ci: Properly install rocwmma for hip builds

Author: IMbackK

.github/workflows/build.yml

@@ -487,7 +487,7 @@ jobs:
         id: depends
         run: |
           sudo apt-get update
-          sudo apt-get install -y build-essential git cmake rocblas-dev hipblas-dev libcurl4-openssl-dev
+          sudo apt-get install -y build-essential git cmake rocblas-dev hipblas-dev libcurl4-openssl-dev rocwmma-dev
 
       - name: ccache
         uses: ggml-org/[email protected]
@@ -1141,6 +1141,22 @@ jobs:
           }
           & $clangPath.FullName --version
 
+      - name: Install rocwmma
+        run: |
+          $env:HIP_PATH=$(Resolve-Path 'C:\Program Files\AMD\ROCm\*\bin\clang.exe' | split-path | split-path)
+          $env:CMAKE_PREFIX_PATH="${env:HIP_PATH}"
+          cd rocwmma
+          cmake -G "Unix Makefiles" -B build -S . `
+          -DROCWMMA_BUILD_TESTS=Off `
+          -DROCWMMA_BUILD_SAMPLES=Off `
+          -DBUILD_OFFLOAD_COMPRESS=Off `
+          -DCMAKE_CXX_COMPILER="${env:HIP_PATH}\bin\clang++.exe" `
+          -DCMAKE_C_COMPILER=="${env:HIP_PATH}\bin\clang.exe" `
+          -DCMAKE_POLICY_VERSION_MINIMUM=3.5 `
+          -DCMAKE_INSTALL_PREFIX=./install
+          cmake --install build
+          cd ..
+
       - name: Install ccache
         uses: ggml-org/[email protected]
         with:
@@ -1161,8 +1177,9 @@ jobs:
           cmake -G "Unix Makefiles" -B build -S . `
             -DCMAKE_C_COMPILER="${env:HIP_PATH}\bin\clang.exe" `
             -DCMAKE_CXX_COMPILER="${env:HIP_PATH}\bin\clang++.exe" `
-            -DCMAKE_CXX_FLAGS="-I$($PWD.Path.Replace('\', '/'))/rocwmma/library/include/" `
+            -DCMAKE_CXX_FLAGS="-I$($PWD.Path.Replace('\', '/'))/rocwmma/install/include/" `
             -DCMAKE_BUILD_TYPE=Release `
+            -DROCM_DIR="${env:HIP_PATH}" `
             -DGGML_HIP=ON `
             -DGGML_HIP_ROCWMMA_FATTN=ON `
             -DGGML_RPC=ON `