[Qbs] Exporting libraries to link only for MinGW

[NIkolai Marchenko]

You don't need a group here in the first place. Just
cpp.dynamicLibraries: {
    var libs = [];
    if(qbs.toolchain.contains("mingw"))
        libs = libs.concat(["pthread", "ole32"] )
    return libs;
}

On Sat, Feb 22, 2020 at 12:17 AM Björn Schäpers <qt-maillist at hazardy.de>
wrote:

> Hi,
>
> I'm trying to incorporate Howard Hinnant's date library and he states
> "mingw users: -lpthread and -lole32 are required"
>
> So I tried
>
>      StaticLibrary {
>          files: ["date/include/date/*.h", "date/src/*.cpp"]
>          name: "date"
>
>          Depends { name: "cpp" }
>
>          cpp.cxxLanguageVersion: "c++17"
>          cpp.defines: ["HAS_REMOTE_API=0","AUTO_DOWNLOAD=0","INSTALL=."]
>          cpp.includePaths: ["date/include"]
>
>          Export {
>              Depends { name: "cpp" }
>
>              cpp.defines: product.cpp.defines
>              cpp.includePaths: ["date/include"]
>
>              Group {
>                  condition: qbs.toolchain.contains("mingw")
>
>                  cpp.dynamicLibraries: ["pthread", "ole32"]
>              }
>          }
>      }
>
> But that doesn't work, even though QtCreator shows the Group as active. It
> doesn't matter to what I change the condition, only when I remove the
> Group at
> all the Libraries are added to the link command.
>
> How do I correctly state these dependencies?
>
> Best regards,
> Björn.
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>
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