Hello,
I have been experimenting with upgrading our embedded v8 engine to 9.6.
OS: RHel 8 , GCC: 8.2.1
I used below build options:
is_debug = false
is_clang = false
is_component_build = true
target_cpu = "x64"
v8_target_cpu = "x64"
treat_warnings_as_errors = false
use_custom_libcxx = false
use_gold = false
v8_use_external_startup_data = false
use_cxx11 = true
Almost immediately after I start compilation, I saw errors like below
examples: *../../src/heap/cppgc/marker.h:203:14: error: ‘make_unique’ is
not a member of ‘std’*
*../../src/heap/cppgc/marking-state.h:445:33: error: ‘exchange’ is not a
member of ‘std’*
*../../src/base/iterator.h:76:51: error: ‘rend’ is not a member of ‘std’*
*../../include/cppgc/type-traits.h:187:16: warning: variable templates only
available with -std=c++14 or -std=gnu++14 constexpr bool
IsGarbageCollectedMixinTypeV =*
...
...
which seems to depend on c++14. Is it still possible to compile with
use_cxx11 for 9.6?
Additionally, after I remove the use_cxx11=true, the compilation did
proceed further but I got another error:
*/usr/include/c++/8/bits/std_function.h:666:7: error:
‘std::function<_Res(_ArgTypes ...)>::function(_Functor) [with _Functor =
v8::internal::CallOrConstructBuiltinsAssembler::CallReceiver(v8::internal::Builtin,
v8::internal::TNode<v8::internal::Int32T>,
v8::internal::TNode<v8::internal::UintPtrT>,
v8::base::Optional<v8::internal::TNode<v8::internal::Object> >) [with
Descriptor = v8::internal::CallTrampoline_BaselineDescriptor]::<lambda()>;
<template-parameter-2-2> = void; <template-parameter-2-3> = void; _Res =
v8::internal::TNode<v8::internal::Object>; _ArgTypes = {}]’, declared using
local type
‘v8::internal::CallOrConstructBuiltinsAssembler::CallReceiver(v8::internal::Builtin,
v8::internal::TNode<v8::internal::Int32T>,
v8::internal::TNode<v8::internal::UintPtrT>,
v8::base::Optional<v8::internal::TNode<v8::internal::Object> >) [with
Descriptor = v8::internal::CallTrampoline_BaselineDescriptor]::<lambda()>’,
is used but never defined [-fpermissive]*
* function<_Res(_ArgTypes...)>::*
* ^~~~~~~~~~~~~~~~~~~~~~~~~~~~*
*/usr/include/c++/8/bits/std_function.h:666:7: error:
‘std::function<_Res(_ArgTypes ...)>::function(_Functor) [with _Functor =
v8::internal::CallOrConstructBuiltinsAssembler::CallReceiver(v8::internal::Builtin,
v8::internal::TNode<v8::internal::Int32T>,
v8::internal::TNode<v8::internal::UintPtrT>,
v8::base::Optional<v8::internal::TNode<v8::internal::Object> >) [with
Descriptor =
v8::internal::CallTrampoline_Baseline_CompactDescriptor]::<lambda()>;
<template-parameter-2-2> = void; <template-parameter-2-3> = void; _Res =
v8::internal::TNode<v8::internal::Object>; _ArgTypes = {}]’, declared using
local type
‘v8::internal::CallOrConstructBuiltinsAssembler::CallReceiver(v8::internal::Builtin,
v8::internal::TNode<v8::internal::Int32T>,
v8::internal::TNode<v8::internal::UintPtrT>,
v8::base::Optional<v8::internal::TNode<v8::internal::Object> >) [with
Descriptor =
v8::internal::CallTrampoline_Baseline_CompactDescriptor]::<lambda()>’, is
used but never defined [-fpermissive]*
*[2404/3065] CXX obj/v8_initializers/builtins-iterator-gen.o*
*ninja: build stopped: subcommand failed.*
Any idea how to solve this error?
Thank you!
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