I can also provide PKGBUILD for the AUR soon.
LTCD: LKU9oqy4LdbX9hSFH3CrEnZEEYGEtGvCPR
sunerok: Can you pastebin the errors you are receiving?
Edit: Sent response, I guess I was slightly late. Glad you got it working.
64-bit Arch compiled binaries:
https://github.com/TrollByFire/LitecoinDark-Unofficial/releases/tag/arch-linux-64-binary
SHA512SUMS
732a525d04f6eaaec686b10e05ff995df50ab8401e6fb3b9a8f172bfd9b32b9d121c2d0851bd81090f8269ca88d8f63c83b24313e6f60822f8cc402d85a23ac7 litecoindarkd
de582a884e81133ff24d79025c1e4ceda71341fe5daa21ad191aa0439fe7ce25b4618013b8a83b45f03910664464218ec3d3624c360406b0bfa2bec9337d603d litecoindark-qt
Edit: For the sake of the upcoming binaries, here is my PGP public key:
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v2
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cm9sbEJ5RmlyZSBMVENEIERldmVsb3BtZW50IEtleSkgPGcuYWxsZW4wMkBnbWFp
bC5jb20+iQE/BBMBAgApBQJUCCqJAhsDBQkB4TOABwsJCAcDAgEGFQgCCQoLBBYC
AwECHgECF4AACgkQdm+OHmitP1g7CAgAj2L8FZ/FuhcP1nYAM4HTaNu7mL7EltYd
eCenk7b+6hOYAa5nRhtRSo/PVvkULYvW/SdRAMl5jVO6VzGP45eZE7YwVTrw2WYi
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is/XhjERa2n89M+A1u8UN3EieZldVbNGF48VBHOIfd7/ChFF8c6uf18w/xcO/86W
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kOqiMJultzLzeTT7lsZnrOX0WBKjdnTcPM+WBXCQIrIlaWzMBg86M7kBDQRUCCqJ
AQgA5nHsERZCb/WmtAorF8/u+0mkey6P2Fn1YeU9hl8HUh34hZ0H2h62FHEW2NWM
5n5NO+thPa3OjhyMMZIojbUtYhtEjYN8guJ/N0qjvFQ9dBb5w4bamyfSo16yT99l
/vE+NDaQ0opuV+VmA4xVRh4xQPGW6R5IaapoMZ3NWUAe+/jB7QztiLNXy5IGkRxD
+6xFMzovUt8vfH41z/K5HqmQut56OnP6T7kh6ecs4j7tPGjbpQ2fxErBfjYPspKr
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pka28SUA1cCymcE+6LpDdbKsrQARAQABiQElBBgBAgAPBQJUCCqJAhsMBQkB4TOA
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adOCECcZFftPAxc0+ifJOVfQRFR86i7Q6VuHx7p3o6z5vfYUYJFSCaE878ZRWY/D
8ydhEOGim7Uzc4i6adHaxhT7d976bG5LsCdv3rAE5I3af1qLKJouu76J+MZWfHx6
FWCm1vG2340nNZ4iwHCM73wpRTxeCVLSP6HUIXMGtBcmKlZC03RMN3Cy3j65S78J
x68EDjbyQHc3K2HvhtaIhezxk/XJFyoB6rBArPhwL/o=
=5//2
-----END PGP PUBLIC KEY BLOCK-----