Shared library - wrong build command

[nicolasjinchereau]

Reproduce: 1) install Mono-D 2.12.3 for Xamarin Studio on OSX Yosemite 2) create a new shared library project 3) build it

Output is:

///////////////////////////////// Building Solution: SharedTest (Debug)

Building: SharedTest (Debug) Performing main compilation... Current dictionary: /Users/Bitwise/Desktop/SharedTest dmd -debug -gc "myclass.d" "-I/usr/share/dmd/src" "-L/IMPLIB:/Users/Bitwise/Desktop/SharedTest/bin/Debug/libSharedTest.a" "-odobj/Debug" "-of/Users/Bitwise/Desktop/SharedTest/bin/Debug/libSharedTest.so" -w -vcolumns ld: file not found: /IMPLIB:/Users/Bitwise/Desktop/SharedTest/bin/Debug/libSharedTest.a clang: error: linker command failed with exit code 1 (use -v to see invocation) --- errorlevel 1 Exit code 1 Build complete -- 1 error, 0 warnings ---------------------- Done ---------------------- Build: 1 error, 0 warnings //////////////////////////////////

Where is the flag -shared? What is IMPLIB:?

[nicolasjinchereau]

Think I found a solution.

In the file Building/CompilerPresets/dmd.xml I replaced all of "-L/IMPLIB:$lib" with -shared

This should have fixed the problem, but Mono-D global settings were not updated. Once I updated global settings D/CompilerToolchains/Debug Arguments with the above changes, everything worked.

[aBothe]

Hmm, I really got to make the build parameterization OS-individual. I just hate the additional complexity one needs to handle e.g. in the option GUI.

[nicolasjinchereau]

Ok, I see now. It's an optlink flag which also causes dmd to magically infer the -shared flag. I understand what you mean though. I've been over the docks for XS addins, and don't remember seeing much support for platform specific behavior.

I guess you're also aware then that the shared lib starter project on windows gives a bunch of linker errors because DLLMain is not defined? ;)

[aBothe]

I probably have to remove some of those template projects :D

[nicolasjinchereau]

You could add this(untested) code to the example dll. People can just deleted it if they don't want it. I don't have a solution for the command lines though =/

version(Windows)
{
    import core.sys.windows.dll;    
    import core.sys.windows.windows : HINSTANCE;

    extern(Windows)
    bool DllMain(HINSTANCE hInstance, uint ulReason, void* reserved)
    {
        import core.sys.windows.windows;
        switch(ulReason)
        {
            default: assert(0);
            case DLL_PROCESS_ATTACH:
                return dll_process_attach( hInstance, true );

            case DLL_PROCESS_DETACH:
                dll_process_detach( hInstance, true );
                return true;

            case DLL_THREAD_ATTACH:
                return dll_thread_attach( true, true );

            case DLL_THREAD_DETACH:
                return dll_thread_detach( true, true );
        }
    }
}

[aBothe]

good idea!