cleanup, use .github/actions/cache-apt-packages-action/action.yml in more places

.github/workflows/alpine.build.sh

@@ -6,7 +6,7 @@ pwd
 
 uname -a
 
-make -j4
+make
 
 ./v version
 

.github/workflows/benchmark_footprint_json_decode.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Run V benchmark and save output
         run: (echo '```sh'; v -prod crun vlib/x/json2/decoder2/tests/bench.v; echo '```') > vlib/x/json2/decoder2/tests/bench_out.md

.github/workflows/benchmark_footprint_json_encode.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Run V benchmark and save output
         run: (echo '```sh'; v -prod crun vlib/v/tests/bench/bench_json_vs_json2.v; echo '```') > vlib/v/tests/bench/bench_json_vs_json2_out.md

.github/workflows/bootstrapping_ci.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Build V
-        run: make -j4
+        run: make
       - name: Test bootstrapping (v.c can be compiled and run with -os cross)
         run: |
           ls -la v vc/v.c

.github/workflows/c2v_ci.yml

@@ -32,6 +32,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         run: make && ./v symlink
 
@@ -47,15 +48,6 @@ jobs:
         run: |
           v retry -- v install --git https://github.com/vlang/c2v
           v -g ~/.vmodules/c2v/ || true
-      - name: Install dependencies
-        run: |
-          if [ "${{ runner.os }}" == "Linux" ]; then
-            .github/workflows/disable_azure_mirror.sh
-            v retry -- sudo apt update -y -qq
-            v retry -- sudo apt install libsdl2-dev libsdl2-mixer-dev libsdl2-net-dev libpng-dev libsamplerate0-dev
-          else
-            v retry -- brew install sdl2 sdl2_mixer sdl2_net libpng libsamplerate
-          fi
       - name: Build original Chocolate Doom
         run: |
           v retry -- git clone --quiet --depth 1 https://github.com/vlang/doom ~/code/doom
@@ -77,6 +69,7 @@ jobs:
       VTMP: /tmp
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         run: make && ./v symlink
 
@@ -92,19 +85,6 @@ jobs:
         run: |
           v retry -- v install --git https://github.com/vlang/c2v
           v -g ~/.vmodules/c2v/ || true
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          v retry -- sudo apt update -y -qq
-          v retry -- sudo apt install libsdl2-dev libsdl2-mixer-dev libsdl2-net-dev libpng-dev libsamplerate0-dev
-          # c2v / DOOM dependencies
-          # vgret dependencies
-          # imagemagick              : convert, mogrify, import
-          # xvfb                     : For starting X11 Virtual FrameBuffers
-          # openimageio-tools        : idiff
-          # libgl1-mesa-dri          : For headless rendering / software DRI driver (LIBGL_ALWAYS_SOFTWARE=true)
-          # freeglut3-dev            : Fixes graphic apps compilation with tcc
-          v retry -- sudo apt install imagemagick openimageio-tools freeglut3-dev libgl1-mesa-dri xvfb xsel xclip
       - name: Setup test tools
         run: |
           # Fetch the free ~4MB DOOM1.WAD from the link at https://doomwiki.org/wiki/DOOM1.WAD

.github/workflows/cross_ci.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           fetch-depth: 10
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Install dependencies
         run: |
@@ -60,14 +60,15 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 10
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Install dependencies
         run: |
           .github/workflows/disable_azure_mirror.sh
           ./v retry -- sudo apt update -y -qq
-          ./v retry -- sudo apt install --quiet -y mingw-w64 wine wine64 winetricks libssl-dev sqlite3 libsqlite3-dev
+          ./v retry -- sudo apt install --quiet -y mingw-w64 wine wine64 winetricks
 
       - name: Show diagnostics for wine
         run: |

.github/workflows/docker_ci.yml

@@ -67,7 +67,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
       - name: Build V
-        run: echo "$VFLAGS" && make -j4 && ./v -cg -o v cmd/v
+        run: echo "$VFLAGS" && make && ./v -cg -o v cmd/v
       - name: Verify `v test` works
         run: |
           echo "$VFLAGS"

.github/workflows/docs_ci.yml

@@ -26,10 +26,9 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         run: make
-      - name: Install dependencies (some examples show how to use sqlite and the x11 clipboard)
-        run: ./v retry -- sudo apt install --quiet -y libx11-dev libssl-dev sqlite3 libsqlite3-dev
       - name: Check markdown line length & code examples
         run: ./v check-md -hide-warnings .
         ## NB: -hide-warnings is used here, so that the output is less noisy,

