Fail to compile pandoc 1.11.1 from gitit source

[linquize]

I compile gitit from source, but get the following error

src/Text/Pandoc/Writers/HTML.hs:224:17:
No instance for (Monoid Attribute)
arising from a use of `mempty'
Possible fix: add an instance declaration for (Monoid Attribute)
In the expression: mempty
In a case alternative: "" -> mempty
In the expression:
case s of {
"" -> mempty
_ -> A.id $ toValue $ writerIdentifierPrefix opts ++ s }
cabal: Error: some packages failed to install:
gitit-0.10.3.1 depends on pandoc-1.11.1 which failed to install.
pandoc-1.11.1 failed during the building phase. The exception was:
ExitFailure 1

[jgm]

That's odd. What version of blaze-html are you compiling against?
(ghc-pkg list should tell you)

+++ linquize [Mar 26 13 08:40 ]:

I compile gitit from source, but get the following error

src/Text/Pandoc/Writers/HTML.hs:224:17:
No instance for (Monoid Attribute)
arising from a use of `mempty'
Possible fix: add an instance declaration for (Monoid Attribute)
In the expression: mempty
In a case alternative: "" -> mempty
In the expression:
case s of {
"" -> mempty
_ -> A.id $ toValue $ writerIdentifierPrefix opts ++ s }
cabal: Error: some packages failed to install:
gitit-0.10.3.1 depends on pandoc-1.11.1 which failed to install.
pandoc-1.11.1 failed during the building phase. The exception was:
ExitFailure 1

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References

1. Fail to compile pandoc 1.11.1 from gitit source #803

[linquize]

blaze-builder-0.3.1.0
blaze-html-0.4.3.1

[jgm]

It seems that the Monoid insntance for Attribute wasn't added til 0.5.
Is upgrading blaze-html to a more recent version an option for you?

+++ linquize [Mar 26 13 09:18 ]:

blaze-html 0.4.3.1

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References

1. Fail to compile pandoc 1.11.1 from gitit source #803 (comment)

[tim-peterson]

For the life of me I can't figure out how to install pandoc. I tried the approach recommended on this Github repo as well as all 3 approaches recommended on the pandoc site. I'm installing on Ubuntu 12.04 so I first did sudo apt-get install haskell-platform.

Here's where the error occurred at each step:

1) Installing as recommended on this repo:

# cabal install --enable-tests
Registering zlib-conduit-1.0.0...
cabal: Error: some packages failed to install:
http-conduit-1.9.4.5 depends on mime-types-0.1.0.3 which failed to install.
mime-types-0.1.0.3 failed during the building phase. The exception was:
ExitFailure 9
pandoc-1.12 depends on mime-types-0.1.0.3 which failed to install.

2) Primary installation method on Pandoc site:

# cabal install pandoc
[35 of 45] Compiling Text.Pandoc.Parsing ( src/Text/Pandoc/Parsing.hs, dist/build/Text/Pandoc/Parsing.o )
cabal: Error: some packages failed to install:
pandoc-1.11.1 failed during the building phase. The exception was:
ExitFailure 9

3) "If my distribution has GHC 6.12"

# cabal install cabal-install
[46 of 67] Compiling Distribution.Simple.LocalBuildInfo ( Distribution/Simple/LocalBuildInfo.hs, dist/build/Distribution/Simple/LocalBuildInfo.o )
cabal: Error: some packages failed to install:
Cabal-1.16.0.3 failed during the building phase. The exception was:
ExitFailure 9
cabal-install-1.16.0.2 depends on Cabal-1.16.0.3 which failed to install.

4) Installing the tarball:

# cabal install pandoc
[23 of 45] Compiling Text.Pandoc.Writers.Texinfo ( src/Text/Pandoc/Writers/Texinfo.hs, dist/build/Text/Pandoc/Writers/Texinfo.o )
cabal: Error: some packages failed to install:
pandoc-1.11.1 failed during the building phase. The exception was:
ExitFailure 9

[tim-peterson]

this solved my problem:

sudo apt-get install pandoc