Estoy tratando de construir elPlataforma de olmo usando una caja de arena de cabal. Sin embargo, la instalación falla con el mensaje "es probable que los paquetes se rompan por las reinstalaciones". Esto me parece contradecir todo el propósito del sandboxing, que creía que debía evitar este tipo de error.

¿Alguien puede explicarme este error e incluso mejor ayudarme a continuar con la instalación de Elm? ¿Es seguro agregar--force-reinstalls?

Aquí están la secuencia de comandos que ejecuté:

cabal sandbox init
cabal update
cabal install -j elm-compiler-0.14 elm-package-0.2 elm-make-0.1 elm-reactor-0.2 elm-repl-0.4

Estoy usando cabal 1.22.0.0 y GHC 7.8.2 en Mac OS 10.10. La salida completa de la siguiente manera:

Resolving dependencies...
In order, the following would be installed:
Diff-0.3.0 (new package)
HUnit-1.2.5.2 (new package)
ansi-terminal-0.6.2.1 (new package)
ansi-wl-pprint-0.6.7.1 (new package)
async-2.0.2 (new package)
blaze-markup-0.6.2.0 (new package)
blaze-html-0.7.0.3 (new package)
byteable-0.1.1 (new package)
bytestring-mmap-0.2.2 (new package)
bytestring-trie-0.2.4 (new package)
cereal-0.4.1.1 (new package)
cmdargs-0.10.12 (new package)
concatenative-1.0.1 (new package)
cookie-0.4.1.4 (new package)
cryptohash-0.11.6 (new package)
enumerator-0.4.20 (new package)
attoparsec-enumerator-0.3.3 (new package)
blaze-builder-enumerator-0.2.0.6 (new package)
exceptions-0.6.1 (reinstall) changes: mtl-2.1.3.1 -> 2.2.1,
transformers-0.3.0.0 -> 0.4.1.0
extensible-exceptions-0.1.1.4 (new package)
hfsevents-0.1.5 (new package)
fsnotify-0.1.0.3 (new package)
hourglass-0.2.8 (new package)
asn1-types-0.3.0 (new package)
asn1-encoding-0.9.0 (new package)
asn1-parse-0.9.0 (new package)
crypto-pubkey-types-0.4.2.3 (new package)
http-types-0.8.5 (new package)
mime-types-0.1.0.5 (new package)
monads-tf-0.1.0.2 (reinstall) changes: transformers-0.3.0.0 -> 0.4.1.0
MonadCatchIO-transformers-0.3.1.3 (new package)
network-2.6.0.2 (new version)
parsec-3.1.7 (new version)
indents-0.3.3 (new package)
network-uri-2.6.0.1 (new package)
HTTP-4000.2.19 (new version)
pem-0.2.2 (new package)
prettyclass-1.0.0.0 (new package)
language-glsl-0.1.1 (new package)
publicsuffixlist-0.1 (new package)
regex-base-0.93.2 (new package)
regex-posix-0.95.2 (new package)
securemem-0.1.4 (new package)
crypto-cipher-types-0.0.9 (new package)
cipher-aes-0.2.9 (new package)
cipher-des-0.0.6 (new package)
cipher-rc4-0.1.4 (new package)
crypto-random-0.0.8 (new package)
cprng-aes-0.6.1 (new package)
crypto-numbers-0.2.7 (new package)
crypto-pubkey-0.2.7 (new package)
socks-0.5.4 (new package)
streaming-commons-0.1.8 (new package)
http-client-0.3.8.2 (latest: 0.4.6.2) (new package)
syb-0.4.4 (new package)
tagshare-0.0 (new package)
terminfo-0.4.0.0 (new package)
haskeline-0.7.1.3 (new package)
tf-random-0.5 (new package)
QuickCheck-2.7.6 (new package)
testing-feat-0.4.0.2 (new package)
transformers-compat-0.3.3.4 (new package)
optparse-applicative-0.10.0 (latest: 0.11.0.1) (new package)
union-find-0.2 (new package)
unix-compat-0.4.1.4 (new package)
unordered-containers-0.2.5.1 (new package)
aeson-0.8.0.2 +old-locale (new package)
aeson-pretty-0.7.2 (new package)
uniplate-1.6.12 (new package)
websockets-0.9.2.2 (new version)
wl-pprint-1.1 (new package)
language-ecmascript-0.16.2 (latest: 0.17) (new package)
elm-compiler-0.14 (new package)
x509-1.5.0.1 (new package)
x509-store-1.5.0 (new package)
x509-system-1.5.0 (new package)
x509-validation-1.5.1 (new package)
tls-1.2.13 (new package)
connection-0.2.3 (new package)
http-client-tls-0.2.2 (new package)
zip-archive-0.2.3.5 (new version)
elm-package-0.2 (latest: 0.2.2) (new package)
elm-make-0.1 (new package)
elm-repl-0.4 (new package)
zlib-enum-0.2.3.1 (new package)
snap-core-0.9.6.4 (new package)
snap-server-0.9.4.6 (new package)
websockets-snap-0.9.0.0 (new package)
elm-reactor-0.2 (latest: 0.2.0.1) (new package)
cabal: The following packages are likely to be broken by the reinstalls:
temporary-1.2.0.3
shellmate-0.1.6
Use --force-reinstalls if you want to install anyway.

ACTUALIZAR:

Según lo solicitado, la salida decabal exec ghc-pkg list temporary:

$ cabal exec ghc-pkg list temporary
/Applications/ghc-7.8.2.app/Contents/lib/ghc-7.8.2/package.conf.d
   temporary-1.2.0.3
/Users/nbartlett/Development/Elm-Platform/tmp/.cabal-sandbox/x86_64-osx-ghc-7.8.2-packages.conf.d