.github/workflows/gen_vc_ci.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4
+        run: make
       - name: Regenerate v.c and v_win.c
         run: |
           git config --global user.email "vlang-bot@users.noreply.github.com"

.github/workflows/gg_regressions_ci.yml

@@ -32,21 +32,13 @@ jobs:
     steps:
       - name: Checkout V
         uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
 
       - name: Build local v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Setup dependencies
         run: |
-          # imagemagick              : convert, mogrify
-          # xvfb                     : xvfb
-          # openimageio-tools        : idiff
-          # libxcursor-dev libxi-dev : V gfx deps
-          # libgl1-mesa-dri          : For headless rendering / software DRI driver (LIBGL_ALWAYS_SOFTWARE=true)
-          # freeglut3-dev            : Fixes graphic apps compilation with tcc
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install imagemagick openimageio-tools libgl1-mesa-dri xvfb libxcursor-dev libxi-dev libxrandr-dev freeglut3-dev xsel xclip
           ./v retry -- ./v download https://raw.githubusercontent.com/tremby/imgur.sh/c98345d/imgur.sh
           ./v retry -- git clone https://github.com/Larpon/gg-regression-images gg-regression-images
           chmod +x ./imgur.sh

.github/workflows/linux_ci.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/cache-apt-packages-action
       - name: Build v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Build v with -prealloc
         run: v run ci/linux_ci.vsh build_v_with_prealloc
       - name: All code is formatted
@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: All code is formatted
         run: v run ci/linux_ci.vsh all_code_is_formatted_gcc
       - name: Install dependencies for examples and tools
@@ -141,7 +141,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: All code is formatted
         run: v run ci/linux_ci.vsh all_code_is_formatted_clang
       - name: Install dependencies for examples and tools

.github/workflows/macos_ci.yml

@@ -33,7 +33,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Test symlink
         run: v run ci/macos_ci.vsh test_symlink
       - name: v doctor

.github/workflows/module_docs_ci.yml

@@ -34,16 +34,9 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
-      - name: Update packages, before running apt install
-        run: .github/workflows/disable_azure_mirror.sh && v retry -- sudo apt update -y -qq
-      - name: Install dependencies (some modules wrap C libs)
-        run: v retry -- sudo apt install --quiet -y libpq-dev
-          libsodium-dev libasound2-dev libssl-dev \
-          sqlite3 libsqlite3-dev libfreetype6-dev \
-          libx11-dev libxi-dev freeglut3-dev \
-          libgl1-mesa-dri libxcursor-dev libgl-dev libxrandr-dev
+        run: make && ./v symlink
       - name: Install markdown from vpm
         run: v retry -- v install markdown
       - name: Test v doc

.github/workflows/more_extensive_but_slower_tests_ci.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Build V
         if: runner.os != 'Windows'
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Build V (Windows)
         if: runner.os == 'Windows'
         run: ./make.bat && ./v symlink

.github/workflows/other_ci.yml

@@ -75,7 +75,7 @@ jobs:
       - name: Environment info
         run: echo "$VFLAGS $GITHUB_SHA $GITHUB_REF"
       - name: Build local v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: v test-cleancode
         run: ./v -silent test-cleancode
       - name: v test-fmt
@@ -91,11 +91,11 @@ jobs:
       - name: Environment info
         run: echo "$VFLAGS $GITHUB_SHA $GITHUB_REF"
       - name: Build local v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Clone & Build previous vmaster/v
         run: |
           ./v retry -- git clone --depth=1 https://github.com/vlang/v vmaster/
-          (cd vmaster; make -j4)
+          (cd vmaster; make)
       - name: V versions
         run: ./v version && ./vmaster/v version
       - name: Build the repeat tool
@@ -114,15 +114,14 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 10
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build v
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Install dependencies
         run: |
           .github/workflows/disable_azure_mirror.sh
           ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y libsodium-dev libssl-dev sqlite3 libsqlite3-dev postgresql libpq-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev xfonts-75dpi xfonts-base
           ./v retry -- sudo apt install --quiet -y g++-9 g++-10
 
       - name: g++-9 version
@@ -151,7 +150,7 @@ jobs:
       - uses: actions/checkout@v5
       - name: Build local v
         run: |
-          make -j4 && ./v symlink
+          make && ./v symlink
           ./v -g -d trace_parse_stmt cmd/tools/vtest-parser.v
       - name: Install zzuf
         run: ./v retry -- sudo apt install -qq zzuf

