The strace builds on both x86_64 and i686 intermittently fail, apparently based on 'uname' output which in turn depends on which build slave was used. See:
http://hydra.gnu.org/build/196334/log/tail-reload --8<---------------cut here---------------start------------->8--- starting phase `check' make check-recursive make[1]: Entering directory '/tmp/nix-build-strace-4.7.drv-0/strace-4.7' Making check in tests make[2]: Entering directory '/tmp/nix-build-strace-4.7.drv-0/strace-4.7/tests' make check-TESTS make[3]: Entering directory '/tmp/nix-build-strace-4.7.drv-0/strace-4.7/tests' ../strace: Bad OS release string: '3.14-2-amd64' ptrace_setoptions: framework failure: ../strace is not available FAIL: ptrace_setoptions ../strace: Bad OS release string: '3.14-2-amd64' strace-f: framework failure: ../strace is not available FAIL: strace-f =================== 2 of 2 tests failed =================== --8<---------------cut here---------------end--------------->8--- Mark
