October 2008 - cabal-devel

[Hackage] #218: Data-files have no way of being installed conditionally
by Hackage 09 Oct '08

09 Oct '08

#218: Data-files have no way of being installed conditionally ----------------------------+----------------------------------------------- Reporter: guest | Owner: Type: defect | Status: new Priority: normal | Milestone: Component: Cabal library | Version: 1.2.3.0 Severity: normal | Keywords: Difficulty: normal | Ghcversion: 6.8.2 Platform: Linux | ----------------------------+----------------------------------------------- Using cabal-1.2.3.0 and Yi, I have the following problem. For the Mac OS X Cocoa port, it has an icon which is a PDF file containing a rendered version of the Yi SVG logo, and which gets installed with it. Installing the PDF only makes sense if you are on a Mac (indeed, the PDF seems to be corrupt if you try to view it with, say, Xpdf). Right now, the yi.cabal file just reads: cabal-Version: == 1.2.3.0 tested-with: GHC==6.8.2 build-type: Custom data-files: art/yi+lambda-fat.pdf -- FIXME: Install Cocoa icon only when Cocoa configured That is, the PDF is always installed. Now, my first attempt was to read the Cabal manual and realize that the obvious solution was to just stick the data-files: field under a flag or conditional - just like the yi.cabal already does for build-depends, ghc-options, buildable, etc. But this doesn't work! Yi will still compile and build, but Cabal says: Warning: Unknown fields: data-files (line 101) Fields allowed in this section: executable, main-is, buildable, build-tools, cpp-options, cc-options, ld-options, pkgconfig-depends, frameworks, c-sources, extensions, extra-libraries, extra-lib-dirs, includes, install-includes, include-dirs, hs-source-dirs, other-modules, ghc-prof-options, ghc-shared-options, ghc-options, hugs-options, nhc98-options, jhc-options The error tells me that the conditional didn't take: gwern@localhost:1023~/bin/yi_0>locate fat|grep lambda|grep .pdf [ 4:31PM] /home/gwern/bin/yi/_darcs/pristine/art/yi+lambda-fat.pdf /home/gwern/bin/yi/art/yi+lambda-fat.pdf /home/gwern/bin/share/yi-0.3/art/yi+lambda-fat.pdf gwern@localhost:1024~/bin/yi_0> (Even though I am on Linux, and the Cocoa flag is emphatically set to False.) -- Anyway, given that what I want to do is sensible, that nowhere in the docs I've been able to find or on #haskell mentions any non-hacky solution, and that it's already supported by Cabal for other kinds of files, I think this is a pretty reasonable feature request. -- Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/218> Hackage <http://haskell.org/cabal/> Hackage: Cabal and related projects

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Re: Announce: Yi 0.5.0.1
by Duncan Coutts 09 Oct '08

09 Oct '08

On Thu, 2008-10-09 at 11:45 +0200, Christian Maeder wrote: > Christian Maeder wrote: > > Jean-Philippe Bernardy wrote: > >> There might be an issue with pre-processing, but that's beyond my > >> cabal knowledge. > >> > >> Maybe some cc'ed wizards can help :) > > > > Somehow -DUNIX_IMPL is not respected in System/PosixCompat/Files.hsc > > > Using cpphs version 1.1 found on system at: /home/linux-bkb/bin/cpphs > > After removing cpphs it worked! Hrm, that's very odd. Cabal does not use cpphs by default with ghc. ppCpp' extraArgs bi lbi = case compilerFlavor (compiler lbi) of GHC -> ppGhcCpp (cppArgs ++ extraArgs) bi lbi _ -> ppCpphs (cppArgs ++ extraArgs) bi lbi Can you please file a ticket with all the details to reproduce so we do not forget. I'd try and reproduce it myself now but I'm, trying to build all of hackage three ways so I don't want to mess up my configuration. Duncan

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Re: Announce: Yi 0.5.0.1
by Malcolm Wallace 09 Oct '08

09 Oct '08

Christian Maeder <Christian.Maeder(a)dfki.de> wrote: > >> There might be an issue with pre-processing, but that's beyond my > >> cabal knowledge. > > > Using cpphs version 1.1 > > After removing cpphs it worked! cpphs-1.1 is extremely old (more than 3 years). The most recent release is 1.5, and it has many small bugfixes over 1.1, including some to do with preprocessing .hsc files. Regards, Malcolm

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patch applied (cabal): xargs -s breaks solaris
by Duncan Coutts 08 Oct '08

08 Oct '08

Wed Oct 8 11:50:41 PDT 2008 Duncan Coutts <duncan(a)haskell.org> * xargs -s breaks solaris Hopefully we can figure out a better fix for recent cygwin versions of xargs which are apparently broken. rolling back: Wed Oct 8 08:44:10 PDT 2008 Clemens Fruhwirth <clemens(a)endorphin.org> * Also respect the max. command line size in Makefile driven builds M ./Distribution/Simple/GHC.hs -7 +13 M ./Distribution/Simple/GHC/Makefile.hs -1 +1 M ./Distribution/Simple/GHC/Makefile.in -1 +1 M ./Distribution/Simple/GHC.hs -13 +7 M ./Distribution/Simple/GHC/Makefile.hs -1 +1 M ./Distribution/Simple/GHC/Makefile.in -1 +1 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081008185041-adfee-3ab26eb8…