.github/workflows/periodic_ci.yml

@@ -32,7 +32,7 @@ jobs:
       - uses: actions/checkout@v5
       - name: Build
         if: runner.os != 'Windows'
-        run: make -j4 && ./v -showcc -o v cmd/v && ./v doctor
+        run: make && ./v -showcc -o v cmd/v && ./v doctor
       - name: Build V (Windows)
         if: runner.os == 'Windows'
         run: ./make.bat -msvc && ./v -o v2.exe cmd/v && ./v2 -showcc -o v.exe cmd/v && ./v doctor

.github/workflows/sanitized_ci.yml

@@ -89,17 +89,11 @@ jobs:
       VNATIVE_SKIP_LIBC_VV: 1
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Ensure code is well formatted
         run: ./v -silent test-cleancode
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev
-          ./v retry -- sudo apt install clang
       - name: Recompile V with -cstrict
         run: ./v -cg -cstrict -o v cmd/v
       - name: Self tests (-fsanitize=undefined)
@@ -119,16 +113,11 @@ jobs:
       VNATIVE_SKIP_LIBC_VV: 1
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Ensure code is well formatted
         run: ./v -silent test-cleancode
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev
       - name: Recompile V with -cstrict
         run: ./v -cg -cstrict -o v cmd/v
       - name: Self tests (-fsanitize=undefined)
@@ -149,17 +138,11 @@ jobs:
       VNATIVE_SKIP_LIBC_VV: 1
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Ensure code is well formatted
         run: ./v -silent test-cleancode
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev
-          ./v retry -- sudo apt install clang
       - name: Recompile V with -cstrict
         run: ./v -cg -cstrict -o v cmd/v
       - name: Self tests (-fsanitize=address)
@@ -206,17 +189,11 @@ jobs:
       VNATIVE_SKIP_LIBC_VV: 1
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Ensure code is well formatted
         run: ./v -silent test-cleancode
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev
-          ./v retry -- sudo apt install clang
       - name: Recompile V with -cstrict
         run: ./v -cg -cstrict -o v cmd/v
       - name: Self tests (-fsanitize=address)
@@ -237,17 +214,11 @@ jobs:
       VNATIVE_SKIP_LIBC_VV: 1
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Ensure code is well formatted
         run: ./v -silent test-cleancode
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          ./v retry -- sudo apt update
-          ./v retry -- sudo apt install --quiet -y postgresql libpq-dev libssl-dev sqlite3 libsqlite3-dev valgrind
-          ./v retry -- sudo apt install --quiet -y libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev
-          ./v retry -- sudo apt install clang
       - name: Recompile V with clang and -cstrict
         run: ./v -cc clang -cg -cstrict -o v cmd/v
       - name: Self tests (-fsanitize=memory)

.github/workflows/sdl_ci.yml

@@ -31,16 +31,10 @@ jobs:
       VFLAGS: -cc tcc
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         run: make && sudo ./v symlink
 
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          v retry 'sudo apt update'
-          v retry 'sudo apt install -y libsdl2-dev libsdl2-ttf-dev'
-          v retry 'sudo apt install -y libsdl2-mixer-dev libsdl2-image-dev'
-
       - name: Clone sdl into .vmodules
         run: |
           v retry 'git clone --filter=blob:none https://github.com/vlang/sdl'

.github/workflows/symlink_ci.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4
+        run: make
       - name: Symlink
         run: |
           ./v symlink

.github/workflows/toml_ci.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
       - name: Install dependencies
         run: |
           v retry -- v download https://github.com/jqlang/jq/releases/download/jq-1.6/jq-linux64

.github/workflows/tools_ci.yml

@@ -35,7 +35,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v -showcc -o v cmd/v && ./v doctor
+        run: make && ./v -showcc -o v cmd/v && ./v doctor
       - name: Code in cmd/ is formatted
         run: ./v fmt -verify cmd/
       - name: Check build-tools
@@ -75,7 +75,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v -showcc -o v cmd/v && ./v doctor
+        run: make && ./v -showcc -o v cmd/v && ./v doctor
       - name: Check build-tools
         run: ./v -silent -N -W -check build-tools
       - name: Test tools
@@ -119,7 +119,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v -cg -o v cmd/v
+        run: make && ./v -cg -o v cmd/v
       - name: Ensure git commands can be used with no prompts on modern Git versions
         run: git config --global --add safe.directory /__w/v/v
       - name: Verify `v test` works

