Aargh. Windows build is broken again. Log below. Help! Simon "inplace/bin/ghc-stage1.exe" -optc-fno-stack-protector -optc-Wall -optc-Werror -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-Wundef -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-Irts/dist/build/./autogen -optc-Wno-error=inline -optc-O2 -optc-fomit-frame-pointer -optc-g -optc-DRtsWay=\"rts_v\" -optc-DWINVER=0x06000100 -static -O0 -H64m -Wall -fllvm-fill-undef-with-garbage -Werror -Iincludes -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS -this-unit-id rts -dcmm-lint -i -irts -irts/dist/build -Irts/dist/build -irts/dist/build/./autogen -Irts/dist/build/./autogen -O2 -Wcpp-undef -Wnoncanonical-monad-instances -c rts/StgPrimFloat.c -o rts/dist/build/StgPrimFloat.o rts\Schedule.c:274:14: error: error: unknown conversion type character 'l' in format [-Werror=format=] barf("sched_state: %" FMT_Word, sched_state); ^~~~~~~~~~~~~~~~ | 274 | barf("sched_state: %" FMT_Word, sched_state); | ^ In file included from C:/code/HEAD-1/inplace/mingw/x86_64-w64-mingw32/include/stdio.h:1036:0, from includes/rts/Flags.h:16, from includes/Rts.h:191, from rts\Schedule.c:11:0: error: C:/code/HEAD-1/inplace/mingw/x86_64-w64-mingw32/include/_mingw_print_pop.h:86:18: note: format string is defined here #define PRIu64 "llu" ^ rts\Schedule.c:274:14: error: error: too many arguments for format [-Werror=format-extra-args] barf("sched_state: %" FMT_Word, sched_state); ^~~~~~~~~~~~~~~~ | 274 | barf("sched_state: %" FMT_Word, sched_state); | ^ cc1.exe: all warnings being treated as errors `gcc.exe' failed in phase `C Compiler'. (Exit code: 1) "inplace/bin/ghc-stage1.exe" -optc-fno-stack-protector -optc-Wall -optc-Werror -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-Wundef -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-Irts/dist/build/./autogen -optc-Wno-error=inline -optc-O2 -optc-fomit-frame-pointer -optc-g -optc-DRtsWay=\"rts_v\" -optc-DWINVER=0x06000100 -static -O0 -H64m -Wall -fllvm-fill-undef-with-garbage -Werror -Iincludes -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS -this-unit-id rts -dcmm-lint -i -irts -irts/dist/build -Irts/dist/build -irts/dist/build/./autogen -Irts/dist/build/./autogen -O2 -Wcpp-undef -Wnoncanonical-monad-instances -c rts/Profiling.c -o rts/dist/build/Profiling.o make[1]: *** [rts/ghc.mk:295: rts/dist/build/Schedule.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:127: all] Error 2 /c/code/HEAD-1$