Am 01.05.2014 00:18 schrieb "Robert Weisser" <Robert.Weisser@gmx.com>:

I decided to try out Eclipse with the EclipseFP plug-in for Haskell.

I downloaded Eclipse, and then started to install EclipseFP.  At

some point, I got a screen which said that I needed to install

buildwrapper and scion-browser.  It offered to install both

of them, and optionally install hoogle, hlint, stylish-haskell,

SourceGraph, and cabal-dev.  The option to install the additional

items was pre-checked.  I left it checked.  The installation of

buildwrapper, etc. took a long time.  It seemed to be going well

until I saw the messages below, which say that installing SourceGraph

will likely break several other packages, most of which were part

of the EclipseFP installation.

 

I am not a complete novice with Haskell but I am a complete novice

with Cabal.  I'm not sure what to do.  Here are some options I have

considered:

 

1. Use --force-reinstalls and hope for the best.

 

2. Try to resolve the problem with Cabal, although I don't know to

do this.

 

3. Use EclipseFP without SourceGraph and cabal-dev.

 

4. Use EclipseFP without SourceGraph, but install cabal-dev using

cabal on the command line.

 

5. Forget about Eclipse altogether, and go back to using vim.

 

Any advice would be appreciated.

 

By the way, I am using Haskell Platform 7.6.3.

 

Here are the messages I saw in the Eclipse console window:

 

<terminated> Installing executable SourceGraph

 

Resolving dependencies...

In order, the following would be installed:

asn1-types-0.2.3 (new package)

asn1-encoding-0.8.1.3 (new package)

asn1-parse-0.8.1 (new package)

bktrees-0.3.1 (new package)

byteable-0.1.1 (new package)

cereal-0.4.0.1 (new package)

colour-2.3.3 (new package)

cpphs-1.18.2 (new version)

crypto-pubkey-types-0.4.2.2 (new package)

cryptohash-0.11.4 (new package)

digest-0.0.1.2 (new package)

dlist-0.5 (new version)

aeson-0.7.0.3 (reinstall) changes: dlist-0.7.0.1 -> 0.5

data-default-instances-dlist-0.0.1 (reinstall) changes: dlist-0.7.0.1 -> 0.5

data-default-0.5.3 (reinstall)

cookie-0.4.1.1 (new package)

haskell-src-exts-1.13.5 (new version)

hslua-0.3.12 (new package)

mime-types-0.1.0.4 (new package)

multiset-0.2.2 (new package)

pandoc-types-1.12.3.2 (new package)

pem-0.2.2 (new package)

polyparse-1.8 (new version)

publicsuffixlist-0.1 (new package)

http-client-0.3.2 (new package)

regex-pcre-builtin-0.94.4.8.8.34 (new package)

highlighting-kate-0.5.6.1 (new package)

resourcet-0.4.10.2 (new version)

securemem-0.1.3 (new package)

crypto-cipher-types-0.0.9 (new package)

cipher-aes-0.2.7 (new package)

cipher-rc4-0.1.4 (new package)

crypto-random-0.0.7 (new package)

cprng-aes-0.5.2 (new package)

crypto-numbers-0.2.3 (new package)

crypto-pubkey-0.2.4 (new package)

socks-0.5.4 (new package)

temporary-1.1.2.5 (new package)

text-stream-decode-0.1.0.5 (new package)

conduit-1.0.17.1 (new version)

http-client-conduit-0.2.0.1 (new package)

wl-pprint-text-1.1.0.2 (new package)

graphviz-2999.16.0.0 (new package)

x509-1.4.11 (new package)

x509-store-1.4.4 (new package)

x509-system-1.4.5 (new package)

x509-validation-1.5.0 (new package)

tls-1.2.6 (new package)

connection-0.2.1 (new package)

http-client-tls-0.2.1.1 (new package)

http-conduit-2.0.0.10 (new package)

xml-1.3.13 (new package)

texmath-0.6.6.1 (new package)

yaml-0.8.8.2 (reinstall) changes: conduit-1.1.1 -> 1.0.17.1, resourcet-1.1.2

-> 0.4.10.2

zip-archive-0.2.2.1 (new package)

pandoc-1.12.3.3 (new package)

Graphalyze-0.14.0.2 (new package)

SourceGraph-0.7.0.5 (new package)

cabal: The following packages are likely to be broken by the reinstalls:

stylish-haskell-0.5.10.0

scion-browser-0.3.1

persistent-template-1.3.1.3

persistent-sqlite-1.3.0.5

persistent-1.3.0.6

buildwrapper-0.8.0

dynamic-cabal-0.3.1

Use --force-reinstalls if you want to install anyway.

 

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