But I got another error:
I was using this to compile: g++ -I. -Iinclude samples/hello-world.cc -o hello_world -Lout.gn/x64.release/obj/ -lrt -ldl -pthread -std=c++14 -DV8_COMPRESS_POINTERS And I got this error: /tmp/ccIoFwWc.o: In function `main': hello-world.cc:(.text+0x2c): undefined reference to `v8::V8::InitializeICUDefaultLocation(char const*, char const*)' hello-world.cc:(.text+0x3e): undefined reference to `v8::V8::InitializeExternalStartupData(char const*)' hello-world.cc:(.text+0x75): undefined reference to `v8::platform::NewDefaultPlatform(int, v8::platform::IdleTaskSupport, v8::platform::InProcessStackDumping, std::unique_ptr<v8::TracingController, std::default_delete<v8::TracingController> >)' hello-world.cc:(.text+0x9b): undefined reference to `v8::V8::InitializePlatform(v8::Platform*)' hello-world.cc:(.text+0xac): undefined reference to `v8::V8::Initialize(int)' hello-world.cc:(.text+0xbb): undefined reference to `v8::Isolate::CreateParams::CreateParams()' hello-world.cc:(.text+0xc0): undefined reference to `v8::ArrayBuffer::Allocator::NewDefaultAllocator()' hello-world.cc:(.text+0xd6): undefined reference to `v8::Isolate::New(v8::Isolate::CreateParams const&)' hello-world.cc:(.text+0x106): undefined reference to `v8::HandleScope::HandleScope(v8::Isolate*)' hello-world.cc:(.text+0x16e): undefined reference to `v8::Context::New(v8::Isolate*, v8::ExtensionConfiguration*, v8::MaybeLocal<v8::ObjectTemplate>, v8::MaybeLocal<v8::Value>, v8::DeserializeInternalFieldsCallback, v8::MicrotaskQueue*)' hello-world.cc:(.text+0x1af): undefined reference to `v8::Context::Enter()' hello-world.cc:(.text+0x1ea): undefined reference to `v8::Script::Compile(v8::Local<v8::Context>, v8::Local<v8::String>, v8::ScriptOrigin*)' hello-world.cc:(.text+0x20b): undefined reference to `v8::V8::ToLocalEmpty()' hello-world.cc:(.text+0x248): undefined reference to `v8::Script::Run(v8::Local<v8::Context>)' hello-world.cc:(.text+0x269): undefined reference to `v8::V8::ToLocalEmpty()' hello-world.cc:(.text+0x2aa): undefined reference to `v8::String::Utf8Value::Utf8Value(v8::Isolate*, v8::Local<v8::Value>)' hello-world.cc:(.text+0x2d0): undefined reference to `v8::String::Utf8Value::~Utf8Value()' hello-world.cc:(.text+0x357): undefined reference to `v8::Script::Compile(v8::Local<v8::Context>, v8::Local<v8::String>, v8::ScriptOrigin*)' hello-world.cc:(.text+0x378): undefined reference to `v8::V8::ToLocalEmpty()' hello-world.cc:(.text+0x3af): undefined reference to `v8::Script::Run(v8::Local<v8::Context>)' hello-world.cc:(.text+0x3d0): undefined reference to `v8::V8::ToLocalEmpty()' hello-world.cc:(.text+0x407): undefined reference to `v8::Value::Uint32Value(v8::Local<v8::Context>) const' hello-world.cc:(.text+0x43d): undefined reference to `v8::V8::FromJustIsNothing()' hello-world.cc:(.text+0x475): undefined reference to `v8::Context::Exit()' hello-world.cc:(.text+0x484): undefined reference to `v8::HandleScope::~HandleScope()' hello-world.cc:(.text+0x49f): undefined reference to `v8::Isolate::Dispose()' hello-world.cc:(.text+0x4a4): undefined reference to `v8::V8::Dispose()' hello-world.cc:(.text+0x4a9): undefined reference to `v8::V8::ShutdownPlatform()' hello-world.cc:(.text+0x4e6): undefined reference to `v8::Isolate::CreateParams::~CreateParams()' hello-world.cc:(.text+0x52b): undefined reference to `v8::String::Utf8Value::~Utf8Value()' hello-world.cc:(.text+0x54a): undefined reference to `v8::Context::Exit()' hello-world.cc:(.text+0x55e): undefined reference to `v8::HandleScope::~HandleScope()' hello-world.cc:(.text+0x586): undefined reference to `v8::Isolate::CreateParams::~CreateParams()' /tmp/ccIoFwWc.o: In function `v8::Isolate::Scope::Scope(v8::Isolate*)': hello-world.cc:(.text._ZN2v87Isolate5ScopeC2EPS0_[_ZN2v87Isolate5ScopeC5EPS0_]+0x23): undefined