hledger-web-0.23.3 build failure, cabal sandbox, haskell platform, windows 7

gistfile1.txt

[ 2 of 17] Compiling Settings         ( Settings.hs, dist\dist-sandbox-401bdab4\
build\Settings.o )
...
Loading package wai-handler-launch-3.0.0 ... linking ... ghc.exe: unable to load
 package `wai-handler-launch-3.0.0'
ghc.exe: warning: inet_ntoa from ws2_32 is linked instead of __imp_inet_ntoa
ghc.exe: warning: getnameinfo from ws2_32 is linked instead of __imp_getnameinfo

ghc.exe: warning: getaddrinfo from ws2_32 is linked instead of __imp_getaddrinfo

ghc.exe: warning: freeaddrinfo from ws2_32 is linked instead of __imp_freeaddrin
fo
ghc.exe: warning: accept from ws2_32 is linked instead of __imp_accept
ghc.exe: warning: WSACleanup from ws2_32 is linked instead of __imp_WSACleanup
ghc.exe: warning: WSAStartup from ws2_32 is linked instead of __imp_WSAStartup
ghc.exe: warning: WSACleanup from ws2_32 is linked instead of __imp_WSACleanup
ghc.exe: warning: _wchmod from msvcrt is linked instead of __imp__wchmod
ghc.exe: warning: GetVersionExA from kernel32 is linked instead of __imp_GetVers
ionExA
ghc.exe: warning: GetModuleHandleA from kernel32 is linked instead of __imp_GetM
oduleHandleA
ghc.exe: warning: GetProcAddress from kernel32 is linked instead of __imp_GetPro
cAddress
ghc.exe: warning: _snprintf from msvcrt is linked instead of __imp__snprintf
ghc.exe: warning: GetSystemInfo from kernel32 is linked instead of __imp_GetSyst
emInfo
ghc.exe: warning: GetSystemMetrics from user32 is linked instead of __imp_GetSys
temMetrics
ghc.exe: warning: GetVersionExA from kernel32 is linked instead of __imp_GetVers
ionExA
ghc.exe: warning: _snprintf from msvcrt is linked instead of __imp__snprintf
ghc.exe: warning: GetSystemInfo from kernel32 is linked instead of __imp_GetSyst
emInfo
ghc.exe: warning: GetComputerNameA from kernel32 is linked instead of __imp_GetC
omputerNameA
ghc.exe: warning: CryptAcquireContextA from advapi32 is linked instead of __imp_
CryptAcquireContextA
ghc.exe: warning: CryptGenRandom from advapi32 is linked instead of __imp_CryptG
enRandom
ghc.exe: warning: _stat64 from msvcrt is linked instead of __imp__stat64
ghc.exe: warning: _open from msvcrt is linked instead of __imp__open
ghc.exe: warning: _stat64 from msvcrt is linked instead of __imp__stat64
ghc.exe: warning: _strdup from msvcrt is linked instead of __imp__strdup
ghc.exe: C:\HaskellPlatform\.cabal-sandbox\x86_64-windows-ghc-7.8.3\wai-handler-
launch-3.0.0\HSwai-handler-launch-3.0.0.o: unknown symbol `snprintf'
cabal: Error: some packages failed to install:
hledger-web-0.23.3 failed during the building phase. The exception was:
ExitFailure 1