ci: Add sparse to build CI (C=1)

Signed-off-by: Aleksa Savic <[email protected]>

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
  path: src
  - run: echo "::add-matcher::src/.github/workflows/gcc-problem-matcher.json"
  - run: sudo apt-get update
- - run: sudo apt-get install -y libelf-dev
+ - run: sudo apt-get install -y libelf-dev sparse
  - uses: actions/checkout@v4
  with:
  repository: torvalds/linux
@@ -32,9 +32,9 @@ jobs:
  - run: cp src/.github/workflows/all.config linux/
  - run: scripts/config --file all.config ${{ matrix.kconfig_pm }} ${{ matrix.kconfig_debug_fs }}
  working-directory: linux
- - run: KCONFIG_ALLCONFIG=1 KCFLAGS=-Werror make allnoconfig
+ - run: KCONFIG_ALLCONFIG=1 KCFLAGS=-Werror make C=1 allnoconfig
  working-directory: linux
- - run: KCFLAGS=-Werror make -j$(nproc)
+ - run: KCFLAGS=-Werror make C=1 -j$(nproc)
  working-directory: linux
- - run: KCFLAGS=-Werror make -k "KDIR=${{ github.workspace }}/linux"
+ - run: KCFLAGS=-Werror make C=1 -k "KDIR=${{ github.workspace }}/linux"
  working-directory: src