policycoreutils: build with gcc6

[xeji]

Motivation for this change

Current version 2.4 doesn't build w/gcc7.
This fix is 18.03-only. On master, an update of all SELinux tools to v2.7 is being prepared (#36978)
/cc ZHF #36453

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option build-use-sandbox in nix.conf on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.

---

[GrahamcOfBorg]

Success on x86_64-linux (full log)

Attempted: policycoreutils

Partial log (click to expand)

/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin/sepolgen-ifgen: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin/audit2allow: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin/chcat: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin/sandbox: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin/sepolicy: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/lib/python2.7/site-packages/seobject.py: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/sbin/semanage: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/7b2z0vfbs9539ga4pxx5gmli47rz5y3n-python-2.7.14/bin/python -Es"
/nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/sbin/fixfiles: interpreter directive changed from "/bin/bash" to "/nix/store/zqh3l3lyw32q1ayb15bnvg9f24j5v2p0-bash-4.4-p12/bin/bash"
checking for references to /tmp/nix-build-policycoreutils-2.4.drv-0 in /nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4...
moving /nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/sbin/* to /nix/store/s86xgwqvpb9a1qn51hzadw4g18qhci2w-policycoreutils-2.4/bin

[GrahamcOfBorg]

Success on aarch64-linux (full log)

Attempted: policycoreutils

Partial log (click to expand)

/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/bin/system-config-selinux: interpreter directive changed from "/bin/sh" to "/nix/store/lnws52qanbi5vz8qg24v4ym57nznfndg-bash-4.4-p12/bin/sh"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/lib/python2.7/site-packages/seobject.py: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/5crgsfgy8n7v50hrihx4mhxdqa01nrmw-python-2.7.14/bin/python -Es"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/share/sandbox/start: interpreter directive changed from " /usr/bin/python -Es" to "/nix/store/5crgsfgy8n7v50hrihx4mhxdqa01nrmw-python-2.7.14/bin/python -Es"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/share/sandbox/sandboxX.sh: interpreter directive changed from "/bin/bash" to "/nix/store/lnws52qanbi5vz8qg24v4ym57nznfndg-bash-4.4-p12/bin/bash"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/share/system-config-selinux/polgengui.py: interpreter directive changed from "/usr/bin/python -Es" to "/nix/store/5crgsfgy8n7v50hrihx4mhxdqa01nrmw-python-2.7.14/bin/python -Es"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/share/system-config-selinux/system-config-selinux.py: interpreter directive changed from "/usr/bin/python -Es" to "/nix/store/5crgsfgy8n7v50hrihx4mhxdqa01nrmw-python-2.7.14/bin/python -Es"
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/share/system-config-selinux/selinux_server.py: interpreter directive changed from "/usr/bin/python" to "/nix/store/5crgsfgy8n7v50hrihx4mhxdqa01nrmw-python-2.7.14/bin/python"
checking for references to /build in /nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4...
moving /nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/sbin/* to /nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4/bin
/nix/store/jyhrsg3ldbqzcy0jmhqg0vsw4584zv73-policycoreutils-2.4

[vcunat]

See 0c52ab9.