Using -fext-core without a Main function
Hal Daume III
hal at cs.utah.edu
Fri Apr 16 15:45:40 EDT 2010
I suppose that does work :). Thanks!
Are there any examples out there for reading in Core files using the ghc
package? I can't really find anything that's up to date...
Max Bolingbroke wrote:
> The flag -fext-core is a red herring. GHC assumes any module with no
> "module" declaration is actually called Main and hence insists on a
> main declaration.
> mbolingbroke at Perihelion ~/tmp
> $ ghc -c Hal.hs
> Hal.hs:1:0: The function `main' is not defined in module `Main'
> Compile this instead:
> module Hal where
> addOne x = x + 1
> On 13 April 2010 17:38, Hal Daume III <hal at cs.utah.edu> wrote:
>> If I have a file 'Foo.hs' that contains one line 'addOne x = x + 1', I want
>> to run something like:
>> ghc -c -fext-core Foo.hs
>> to get the core version of this file.
>> Unfortunately, when I do that, it complains that Main doesn't have a
>> function main. And it doesn't produce the .hcr file.
>> I tried adding -no-hs-main but that doesn't help.
>> I can add 'main = undefined' to Foo.hs, but then the core file doesn't
>> contain the declaration of addOne because it's not used.
>> Any suggestions?
>> Hal Daume III --- me AT hal3 DOT name | http://www DOT hal3 DOT name
>> "Arrest this man, he talks in maths." | http://nlpers.blogspot.com
>> Glasgow-haskell-users mailing list
>> Glasgow-haskell-users at haskell.org
Hal Daume III --- me AT hal3 DOT name | http://www DOT hal3 DOT name
"Arrest this man, he talks in maths." | http://nlpers.blogspot.com
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