April 2001 - Glasgow-haskell-users

AW: Difficulties compiling hmake / HaXml
by Lescher Christian 05 Apr '01

05 Apr '01

Finally I made it till the end, thanks to your very quick replies. I hope I didn't bother you too much with all the mails. At last I'd like to give a summary of all the changes been made to the files of the "HaXml" release. Perhaps you'll find this information usefull for further releases. system configuration: - Win NT 4.0 - cygwin 1.1.8 - ghc 4.08.2 - hmake 2.02 ;) - HaXml 1.01 The Makefile and the DtdToTypesDefPP.hs were changed. changes to Makefile: line 51: cd lib; hmake XmlLib.hs changed to cd lib; hmake XmlLib.hs -package lang line 53: cd lib; hmake Haskell2Xml.hs -> cd lib; hmake Haskell2Xml.hs -package lang -package text line 55: cd lib; hmake Xml2Haskell.hs -> cd lib; hmake Xml2Haskell.hs -package lang line 61: cd tools; hmake DtdToHaskell $(INC) mv tools/DtdToHaskell . -> cd tools; hmake DtdToHaskell -i../lib -package lang mv tools/DtdToHaskell.exe . line 65: cd examples; hmake Canonicalise $(INC) mv examples/Canonicalise . -> cd examples; hmake Canonicalise -i../lib -package lang mv examples/Canonicalise.exe . line 69: cd tools; hmake Xtract $(INC) mv tools/Xtract . -> cd tools; hmake Xtract -i../lib -package lang mv tools/Xtract.exe . line 74: mv tools/DrIFT/DrIFT . -> mv tools/DrIFT/DrIFT.exe . changes to DtdToTypesDefPP.hs: line 510: commaList = hcat . intersperse comma -> -- commaList = hcat . intersperse comma

1 0

Hard earned hints for using Win32 GHC 4.08.2 and HDirect.
by Mike Thomas 05 Apr '01

05 Apr '01

Hi all. I thought I might share some hints on making HDirect work with GHC 4.08.2. Installing and checking GHC: - Get the installer from the GHC downloads page, do the installation per the instructions there, including Cygwin etc. - Remove the digit "1" from the bottom of lib/imports/win32/Win32.hi - Remove old .hi files from any program source directories you may have. - To test, try compiling the Windows hello.lhs example using the command line "ghc hello.lhs -o hello.exe -package win32" and run hello.exe. - If you get linker errors about "import____timezone_dll" from time.o, you need to add the line: push(@SysLibrary, '-lcrtdll') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/); below the line: push(@SysLibrary, '-lwsock32') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/); in your "bin/ghc" driver script. This is because the distribution is built with an old version of Cygwin GCC which links against crtdll.dll rather than msvcrt.dll when -mno-cygwin is set on the command line (GHC uses mingw32). By doing this, spare symbols are resolved after linkage with msvcrt.dll. DO NOT SUBSTITUTE -lmsvcrt with -lcrtdll. If you substitute, you will get errors about running out of resources on fileOpen at run time. - You may also need to update your GCC Mingw32 libraries and headers from the Sourceforge Mingw32 downloads page if you have unexplained crashes. Building HDIrect 0.17 - Uninstall previous versions of HDirect including "lib/imports/com" and associated libraries, which don't work very well with GHC 4.08.2. - Get the source from the HDirect web site and untar it somewhere. - You may need to edit "lib/WideStringSrc.c" if you use the latest Cygwin distribution to remove a clashing definition and declaration of wcslen(). - Build per the instructions in the INSTALL file. - This gives you a bare bones ihc.exe which cannot handle type libraries. - Install the freshly built lib/*.hi files in a new ghc "lib/imports/com" directory and also the libraries (libHScom.a, libhdirect.a) into ghc's "lib" directory. - Do "make clean", deleting "src/ihc.exe" by hand. - Set SUPPORT_TYPELIBS=YES in "src/Makefile" - "make boot", "make", then "make lib" as before. - You now have version 0.17 of HDirect for Windows. Question Time: Why does ihc ignore binary interfaces in type libraries such as dx7vb.dll? Cheers Mike Thomas

