Fix CI

Author: xen-000

.github/workflows/build.yml

@@ -14,6 +14,10 @@ jobs:
   linux:
     name: linux build
     runs-on: ubuntu-latest
+    env:
+      HL2SDKCS2: ${{ github.workspace }}/cs2fixes/sdk
+      CC: clang
+      CXX: clang++
     container:
       image: idk1703/build-img:11
     steps:
@@ -24,13 +28,6 @@ jobs:
           ref: master
           path: metamod-source
 
-      - name: Checking out hl2sdk
-        uses: actions/checkout@v3
-        with:
-          repository: alliedmodders/hl2sdk
-          ref: cs2
-          path: hl2sdk-cs2
-
       - name: Checking out own repository
         uses: actions/checkout@v3
         with:
@@ -46,6 +43,8 @@ jobs:
   windows:
     name: windows build
     runs-on: windows-latest
+    env:
+      HL2SDKCS2: ${{ github.workspace }}/cs2fixes/sdk
     steps:
       - name: Setting up Python
         uses: actions/setup-python@v4
@@ -63,13 +62,6 @@ jobs:
           repository: alliedmodders/metamod-source
           ref: master
           path: metamod-source
-
-      - name: Checking out hl2sdk
-        uses: actions/checkout@v3
-        with:
-          repository: alliedmodders/hl2sdk
-          ref: cs2
-          path: hl2sdk-cs2
 
       - name: Checking out own repository
         uses: actions/checkout@v3
@@ -81,4 +73,4 @@ jobs:
         working-directory: cs2fixes
         run: |
           python3 configure.py --enable-optimize --symbol-files --sdks cs2
-          ambuild objdir
+          ambuild objdir