Hi,
Serguey Zefirov sergueyz at gmail.com writes:
I've installed recent Haskell Platform and tried to wrap my head
around cabal to finally figure out how to use it.
[...]
Now it gives me even more interesting error: cabal.EXE: fromFlag
NoFlag. Use fromFlagOrDefault
Googling doesn't help here. What does it mean and how to get rid of it?
Try removing the 'Application Data/cabal' directory and running
'cabal update'. You probably made a syntax error in the config
file.
Here's a log of what I do after a clean HP install:
E:\cabal
no command given (try --help)
E:\cabal install pointfree
Config file path source is default config file.
Config file Application Data\cabal\config not found.
Writing default configuration to Application Data\cabal\config
Warning: The package list for 'hackage.haskell.org' does not exist. Run 'cabal
update' to download it.
cabal: There is no package named pointfree. Perhaps you need to run 'cabal
update' first?
E:\cabal update
Downloading the latest package list from hackage.haskell.org
E:\cabal install pointfree
Resolving dependencies...
Downloading pointfree-1.0.3...
Configuring pointfree-1.0.3...
Preprocessing executables for pointfree-1.0.3...
Building pointfree-1.0.3...
[1 of 7] Compiling Plugin.Pl.Common ( Plugin\Pl\Common.hs, dist\build\pointfree\
pointfree-tmp\Plugin\Pl\Common.o )
[2 of 7] Compiling Plugin.Pl.Parser ( Plugin\Pl\Parser.hs, dist\build\pointfree\
pointfree-tmp\Plugin\Pl\Parser.o )
[3 of 7] Compiling Plugin.Pl.PrettyPrinter ( Plugin\Pl\PrettyPrinter.hs, dist\bu
ild\pointfree\pointfree-tmp\Plugin\Pl\PrettyPrinter.o )
[4 of 7] Compiling Plugin.Pl.Transform ( Plugin\Pl\Transform.hs, dist\build\poin
tfree\pointfree-tmp\Plugin\Pl\Transform.o )
[5 of 7] Compiling Plugin.Pl.Rules ( Plugin\Pl\Rules.hs, dist\build\pointfree\p
ointfree-tmp\Plugin\Pl\Rules.o )
[6 of 7] Compiling Plugin.Pl.Optimize ( Plugin\Pl\Optimize.hs, dist\build\pointf
ree\pointfree-tmp\Plugin\Pl\Optimize.o )
Linking dist\build\pointfree\pointfree.exe ...
Installing executable(s) in E:\\Application Data\cabal\bin
E:\pointfree 1 + 2
3
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