1 0

Replacing module Array by IArray
by andreas.marth＠daimlerchrysler.com 04 Apr '01

04 Apr '01

Hallo! The module Array exports module Ix (Haskell 98 Library Report). The module IArray doesn't export Ix (jet?). I think a pack and unpack function to convert between IArray ix be and UArray ix ube via 'amap pack/unpack' would be useful. (Or am I just missing the conversion function and it is already there? Andreas

2 1

AW: AW: Difficulties compiling hmake / HaXml
by Lescher Christian 03 Apr '01

03 Apr '01

I changed the hmake call to that one you suggested but sadly another error followed up. cd tools; hmake DtdToHaskell -i../lib ghc -i../lib -c -cpp -o DtdToTypeDefPP.o DtdToTypeDefPP.hs DtdToTypeDefPP.hs:94: Ambiguous occurrence `commaList' It could refer to either `commaList', defined at DtdToTypeDefPP.hs:510 or `Pretty.commaList', imported from Pretty at DtdToTypeDefPP.hs:19 DtdToTypeDefPP.hs:117: Ambiguous occurrence `commaList' It could refer to either `commaList', defined at DtdToTypeDefPP.hs:510 or `Pretty.commaList', imported from Pretty at DtdToTypeDefPP.hs:19 Compilation had errors make: *** [DtdToHaskell] Error 1 bash-2.04$

1 0

AW: Difficulties compiling hmake / HaXml
by Lescher Christian 03 Apr '01

03 Apr '01

Thanks for helping me out again. Now I made it through to the XML-Tools but unfortunatly they brought me another error. Below the error message I copied the 2 lines mentioned there (220 and 222) from the haskell file. cd tools; hmake DtdToHaskell -I../lib -package text ghc -package text -I../lib -c -o DtdToTypeDefPP.o DtdToTypeDefPP.hs DtdToTypeDefPP.hs:220: Data constructor not in scope: `DefaultTo' DtdToTypeDefPP.hs:222: Data constructor not in scope: `DefaultTo' Compilation had errors make: *** [DtdToHaskell] Error 1 bash-2.04$ ---------- mkAttrField e (AttDef n StringType (DefaultTo (AttValue [Left s]) f)) = (name_f e n, Defaultable String s) mkAttrField e (AttDef n _ (DefaultTo (AttValue [Left s]) f)) = (name_f e n, Defaultable (Defined (name n)) (mangle s))

2 1

RE: process file table full?
by Simon Marlow 03 Apr '01

03 Apr '01

> Yesterday I asked for the posssible reasons of > > > Fail: resource exhausted > > Action: openFile > > Reason: process file table full connect-985988146.log > > Writing that particular file wasn't the cause, but just a symptom. > > It seems that I forgot to close filehandles obtained from > Socket.accept. > I somehow thought they were garbage collecteted, but > apparently the weren't. They should be garbage collected and closed automatically. But it may be some time between the handle becoming garbage and it finally being closed, so if you're accepting connections at a fast rate, it's always a good idea to close the handle explicitly when you finish with it. Cheers, Simon

