make: Warning: File `/buildbot/ghc-head-builder/builder/tempbuild/build/mk/install.mk' has modification time 15 s in the future
+ test -f mk/config.mk.old
+ cp -p mk/config.mk mk/config.mk.old
touch -r mk/config.mk.old mk/config.mk
+ test -f mk/project.mk.old
+ cp -p mk/project.mk mk/project.mk.old
touch -r mk/project.mk.old mk/project.mk
+ test -f compiler/ghc.cabal.old
+ cp -p compiler/ghc.cabal compiler/ghc.cabal.old
touch -r compiler/ghc.cabal.old compiler/ghc.cabal
===--- building phase 0
make -r --no-print-directory -f ghc.mk phase=0 phase_0_builds
ghc.mk:133: *** dyn is not in $(GhcLibWays), but $(DYNAMIC_GHC_PROGRAMS) is YES.  Stop.
make: *** [all] Error 2