From 2958bf2a0eb620211afc0c7224d12325370fe1d8 Mon Sep 17 00:00:00 2001
From: Krasimir Angelov <kr.angelov@gmail.com>
Date: Wed, 9 Sep 2026 13:42:26 +0200
Subject: [PATCH] try installing libpgf in GHC's own MinGW

---
 .github/workflows/build-majestic.yml | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build-majestic.yml b/.github/workflows/build-majestic.yml
index 79f1902fc..e22323ba7 100644
--- a/.github/workflows/build-majestic.yml
+++ b/.github/workflows/build-majestic.yml
@@ -348,6 +348,16 @@ jobs:
       with:
         ghc-version: 8
 
+    - name: Install libpgf for GHC
+        shell: pwsh
+        run: |
+          $ghcLibDir = ghc --print-libdir
+          $ghcRoot = Split-Path (Split-Path $ghcLibDir -Parent) -Parent
+
+          Copy-Item "${{ github.workspace }}\lib\*" "$ghcRoot\mingw\lib\" -Force
+          Copy-Item "${{ github.workspace }}\include\pgf" "$ghcRoot\mingw\include\" -Recurse -Force
+          Copy-Item "${{ github.workspace }}\bin\libpgf-0.dll" "$ghcRoot\bin\" -Force
+
     - name: Install Haskell build tools
       run: |
         cabal v1-install alex happy
@@ -355,9 +365,7 @@ jobs:
     - name: build and test the runtime
       working-directory: ./src/runtime/haskell
       run: |
-        dir ${{ github.workspace }}\lib
-        dir ${{ github.workspace }}\include
-        cabal v1-install --extra-lib-dirs=${{ github.workspace }}\lib --extra-include-dirs=${{ github.workspace }}\include
+        cabal v1-install
         cabal test
 
     - name: build the compiler