build without network everywhere

Author: powerboat9

.github/workflows/ccpp.yml

@@ -149,7 +149,8 @@ jobs:
            cd gccrs-build; \
            # Add cargo to our path quickly
            . "$HOME/.cargo/env";
-           make -Otarget -j $(nproc) 2>&1 | tee log
+           # Build without network access
+           unshare --net --ipc -r /bin/bash -c "make -Otarget -j $(nproc) 2>&1 | tee log ; exit \${PIPESTATUS[0]}"
 
     - name: Check for new warnings
       run: |
@@ -235,7 +236,8 @@ jobs:
            cd gccrs-build; \
            # Add cargo to our path quickly
            . "$HOME/.cargo/env";
-           make -Otarget -j $(nproc) 2>&1 | tee log
+           # Build without network access
+           unshare --net --ipc -r /bin/bash -c "make -Otarget -j $(nproc) 2>&1 | tee log ; exit \${PIPESTATUS[0]}"
 
     - name: Check for new warnings
       run: |
@@ -346,8 +348,8 @@ jobs:
       run: |
            # Add cargo to our path quickly
            . "$HOME/.cargo/env";
-           PATH=$HOME/gcc-5.4.0/bin:$PATH \
-             make -C gccrs-build -j $(nproc)
+           # Build without network access
+           PATH="$HOME/gcc-5.4.0/bin:$PATH" unshare --net --ipc -r /bin/bash -c "make -C gccrs-build -j $(nproc) ; exit \${PIPESTATUS[0]}"
 
     - name: Run Tests
       run: |
@@ -409,7 +411,8 @@ jobs:
       shell: bash
       run: |
            cd gccrs-build; \
-           make -j $(sysctl -n hw.ncpu) 2>&1 | tee log
+           # Build without network access
+           unshare --net --ipc -r /bin/bash -c "make -Otarget -j $(sysctl -n hw.ncpu) 2>&1 | tee log ; exit \${PIPESTATUS[0]}"
 
     - name: Run Tests
       run: |
@@ -486,7 +489,8 @@ jobs:
            cd gccrs-build; \
            # Add cargo to our path quickly
            . "$HOME/.cargo/env";
-           make -Otarget -j $(nproc) 2>&1 | tee log
+           # Build without network access
+           unshare --net --ipc -r /bin/bash -c "make -Otarget -j $(nproc) 2>&1 | tee log ; exit \${PIPESTATUS[0]}"
 
     - name: Run Tests
       run: |