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Editorial Team
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Asked: 2026-05-22T20:52:43+00:00

I built the v8 libraries on visual studio 2005 in release mode, put the

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I built the v8 libraries on visual studio 2005 in release mode, put the resulting .lib files (in release mode) and compiled my project against them.

While everything is working fine in debug mode (compiling and running correctly), in release mode I get the following link errors (as if the lib files are not there).

error LNK2001: unresolved external symbol "public: class v8::Local<class v8::Boolean> __thiscall v8::Value::ToBoolean(void)const " (?ToBoolean@Value@v8@@QBE?AV?$Local@VBoolean@v8@@@2@XZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsInt32(void)const " (?IsInt32@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsNumber(void)const " (?IsNumber@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsBoolean(void)const " (?IsBoolean@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsObject(void)const " (?IsObject@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsArray(void)const " (?IsArray@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsFunction(void)const " (?IsFunction@Value@v8@@QBE_NXZ)
error LNK2001: unresolved external symbol "public: bool __thiscall v8::Value::IsNull(void)const " (?IsNull@Value@v8@@QBE_NXZ)

My linker properties have the following additional depencies.

msvcrt.lib ntstc_msvcrt.lib Psapi.lib winmm.lib Ws2_32.lib $(SolutionDir)\external_libs\release\v8.lib

and my $(SolutionDir)\external_libs\release folder containst the files:

v8.lib, v8_base.lib, v8_snapshot.lib

Any help would be appreciated.

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1 Answer

  1. Editorial Team

    In Visual Studio the build options are separate for debug and release builds. You probably set everything up properly for debug mode, but not for release mode, hence the errors.

    I forget exactly how things are layed out in VS2005, but in VS2008, there is a combobox at the top of the solution properties dialog that lets you choose between debug/release/all configurations.

    In other words, you will have to add the additional dependencies to the linker properties section in release mode. Alternatively, in the future, make all changes with the configuration set to All configurations.

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