Add some swap memory for Linux

Author: timothyschoen

.github/workflows/cmake.yml

@@ -326,6 +326,16 @@ jobs:
           key: ${{ matrix.name }}
           max-size: 800M
 
+      - name: Setup swap for linking
+        run: |
+          mkdir -p /tmp/swap
+          mount -t tmpfs -o size=2G tmpfs /tmp/swap
+          dd if=/dev/zero of=/tmp/swap/swapfile bs=1M count=2048
+          chmod 600 /tmp/swap/swapfile
+          mkswap /tmp/swap/swapfile
+          swapon /tmp/swap/swapfile
+          free -h
+
       - name: Configure
         working-directory: ${{github.workspace}}
         run: CXX=g++ cmake -Bbuild -GNinja -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache