Hi, <div><br></div><div>It seems to be saying that the package is incompatible with ghc 8.4. You can try &#39;cabal install hsdev --allow-newer&#39; but this probably well result in a compile error if the package depends on ghc api. </div><div><br></div><div>If it does then you need an older platform. </div><div><br></div><div>Kind regards, </div><div>Tamar </div><div><br></div><div><div class="gmail_quote"><div dir="ltr">On Fri, Aug 31, 2018, 17:48 Yotam Ohad &lt;<a href="mailto:yotam2206@gmail.com">yotam2206@gmail.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="rtl"><div dir="ltr">Hi cafe,</div><div dir="ltr"><br></div><div dir="ltr">I installed haskell platform for windows 10 and then ran `cabal install hsdev`</div><div dir="ltr">I got the following error:</div><div dir="ltr"><br></div><div dir="ltr"><font face="monospace">Resolving dependencies...<br>cabal: Could not resolve dependencies:<br>[__0] trying: hsdev-0.3.1.4 (user goal)<br>[__1] trying: hlint-2.1.10 (dependency of hsdev)<br>[__2] trying: haskell-src-exts-1.20.2 (dependency of hsdev)<br>[__3] next goal: ghc-syb-utils (dependency of hsdev)<br>[__3] rejecting: ghc-syb-utils-0.3.0.0 (conflict: hsdev =&gt;<br>ghc-syb-utils&gt;=0.2.3 &amp;&amp; &lt;0.3)<br>[__3] trying: ghc-syb-utils-0.2.3.3<br>[__4] next goal: ghc (dependency of hsdev)<br>[__4] rejecting: ghc-8.4.3/installed-8.4..., ghc-8.4.3, ghc-8.4.1 (conflict:<br>ghc-syb-utils =&gt; ghc&gt;=7.0 &amp;&amp; &lt;8.4)<br>[__4] rejecting: ghc-8.2.2, ghc-8.2.1 (conflict: hsdev =&gt; ghc==8.4.*)<br>After searching the rest of the dependency tree exhaustively, these were the<br>goals I&#39;ve had most trouble fulfilling: hsdev, haskell-src-exts, ghc-mod,<br>hlint, base, ghc, ghc-syb-utils</font></div><div dir="ltr"><font face="monospace"><br></font></div><div dir="ltr"><font face="monospace"><font face="sans-serif">Any Ideas on how to solve this? I&#39;m clueless<br></font></font></div><div dir="ltr"><font face="monospace"><font face="sans-serif"><br></font></font></div><div dir="ltr"><font face="monospace"><font face="sans-serif">thanks</font></font><br></div></div>
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