1 0

RE: package ? 4.0.8.2
by Simon Peyton-Jones 03 Apr '01

03 Apr '01

Julian is planning to make the nightly-build documentation visible from the GHC home page. (aren't you, Julian?!) Simon | -----Original Message----- | From: Kevin Glynn [mailto:keving@cs.mu.OZ.AU] | Sent: 03 April 2001 00:13 | To: Simon Marlow | Cc: ltaesch(a)europemail.com; glasgow-haskell-users(a)haskell.org | Subject: RE: package ? 4.0.8.2 | | | | Apologies, this is a local copy of the GHC documentation I | use for speedy access. Somehow it appears to be halfway | between 4.08 and 5.00. I've made it clearer on the fpu pages now. | | Slightly off-topic. Could you make a copy of the CVS | versions of the documentation available from the GHC pages? I | still haven't worked out how to get the right docbook stuff | installed under Debian ... | | thanks | k | | | | Simon Marlow writes: | > > im new to ghc. | > > | > > i just could not find how to include lib/package in the | compile... > > | > > | > > by browsing the web, i found that | > > | > | http://www.cs.mu.oz.au/fpu/ghc-guides/set/packages.html#LISTIN G-PACKAGES > > > have a 3.8 section about package, whereas > haskell.org/ghc/documentation dont ! > > > > also ghc --list-packages doesnt not work on my win install (fresh from > the day > > before) > > > > also, the doc mention a packages.conf file. > > where is this one ? (on win) > > GHC 4.08.2 doesn't have package.conf, or the ghc-pkg tool. These are in > the forthcoming GHC 5.00 only; presumably the documentation you are > looking at is for a newer version of GHC. > > Cheers, > Simon > > _______________________________________________ > Glasgow-haskell-users mailing list > Glasgow-haskell-users(a)haskell.org > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users > _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users(a)haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users

1 0

process file table full?
by Johannes Waldmann 03 Apr '01

03 Apr '01

Yesterday I asked for the posssible reasons of > Fail: resource exhausted > Action: openFile > Reason: process file table full connect-985988146.log Writing that particular file wasn't the cause, but just a symptom. It seems that I forgot to close filehandles obtained from Socket.accept. I somehow thought they were garbage collecteted, but apparently the weren't. -- -- Johannes Waldmann ---- http://www.informatik.uni-leipzig.de/~joe/ -- -- joe(a)informatik.uni-leipzig.de -- phone/fax (+49) 341 9732 204/252 --

1 0

RE: package ? 4.0.8.2
by Simon Marlow 02 Apr '01

02 Apr '01

> im new to ghc. > > i just could not find how to include lib/package in the compile... > > > by browsing the web, i found that > http://www.cs.mu.oz.au/fpu/ghc-guides/set/packages.html#LISTING-PACKAGES > have a 3.8 section about package, whereas haskell.org/ghc/documentation dont ! > > also ghc --list-packages doesnt not work on my win install (fresh from the day > before) > > also, the doc mention a packages.conf file. > where is this one ? (on win) GHC 4.08.2 doesn't have package.conf, or the ghc-pkg tool. These are in the forthcoming GHC 5.00 only; presumably the documentation you are looking at is for a newer version of GHC. Cheers, Simon

2 1

RE: Difficulties compiling hmake / HaXml
by Lescher Christian 02 Apr '01

02 Apr '01

Now that I made it through the hmake compilation and went on to the haXml tools I come to another problem with compiling haXml. The error message (below) lead me to the missing file (IOExts.hi) which I found in "/lib/imports/lang". I searched the Makefile and recognized the "HFLAGS" variable wich seems to be set for the ghc-compiler and the path to the "lang" directory. But, as there is an error message what is wrong ? Is there a problem with the Makefile or the directory structure? Can you help me go on? Cheers, Christian C:\test-haxml>make cd lib; hmake XmlLib.hs ghc -c -o Pretty.o Pretty.lhs ghc -c -o XmlTypes.o XmlTypes.hs ghc -c -o XmlPP.o XmlPP.hs ghc -c -o XmlLex.o XmlLex.hs ghc -c -o ParseSTLib.o ParseSTLib.hs ghc -c -o XmlHtmlParse.o XmlHtmlParse.hs ghc -c -o XmlParse.o XmlParse.hs XmlParse.hs:39: Could not find interface file for `IOExts' in the directories ./*.hi C:/ghc/ghc-4.08.2/lib/imports/std/*.hi Compilation had errors make: *** [XmlLib] Error 1

1 0