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How to build dub from source on Raspberry PI 4 , freebsd-OS, having a functional ldc2 compiler
Jan 16, 2023
Alain De Vos
Jan 17, 2023
Alain De Vos
January 16, 2023
Gravatar of Alain De VosPosted by Alain De VosReply
Alain De Vos
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Cloned the git sources of dub.
Done:
export CC=gcc
ldc2 ./build.d
Then running build spits out:

Using pre-existing version file. To force a rebuild, provide an explicit version (first argument) or remove: /home/freebsd/Git_app/dub/./source/dub/version_.d
Building dub using /usr/local/bin/ldc2 (dflags: ["-g", "-O", "-w"]), this may take a while...
Command ["/usr/local/bin/ldc2", "-of/home/freebsd/Git_app/dub/./bin/dub", "-I/home/freebsd/Git_app/dub/./source", "-version=DubUseCurl", "-version=DubApplication", "-g", "-O", "-w", "@build-files.txt"] failed, output was:
ldc2: for the --version option: does not allow a value! 'DubUseCurl' specified.
ldc2: for the --version option: does not allow a value! 'DubApplication' specified.

What is this ?

It gives me the option LDC but it is ldc2 ?

January 17, 2023
Gravatar of Richard (Rikki) Andrew CattermolePosted by Richard (Rikki) Andrew Cattermole
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Richard (Rikki) Andrew Cattermole
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For dmd to specify a version to enable you use ``-version=``, for ldc you use ``--d-version=``.

But why is it using ldc2 to compile? Its meant to be using the wrapper ldmd2 which swaps the dmd style to ldc2 style.

Also why are you building dub? Does your build of ldc not come with it for some reason?
January 17, 2023
Gravatar of Alain De VosPosted by Alain De Vos
in reply to Richard (Rikki) Andrew Cattermole		Reply
Alain De Vos
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On Monday, 16 January 2023 at 12:07:29 UTC, Richard (Rikki) Andrew Cattermole wrote:
> For dmd to specify a version to enable you use ``-version=``, for ldc you use ``--d-version=``.
>
> But why is it using ldc2 to compile? Its meant to be using the wrapper ldmd2 which swaps the dmd style to ldc2 style.
>
> Also why are you building dub? Does your build of ldc not come with it for some reason?

The  native d-compiler on freebsd-arm64 is ldc2. But it comes without dub.
[No dmd or gdc is available or they have to be build with llvm/gcc/ldc2 ]