit_test.dir\build.make:83: unit-test/CMakeFiles/unit_test.dir/hello_world.cpp.obj] Error 1
mingw32-make[1]: *** [CMakeFiles\Makefile2:266: unit-test/CMakeFiles/unit_test.dir/all] Error 2
mingw32-make: *** [Makefile:103: all] Error 2