.github/workflows/v_apps_and_modules_compile_ci.yml

@@ -30,6 +30,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
 
       - name: Build V
         id: build
@@ -40,9 +41,7 @@ jobs:
           if [ "$RUNNER_OS" == 'Linux' ]; then
             .github/workflows/disable_azure_mirror.sh
             v retry -- sudo apt -qq update
-            v retry -- sudo apt -qq install libgc-dev libsodium-dev libssl-dev sqlite3 libsqlite3-dev
-            v retry -- sudo apt -qq install libfreetype6-dev libxi-dev libxcursor-dev libgl-dev libxrandr-dev libasound2-dev xfonts-75dpi xfonts-base
-            v retry -- sudo apt -qq install sassc libgit2-dev # needed by gitly
+            v retry -- sudo apt -qq install libgc-dev sassc libgit2-dev # needed by gitly
           else
             v retry brew install sassc libgit2
           fi

.github/workflows/vab_ci.yml

@@ -35,7 +35,7 @@ jobs:
 
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Install vab
         run: |
@@ -70,7 +70,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v symlink
+        run: make && ./v symlink
 
       - name: Install vab
         run: |

.github/workflows/vinix_ci.yml

@@ -28,13 +28,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build V
-        run: make -j4 && ./v symlink
-
-      - name: Install dependencies
-        run: |
-          .github/workflows/disable_azure_mirror.sh
-          v retry -- sudo apt update
-          v retry -- sudo apt install build-essential -y
+        run: make && ./v symlink
 
       - name: Clone current Vinix
         run: v retry -- git clone --depth=1 https://github.com/vlang/vinix.git

.github/workflows/vpm_ci.yml

@@ -29,7 +29,7 @@ jobs:
         run: git version
       - name: Build V
         if: runner.os != 'Windows'
-        run: cd vlang && make -j4 && ./v doctor
+        run: cd vlang && make && ./v doctor
       - name: Build V (Windows)
         if: runner.os == 'Windows'
         run: cd vlang && ./make.bat && ./v doctor

.github/workflows/vsl_and_vtl_compile_ci.yml

@@ -32,17 +32,17 @@ jobs:
       VFLAGS: -no-parallel
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         id: build
         run: make && sudo ./v symlink
       - name: Install dependencies
         run: |
           if [ "$RUNNER_OS" == 'Linux' ]; then
-          .github/workflows/disable_azure_mirror.sh
-          v retry -- sudo apt -qq update
-          v retry -- sudo apt -qq install \
-            libgc-dev libgl1-mesa-dev mesa-common-dev liblapacke-dev libopenblas-dev libopenmpi-dev \
-            opencl-headers libxcursor-dev libxi-dev libxrandr-dev libhdf5-cpp-103-1t64 libhdf5-dev libhdf5-mpi-dev hdf5-tools
+            .github/workflows/disable_azure_mirror.sh
+            v retry -- sudo apt -qq update
+            v retry -- sudo apt -qq install liblapacke-dev libopenblas-dev libopenmpi-dev \
+              opencl-headers libhdf5-cpp-103-1t64 libhdf5-dev libhdf5-mpi-dev hdf5-tools
           else
             v retry brew install coreutils hdf5 open-mpi openblas lapack opencl-headers
           fi
@@ -67,6 +67,7 @@ jobs:
       TERM: xterm
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build V
         id: build
         run: make && sudo ./v symlink
@@ -75,8 +76,7 @@ jobs:
           if [ "$RUNNER_OS" == 'Linux' ]; then
             .github/workflows/disable_azure_mirror.sh
             v retry -- sudo apt -qq update
-            v retry -- sudo apt -qq install \
-              libgc-dev libgl1-mesa-dev mesa-common-dev liblapacke-dev libopenblas-dev libopenmpi-dev
+            v retry -- sudo apt -qq install liblapacke-dev libopenblas-dev libopenmpi-dev
           else
             v retry brew install coreutils hdf5 open-mpi openblas lapack opencl-headers
           fi

.github/workflows/wasm_backend_ci.yml

@@ -56,7 +56,7 @@ jobs:
       - uses: actions/checkout@v5
       - name: Build V
         if: runner.os != 'Windows'
-        run: make -j4
+        run: make
       - name: Build V (Windows)
         if: runner.os == 'Windows'
         run: ./make.bat

.github/workflows/websockets_ci.yml

@@ -28,14 +28,13 @@ jobs:
       VFLAGS: -cc tcc -no-retry-compilation
     steps:
       - uses: actions/checkout@v5
+      - uses: ./.github/actions/cache-apt-packages-action
       - name: Build v
         run: |
           echo "$VFLAGS"
           sudo ln -s "$PWD/thirdparty/tcc/tcc.exe" /usr/local/bin/tcc ## TODO: remove
-          make -j4 && ./v symlink
+          make && ./v symlink
           ./v -g -o v cmd/v
-      - name: Install dependencies
-        run: v retry -- sudo apt install --quiet -y libssl-dev
       - name: v doctor
         run: ./v doctor
       - name: Run websockets tests