reference to `v8::Isolate::Enter()' /tmp/ccIoFwWc.o: In function `v8::Isolate::Scope::~Scope()': hello-world.cc:(.text._ZN2v87Isolate5ScopeD2Ev[_ZN2v87Isolate5ScopeD5Ev]+0x17): undefined reference to `v8::Isolate::Exit()' /tmp/ccIoFwWc.o: In function `v8::Local<v8::String> v8::String::NewFromUtf8Literal<21>(v8::Isolate*, char const (&) [21], v8::NewStringType)': hello-world.cc:(.text._ZN2v86String18NewFromUtf8LiteralILi21EEENS_5LocalIS0_EEPNS_7IsolateERAT__KcNS_13NewStringTypeE[_ZN2v86String18NewFromUtf8LiteralILi21EEENS_5LocalIS0_EEPNS_7IsolateERAT__KcNS_13NewStringTypeE]+0x27): undefined reference to `v8::String::NewFromUtf8Literal(v8::Isolate*, char const*, v8::NewStringType, int)' /tmp/ccIoFwWc.o: In function `v8::Local<v8::String> v8::String::NewFromUtf8Literal<487>(v8::Isolate*, char const (&) [487], v8::NewStringType)': hello-world.cc:(.text._ZN2v86String18NewFromUtf8LiteralILi487EEENS_5LocalIS0_EEPNS_7IsolateERAT__KcNS_13NewStringTypeE[_ZN2v86String18NewFromUtf8LiteralILi487EEENS_5LocalIS0_EEPNS_7IsolateERAT__KcNS_13NewStringTypeE]+0x27): undefined reference to `v8::String::NewFromUtf8Literal(v8::Isolate*, char const*, v8::NewStringType, int)' collect2: error: ld returned 1 exit status What can I do about that? :( Thanks. 在2020年12月15日星期二 UTC+8 下午12:35:30<Ricky Du> 写道： > Thank you, I am using c++0x， > I haven't noticed that. > :) > > 在2020年12月15日星期二 UTC+8 上午7:03:33<[email protected]> 写道： > >> How are you attempting to build? I see on >> https://en.cppreference.com/w/cpp/types/remove_cv that remove_cv_t was >> introduced in C++ 14; are you using an older compiler? >> >> >> ------------------------------ >> *From:* [email protected] <[email protected]> on behalf of >> Ricky Du <[email protected]> >> *Sent:* Monday, December 14, 2020 11:37 AM >> *To:* [email protected] <[email protected]> >> *Subject:* [EXTERNAL] [v8-dev] Complie sample error >> >> In file included from ./include/v8.h:30:0, >> from samples/process.cc:28: >> ./include/v8-internal.h: In function ‘void >> v8::internal::PerformCastCheck(T*)’: >> ./include/v8-internal.h:452:33: error: ‘remove_cv_t’ is not a member of >> ‘std’ >> !std::is_same<Data, >> std::remove_cv_t<T>>::value>::Perform(data); >> ^ >> ./include/v8-internal.h:452:33: error: ‘remove_cv_t’ is not a member of >> ‘std’ >> ./include/v8-internal.h:452:50: error: template argument 2 is invalid >> !std::is_same<Data, >> std::remove_cv_t<T>>::value>::Perform(data); >> ^ >> ./include/v8-internal.h:452:61: error: ‘::Perform’ has not been declared >> !std::is_same<Data, >> std::remove_cv_t<T>>::value>::Perform(data); >> >> I don't know what's the problem, thank you so much! >> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgroups.google.com%2Fgroup%2Fv8-dev&data=04%7C01%7Cseth.brenith%40microsoft.com%7C3fcc155d64224cf1d9d008d8a067a8f2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637435714505996491%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=62CU8YhdWZWLbuvi52wjNcJy87ms3afTN430yPwGnL8%3D&reserved=0> >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/CAPZXk3gaLTB8E%3DBE3QD-DHoQG5BOK7n9ViWVCk%3D05f3dC7mKhQ%40mail.gmail.com >> >> <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fv8-dev%2FCAPZXk3gaLTB8E%253DBE3QD-DHoQG5BOK7n9ViWVCk%253D05f3dC7mKhQ%2540mail.gmail.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=04%7C01%7Cseth.brenith%40microsoft.com%7C3fcc155d64224cf1d9d008d8a067a8f2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637435714505996491%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=xYswU5xwg%2Bo%2FeiQxKg1jN2jOpqbcql8jbFpHFK2mFko%3D&reserved=0> >> . >> > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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