Aaargh! My windows build is broken, again. It's very painful that this keeps happening. Can anyone help? Simon "inplace/bin/ghc-stage1.exe" -optc-U__i686 -optc-march=i686 -optc-fno-stack-protector -optc-Werror -optc-Wall -optc-Wall -optc-Wextra -optc-Wstrict-prototypes -optc-Wmissing-prototypes -optc-Wmissing-declarations -optc-Winline -optc-Waggregate-return -optc-Wpointer-arith -optc-Wmissing-noreturn -optc-Wnested-externs -optc-Wredundant-decls -optc-Iincludes -optc-Iincludes/dist -optc-Iincludes/dist-derivedconstants/header -optc-Iincludes/dist-ghcconstants/header -optc-Irts -optc-Irts/dist/build -optc-DCOMPILING_RTS -optc-fno-strict-aliasing -optc-fno-common -optc-O2 -optc-fomit-frame-pointer -optc-DRtsWay=\"rts_v\" -static -H32m -O -Werror -Wall -H64m -O0 -Iincludes -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS -this-package-key rts -dcmm-lint -i -irts -irts/dist/build -irts/dist/build/autogen -Irts/dist/build -Irts/dist/build/autogen -O2 -c rts/Task.c -o rts/dist/build/Task.o cc1.exe: warnings being treated as errors rts\Capability.c:1080:6: error: no previous prototype for 'setIOManagerControlFd' rts/ghc.mk:236: recipe for target 'rts/dist/build/Capability.o' failed make[1]: *** [rts/dist/build/Capability.o] Error 1 make[1]: *** Waiting for unfinished jobs.... Makefile:71: recipe for target 'all' failed make: *** [all] Error 2 HEAD (master)$