From 9d2700e31e11e3c623b7562f4def5fb60ebbbdeb Mon Sep 17 00:00:00 2001
From: igneum-labs <337424239+igneum-labs@users.noreply.github.com>
Date: Sat, 3 Oct 2026 19:33:16 +0000
Subject: [PATCH] windows-miner: always add the MSVC lib dir for nvcc, AMD
 worker runs from proto-opencl, keep-awake constant

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
---
 proto-cuda/windows-miner/start-mining.ps1 | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/proto-cuda/windows-miner/start-mining.ps1 b/proto-cuda/windows-miner/start-mining.ps1
index bc55de86a..69e7cf297 100644
--- a/proto-cuda/windows-miner/start-mining.ps1
+++ b/proto-cuda/windows-miner/start-mining.ps1
@@ -115,7 +115,9 @@ if ($haveCl) {
     $libFirst = if ($env:LIB) { ($env:LIB -split ';')[0] } else { 'EMPTY' }
     $incFirst = if ($env:INCLUDE) { ($env:INCLUDE -split ';')[0] } else { 'EMPTY' }
     Log "MSVC environment: cl at $((Get-Command cl.exe).Source); LIB starts with $libFirst; INCLUDE starts with $incFirst"
-    if (-not $env:LIB) { Log 'LIB is empty: nvcc link steps will fail (LNK1104); trying the fallback'; [void](Set-LibFallback) }
+    # Always add the newest MSVC lib dir and the Windows Kits dirs in front of LIB: a vcvars import can leave LIB without
+    # the MSVC lib directory (seen on the project lead's PC: LIB started with ucrt and nvcc's link failed on LIBCMT.lib).
+    [void](Set-LibFallback); Log ('LIB now starts with ' + (($env:LIB -split ';')[0]))
 }
 $haveNvcc = [bool](Get-Command nvcc.exe -ErrorAction SilentlyContinue)
 $openclSdk = $null
@@ -237,7 +239,7 @@ function Start-Miner($v, $inst) {
         else { $margs += @('--worker-args', ('"--vendor ' + $amdVendor.Replace(' ', '_') + '"')) }
     }
     Set-Content -Path $inst.log -Value "igneum-mine-test $($inst.label) $machine $(Get-Date -Format 'yyyy-MM-dd HH:mm:ss') node $nodeUrl run $($inst.runId) start $($inst.starts)"
-    $inst.proc = Start-Process -FilePath $miner -ArgumentList $margs -WorkingDirectory $root -RedirectStandardOutput $inst.log -RedirectStandardError $inst.err -NoNewWindow -PassThru
+    $inst.proc = Start-Process -FilePath $miner -ArgumentList $margs -WorkingDirectory $(if ($v.name -eq 'amd') { Join-Path $root 'proto-opencl' } else { $root }) -RedirectStandardOutput $inst.log -RedirectStandardError $inst.err -NoNewWindow -PassThru
     $inst.startedAt = Get-Date
     Log "$($inst.label) started (pid $($inst.proc.Id)): `"$miner`" $($margs -join ' ')  -> $($inst.log)"
 }
@@ -311,7 +313,7 @@ try {
 [DllImport("kernel32.dll", SetLastError = true)]
 public static extern uint SetThreadExecutionState(uint esFlags);
 '@
-    [void]$keepAwake::SetThreadExecutionState([uint32]0x80000000 -bor [uint32]0x00000001)   # ES_CONTINUOUS | ES_SYSTEM_REQUIRED
+    [void]$keepAwake::SetThreadExecutionState([uint32]2147483648 -bor [uint32]0x00000001)   # ES_CONTINUOUS | ES_SYSTEM_REQUIRED
     Log 'keeping the PC awake while mining'
 } catch { Log "could not set the keep-awake state: $_ (set Sleep to Never for the night)"; $keepAwake = $null }
 $lastAwake = Get-Date
@@ -325,7 +327,7 @@ try {
     while (-not $stop) {
         Start-Sleep -Milliseconds 1000
         if ($keepAwake -and ((Get-Date) - $lastAwake).TotalSeconds -ge 60) {
-            [void]$keepAwake::SetThreadExecutionState([uint32]0x80000000 -bor [uint32]0x00000001)
+            [void]$keepAwake::SetThreadExecutionState([uint32]2147483648 -bor [uint32]0x00000001)
             $lastAwake = Get-Date
         }
         while ([Console]::KeyAvailable) {
@@ -367,7 +369,7 @@ try {
     }
 } finally {
     [Console]::TreatControlCAsInput = $false
-    if ($keepAwake) { [void]$keepAwake::SetThreadExecutionState([uint32]0x80000000); Log 'released the keep-awake state' }   # ES_CONTINUOUS alone clears it
+    if ($keepAwake) { [void]$keepAwake::SetThreadExecutionState([uint32]2147483648); Log 'released the keep-awake state' }   # ES_CONTINUOUS alone clears it
     Log 'stopping the miners and workers'
     Stop-All
     Start-Sleep -Seconds 2