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[Hackage] #367: merge cabal home page and hackage intro page
by Hackage 08 Oct '08

08 Oct '08

#367: merge cabal home page and hackage intro page ----------------------------+----------------------------------------------- Reporter: duncan | Owner: Type: task | Status: new Priority: normal | Milestone: Component: miscellaneous | Version: Severity: normal | Keywords: Difficulty: normal | Ghcversion: 6.8.2 Platform: | ----------------------------+----------------------------------------------- Currently nobody finds the cabal user guide or the other useful info on the cabal home page. The links on how to install and create cabal packages should be moved to the hackage info page. Generally there are too many places to find mostly the same information. We've got the hackage pages, the hackage wiki and the cabal web site. -- Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/367> Hackage <http://haskell.org/cabal/> Hackage: Cabal and related projects

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patch applied (cabal): Also respect the max. command line size in Makefile driven builds
by Clemens Fruhwirth 08 Oct '08

08 Oct '08

Wed Oct 8 08:44:10 PDT 2008 Clemens Fruhwirth <clemens(a)endorphin.org> * Also respect the max. command line size in Makefile driven builds M ./Distribution/Simple/GHC.hs -7 +13 M ./Distribution/Simple/GHC/Makefile.hs -1 +1 M ./Distribution/Simple/GHC/Makefile.in -1 +1 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081008154410-ed0c4-33d531c4…

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Re: Announce: Yi 0.5.0.1
by Jean-Philippe Bernardy 08 Oct '08

08 Oct '08

... cabal issues on Yi install ... On Wed, Oct 8, 2008 at 4:57 PM, Christian Maeder <Christian.Maeder(a)dfki.de> wrote: > Yes, this started working until: > > Resolving dependencies... > 'unix-compat-0.1.2.1' is cached. > Configuring unix-compat-0.1.2.1... > Preprocessing library unix-compat-0.1.2.1... > Building unix-compat-0.1.2.1... > > System/PosixCompat/Files.hsc:83:7: > Could not find module `System.Time': > it is a member of package old-time-1.0.0.0, which is hidden > cabal: Error: some packages failed to install: > unix-compat-0.1.2.1 failed during the building phase. The exception was: > exit: ExitFailure 1 I don't understand this: unix-compat depends on old-time (if I trust http://hackage.haskell.org/cgi-bin/hackage-scripts/package/unix-compat-0.1.…) so this should be made visible by cabal. There might be an issue with pre-processing, but that's beyond my cabal knowledge. Maybe some cc'ed wizards can help :) Cheers, -- JP

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enabling / disabling executables by flags?
by Marc Weber 08 Oct '08

08 Oct '08

Hi, Can I enable/ disable executable by flags ? eg this way: ============= ======================================================= Name: xxxxxxxxxxxxx category: web application version: 0.0.1 Cabal-Version: >=1.2 build-type: Simple LICENSE: GPL extensions: CPP cpp-options: -DSSTRING=B.ByteString -DLSTRING=L.ByteString Flag testing Default: True Description build testing application as well executable YYYYYYYYYYy main-is: YYYYYYYYYYy.hs hs-source-dirs: src build-depends: base , HList -- , HaXml == 1.19 , filepath , mtl , containers , template-haskell , directory , HAppS-Server , HAppS-Data , HAppS-State , type-level include-dirs: include extra-source-files: include/vxmldos.h -- strict and lazy strings beeing used if flag(testing) executable test main-is: test.hs hs-source-dirs: test, src build-depends: base , HList -- , HaXml == 1.19 , filepath , mtl , containers , template-haskell , directory , HAppS-Server , HAppS-Data , HAppS-State , type-level include-dirs: include extra-source-files: include/vxmldos.h -- strict and lazy strings beeing used ============= ======================================================= By the way this results in marc@mail: /pr/haskell/waskaufeichwo ]$ sConfigure bash: /home/marc/ghc69/bin/ghc-pkg: No such file or directory setup: 'parseField' called on a non-field. Consider this a bug. ^^^^^^^^^^^^^^^^^^^ Don't think its harmfull marc@mail: /pr/haskell/waskaufeichwo ]$ ./setup --version Cabal library version 1.5.5 Do you build test tests this way as well? Marc

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patch applied (cabal): add missing exeExtension when stripping an executable
by Simon Marlow 08 Oct '08

08 Oct '08

Tue Oct 7 06:47:57 PDT 2008 Simon Marlow <marlowsd(a)gmail.com> * add missing exeExtension when stripping an executable M ./Distribution/Simple/GHC.hs -1 +1 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081007134757-12142-8f1e6cc4…

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patch applied (cabal-install): Relax deps to build with ghc-6.10
by Duncan Coutts 07 Oct '08

07 Oct '08

Tue Oct 7 16:07:01 PDT 2008 Duncan Coutts <duncan(a)haskell.org> * Relax deps to build with ghc-6.10 M ./cabal-install.cabal -2 +2 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20081007230701-adfee-…

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