[chore] Disable ccache for sgl-kernel release (#13541)

.github/workflows/release-whl-kernel.yml

@@ -45,6 +45,8 @@ jobs:
           cd sgl-kernel
           chmod +x ./build.sh
           ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}" ${{ matrix.arch == 'aarch64' && 'aarch64' || '' }}
+        env:
+          USE_CCACHE: 0
 
       - name: Upload to PyPI
         working-directory: sgl-kernel
@@ -136,6 +138,8 @@ jobs:
           cd sgl-kernel
           chmod +x ./build.sh
           ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}" ${{ matrix.arch == 'aarch64' && 'aarch64' || '' }}
+        env:
+          USE_CCACHE: 0
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v4

sgl-kernel/build.sh

@@ -48,6 +48,7 @@ echo "Cache Configuration"
 echo "==================================="
 echo "CMake download cache: ${CMAKE_DOWNLOAD_CACHE}"
 echo "ccache directory: ${CCACHE_DIR}"
+echo "ccache enabled: ${USE_CCACHE:-1}"
 echo ""
 
 docker run --rm \
@@ -56,6 +57,7 @@ docker run --rm \
    -v ${CCACHE_DIR}:/ccache \
    -e ENABLE_CMAKE_PROFILE="${ENABLE_CMAKE_PROFILE:-}" \
    -e ENABLE_BUILD_PROFILE="${ENABLE_BUILD_PROFILE:-}" \
+   -e USE_CCACHE="${USE_CCACHE:-1}" \
    ${DOCKER_IMAGE} \
    bash -c "
    set -e
@@ -98,6 +100,7 @@ docker run --rm \
    which cmake
    cmake --version
 
+   if [ \"${USE_CCACHE}\" = \"1\" ]; then
       echo \"==================================\"
       echo \"Installing and configuring ccache\"
       echo \"==================================\"
@@ -141,6 +144,12 @@ docker run --rm \
       # Show ccache stats before build
       ccache -sV || true
       echo \"\"
+   else
+      echo \"==================================\"
+      echo \"ccache disabled (USE_CCACHE=0)\"
+      echo \"==================================\"
+      echo \"\"
+   fi
 
    yum install numactl-devel -y --nogpgcheck && \
    yum install libibverbs -y --nogpgcheck && \
@@ -223,10 +232,12 @@ docker run --rm \
    fi
 
    # Show ccache statistics after build
+   if [ \"${USE_CCACHE}\" = \"1\" ]; then
       echo \"\"
       echo \"==================================\"
       echo \"ccache Statistics\"
       echo \"==================================\"
       ccache -s
       echo \"\"
+   fi
    "