<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin-top:6.0pt;
        margin-right:0cm;
        margin-bottom:6.0pt;
        margin-left:0cm;
        font-size:11.0pt;
        font-family:"Calibri",sans-serif;
        mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:#0563C1;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:#954F72;
        text-decoration:underline;}
p
        {mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0cm;
        mso-margin-bottom-alt:auto;
        margin-left:0cm;
        font-size:12.0pt;
        font-family:"Times New Roman",serif;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:6.0pt;
        margin-right:0cm;
        margin-bottom:6.0pt;
        margin-left:36.0pt;
        font-size:11.0pt;
        font-family:"Calibri",sans-serif;
        mso-fareast-language:EN-US;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri",sans-serif;
        color:windowtext;}
p.Code, li.Code, div.Code
        {mso-style-name:Code;
        mso-style-link:"Code Char";
        margin-top:0cm;
        margin-right:0cm;
        margin-bottom:0cm;
        margin-left:36.0pt;
        margin-bottom:.0001pt;
        font-size:9.0pt;
        font-family:"Courier New";
        mso-fareast-language:EN-US;
        font-weight:bold;}
span.CodeChar
        {mso-style-name:"Code Char";
        mso-style-link:Code;
        font-family:"Courier New";
        font-weight:bold;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri",sans-serif;
        mso-fareast-language:EN-US;}
.MsoPapDefault
        {mso-style-type:export-only;
        margin-top:6.0pt;
        margin-right:0cm;
        margin-bottom:6.0pt;
        margin-left:0cm;}
@page WordSection1
        {size:612.0pt 792.0pt;
        margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:150565574;
        mso-list-type:hybrid;
        mso-list-template-ids:-1249863664 -1 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
        {mso-level-start-at:0;
        mso-level-number-format:bullet;
        mso-level-text:\F0D8;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;
        mso-fareast-font-family:"Times New Roman";
        mso-bidi-font-family:"Times New Roman";}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level3
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l0:level4
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l0:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level6
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l0:level7
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l0:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level9
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l1
        {mso-list-id:660473309;
        mso-list-type:hybrid;
        mso-list-template-ids:418530254 134807553 134807555 134807557 134807553 134807555 134807557 134807553 134807555 134807557;}
@list l1:level1
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:18.0pt;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l1:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:54.0pt;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l1:level3
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:90.0pt;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l1:level4
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:126.0pt;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l1:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:162.0pt;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l1:level6
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:198.0pt;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l1:level7
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:234.0pt;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l1:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:270.0pt;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l1:level9
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        margin-left:306.0pt;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l2
        {mso-list-id:820582190;
        mso-list-type:hybrid;
        mso-list-template-ids:424695294 134807553 134807555 134807557 134807553 134807555 134807557 134807553 134807555 134807557;}
@list l2:level1
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l2:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l2:level3
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l2:level4
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l2:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l2:level6
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l2:level7
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l2:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l2:level9
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l3
        {mso-list-id:1188134148;
        mso-list-type:hybrid;
        mso-list-template-ids:-632933082 134807553 134807555 134807557 134807553 134807555 134807557 134807553 134807555 134807557;}
@list l3:level1
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l3:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l3:level3
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l3:level4
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l3:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l3:level6
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l3:level7
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l3:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l3:level9
        {mso-level-number-format:bullet;
        mso-level-text:\F0A7;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
ol
        {margin-bottom:0cm;}
ul
        {margin-bottom:0cm;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-GB" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal">Friends<o:p></o:p></p>
<p class="MsoNormal">I want to thank everyone who has responded – very helpful!<o:p></o:p></p>
<p class="MsoNormal">Thanks to your help I am making progress<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l3 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]>I re-installed msys64 from scratch, this time following the instructions on the GHC wiki rather than the msys2 page.  By doing update-core; then pacman -Su; then pacman -Su again, I got a clean install.   Very good!<o:p></o:p></p>
<p class="MsoListParagraph">Getting a shell between each step is tricky.<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l3 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]>The first shell is gotten with mingw64.bat<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l3 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]>After update-core, that file is gone; you have to use msys2_shell.cmd I think<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l3 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]>After pacman -Su we get mingw64.exe, which we can use thereafter.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l3 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]>My slow-start problem appears to have gone away.   I adopted the fix from
<o:p></o:p></p>
<p style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:72.0pt;margin-bottom:.0001pt">
<span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri",sans-serif">you may be hitting a long standing issue some computers have in which the domain controller is being hit for every invocation of commands, causing a slowdown
<a href="https://github.com/Alexpux/MSYS2-packages/issues/138">https://github.com/Alexpux/MSYS2-packages/issues/138</a> , Solution 2 from
<a href="https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fgist.github.com%2fk-takata%2f9b8d143f0f3fef5abdab&data=01%7c01%7csimonpj%40064d.mgd.microsoft.com%7cdd4588e2f3ff499367c308d39f535acd%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=KQFg%2f83I5Vj%2bS4ivgSvAI%2bpt3A04ulMjbO%2bbIrsb%2btQ%3d">
https://gist.github.com/k-takata/9b8d143f0f3fef5abdab</a> seems to fix it for most people.</span><span lang="EN-US" style="font-size:10.0pt"><o:p></o:p></span></p>
<p class="MsoListParagraph">I am not absolutely certain that was the problem, but things seem ok now.  I also excluded c:/msys64 from my antivirus check.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l2 level1 lfo4"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]>Emacs too is now working normally.  Hurrah<o:p></o:p></p>
<p class="MsoNormal">So that’s all good.<o:p></o:p></p>
<p class="MsoNormal">Now I’m stuck on the windows tarballs download thing.  I get<o:p></o:p></p>
<p class="Code">configure: Checking for Windows toolchain tarballs...<o:p></o:p></p>
<p class="Code">configure: Extracting Windows toolchain from archives (may take a while)...<o:p></o:p></p>
<p class="Code">File not found - *.tar.xz<o:p></o:p></p>
<p class="MsoNormal">I tried both the things described on <a href="https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows">
the wiki</a>:<o:p></o:p></p>
<p class="Code">Pacman -R mingw-w64-x86_64-curl<o:p></o:p></p>
<p class="Code">error: target not found: mingw-w64-x86_64-curl<o:p></o:p></p>
<p class="MsoNormal">For the other I did the two mkdir things, and tried ./configure again, but got the same error message as above.<o:p></o:p></p>
<p class="MsoNormal">So I’m stuck again, but further forward.  Can you advise me?<o:p></o:p></p>
<p class="MsoNormal">Thanks!<o:p></o:p></p>
<p class="MsoNormal">Simon<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>