windows-x86-head (Windows/x86 HEAD (Gabor Pali)), build 10, Failure

[Builder]

windows-x86-head (Windows/x86 HEAD (Gabor Pali)), build 10

Build failed
Details: http://haskell.inf.elte.hu/builders/windows-x86-head/10.html

git clone                    | Success
create mk/build.mk           | Success
get subrepos                 | Success
repo versions                | Success
touching clean-check files   | Success
setting version date         | Success
booting                      | Success
configuring                  | Success
creating check-remove-before | Success
compiling                    | Failure: Just (ExitFailure 2)

Build failed
Details: http://haskell.inf.elte.hu/builders/windows-x86-head/10.html

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config.status: linking mpn/generic/redc_1_sec.c to mpn/redc_1_sec.c
config.status: linking mpn/generic/trialdiv.c to mpn/trialdiv.c
config.status: linking mpn/generic/remove.c to mpn/remove.c
config.status: linking mpn/generic/logops_n.c to mpn/and_n.c
config.status: linking mpn/generic/logops_n.c to mpn/andn_n.c
config.status: linking mpn/generic/logops_n.c to mpn/nand_n.c
config.status: linking mpn/generic/logops_n.c to mpn/ior_n.c
config.status: linking mpn/generic/logops_n.c to mpn/iorn_n.c
config.status: linking mpn/generic/logops_n.c to mpn/nior_n.c
config.status: linking mpn/generic/logops_n.c to mpn/xor_n.c
config.status: linking mpn/generic/logops_n.c to mpn/xnor_n.c
config.status: linking mpn/x86/copyi.asm to mpn/copyi.asm
config.status: linking mpn/x86/copyd.asm to mpn/copyd.asm
config.status: linking mpn/generic/zero.c to mpn/zero.c
config.status: linking mpn/x86/umul.asm to mpn/umul.asm
config.status: linking mpn/x86/udiv.asm to mpn/udiv.asm
config.status: linking mpn/x86/invert_limb.asm to mpn/invert_limb.asm
config.status: linking mpn/x86/gmp-mparam.h to gmp-mparam.h
config.status: executing libtool commands
make -C libraries/integer-gmp/gmp/gmpbuild MAKEFLAGS=
C:/msys32/home/ghc-builder/work/builder/tempbuild/build/inplace/mingw/bin/gcc.exe -std=gnu99 -E `if test -f ./gen-fac_ui.c; then echo ./gen-fac_ui.c; else echo gen-fac_ui.c; fi` | sed 's/^# \([0-9]\)/#line \1/' |  > gen-fac_ui_.c || rm -f gen-fac_ui_.c
C:/msys32/home/ghc-builder/work/builder/tempbuild/build/inplace/mingw/bin/gcc.exe -std=gnu99 `test -f 'gen-fac_ui_.c' || echo './'`gen-fac_ui_.c -o gen-fac_ui.exe
C:/msys32/home/ghc-builder/work/builder/tempbuild/build/inplace/mingw/bin/../lib/libmingw32.a(main.o):main.c:(.text+0xd2): undefined reference to `WinMain at 16'
collect2: ld returned 1 exit status
Makefile:1387: recipe for target 'gen-fac_ui.exe' failed
make[2]: *** [gen-fac_ui.exe] Error 1
libraries/integer-gmp/gmp/ghc.mk:135: recipe for target 'libraries/integer-gmp/gmp/gmp.h' failed
make[1]: *** [libraries/integer-gmp/gmp/gmp.h] Error 2
Makefile:71: recipe for target 'all' failed
make: *** [all] Error 2