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Cabal problems with an executable containing c-sources

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RE: Minor changes in the package...

Einar Karttunen

17 Feb 2005 17 Feb '05

12:13 p.m.

Hello The following case seems to be broken: Name: tt Version: 0.0 License: BSD3 Executable: tt Main-Is: test.hs C-Sources: a.c Extensions: ForeignFunctionInterface a.c is completely ignored by Cabal. A complete minimal example can be found at: http://www.cs.helsinki.fi/u/ekarttun/haskell/executable-with-c-sources.tar.g... - Einar Karttunen

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Isaac Jones

17 Feb 17 Feb

10:14 p.m.

Einar Karttunen writes:

Executable: tt Main-Is: test.hs C-Sources: a.c Extensions: ForeignFunctionInterface

a.c is completely ignored by Cabal.

From looking at the source code, it seems you are right. I'll fix this ASAP (hopefully late tonight). FWIW, the problem is around line 165 of Distribution.Simple.Build. It's clear that we process C sources for libraries but not executables.

peace, isaac

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Isaac Jones

18 Feb 18 Feb

3:43 a.m.

Einar Karttunen writes:

Hello

The following case seems to be broken: (snip executable containing c-sources)

This should now be fixed in the CVS and darcs repos, but for GHC only. Mind if I snarf this test case for my regression test suite? I can't work on the Hugs fix right now. Ross, any help? Thanks for the excellent bug report! peace, isaac

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Einar Karttunen

4:02 a.m.

Isaac Jones writes:

This should now be fixed in the CVS and darcs repos, but for GHC only. Mind if I snarf this test case for my regression test suite?

Please feel free to do so. Thanks for the quick fix. - Einar Karttunen

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Ross Paterson

5:53 a.m.

On Fri, Feb 18, 2005 at 12:43:44AM -0800, Isaac Jones wrote:

Einar Karttunen writes:

...
The following case seems to be broken: (snip executable containing c-sources)

This should now be fixed in the CVS and darcs repos, but for GHC only. Mind if I snarf this test case for my regression test suite?

I can't work on the Hugs fix right now. Ross, any help?

This case already works for Hugs, if you follow the instructions in the documentation (under c-sources).

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Isaac Jones

11:50 a.m.

Ross Paterson writes:

On Fri, Feb 18, 2005 at 12:43:44AM -0800, Isaac Jones wrote:

...
Einar Karttunen writes:

...
The following case seems to be broken: (snip executable containing c-sources)

This should now be fixed in the CVS and darcs repos, but for GHC only. Mind if I snarf this test case for my regression test suite?

I can't work on the Hugs fix right now. Ross, any help?

This case already works for Hugs, if you follow the instructions in the documentation (under c-sources).

Here's the error I get when running the produced executable: ./,tmp/bin/tt runhugs: Error occurred ERROR ",tmp/lib/hugs/programs/tt/Main.hs" - Error while importing DLL "/home/ijones/usr/src/haskell/fptools/libraries/Cabal/tests/exeWithC/,tmp/lib/hugs/programs/tt/Main.so": /home/ijones/usr/src/haskell/fptools/libraries/Cabal/tests/exeWithC/,tmp/lib/hugs/programs/tt/Main.so: cannot open shared object file: No such file or directory #so I % find . -name Main.so ./dist/build/programs/tt/Main.so % cp dist/build/programs/tt/Main.so % ./,tmp/bin/tt 12 And it works. Looks like the install /copy targets are slightly broken. peace, isaac

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Einar Karttunen
Isaac Jones
Ross Paterson