Use static buffers for mprintf and debug_printf, cut down on library dependencies

.gitea/workflows/build_iso.yaml

@@ -7,26 +7,16 @@ on:
 
 jobs:
   build-and-deploy:
-    runs-on: ubuntu-22.04
+    runs-on: mop3-latest
+    container:
+      image: git.kamkow1lair.pl/kamkow1/mop3/mop3-deploy:latest
+      credentials:
+        username: kamkow1
+        password: ${{ secrets.GITEA_TOKEN }}
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
 
-      - name: Add LLVM APT repo
-        run: |
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x llvm.sh
-          sudo ./llvm.sh 21
-
-      - name: Install software
-        run: |
-          sudo apt-add-repository universe
-          sudo apt-get update
-          sudo apt-get install -y make rsync clang-21 clang-tools-21 bear llvm-21 lld xorriso
-          sudo ln -sf /usr/bin/clang-21 /usr/bin/clang
-          sudo ln -sf /usr/bin/clang-doc-21 /usr/bin/clang-doc
-          sudo ln -sf /usr/bin/llvm-ar-21 /usr/bin/llvm-ar
-
       - name: Build release
         run: ./aux/devel.sh
 

.gitea/workflows/docs.yaml

@@ -7,25 +7,16 @@ on:
 
 jobs:
   build-and-deploy:
-    runs-on: ubuntu-22.04
+    runs-on: mop3-latest
+    container:
+      image: git.kamkow1lair.pl/kamkow1/mop3/mop3-deploy:latest
+      credentials:
+        username: kamkow1
+        password: ${{ secrets.GITEA_TOKEN }}
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
 
-      - name: Add LLVM APT repo
-        run: |
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x llvm.sh
-          sudo ./llvm.sh 21
-
-      - name: Install software
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y make rsync clang-21 clang-tools-21 bear llvm-21
-          sudo ln -sf /usr/bin/clang-21 /usr/bin/clang
-          sudo ln -sf /usr/bin/clang-doc-21 /usr/bin/clang-doc
-          sudo ln -sf /usr/bin/llvm-ar-21 /usr/bin/llvm-ar
-
       - name: Set up python3
         uses: actions/setup-python@v5
         with: