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Ticket Resolution Summary Owner Reporter
#1862 fixed DocBook XSL Stylesheets search path is incomplete igloo AndreaRossato
Description

Presently the directory used by Slackware GNU/Linux and other distribution to store the docbook xsl stylesheets is not searched by ghc configuration script.

Attached a patch to configure.ac to include that directory: /usr/share/xml/docbook/xsl-stylesheets*

Regrads, Andrea Rossato

#1911 fixed -w doesn't turn off nullModuleExport AndreaRossato AndreaRossato
Description

Hello!

Starting from 6.8.1 ghc reports a warning when a module that does not export anything is exported. The warning is generated in compiler/rename/RnName.lhs by exports_from_avail.

I'm not familiar enough with ghc to go any further.

Thanks. Andrea

#5405 worksforme Strange closure type crash when using Template Haskell on OS X Lion AndreasVoellmy
Description

GHCI crashes when I try to use Template Haskell on OS X Lion. To illustrate this, I have a small module, in a file A.hs:

module A where

import Language.Haskell.TH (Exp)
import Language.Haskell.SyntaxTrees.ExtsToTH (parseToTH) 

transform :: String -> Either String Exp
transform = parseToTH

ex1 = "42"

When I start ghci, load A, and evaluate ex1, and wait a couple seconds I get a crash, that usually reports something like this:

*A> ghc: internal error: evacuate: strange closure type 0
    (GHC version 7.0.4 for x86_64_apple_darwin)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
Abort trap: 6

Sometimes I get different crash messages as well, such as:

*A> Segmentation fault: 11

Here is the transcript of a ghci session:

Andreas$ ghci -v
GHCi, version 7.0.4: http://www.haskell.org/ghc/  :? for help
Glasgow Haskell Compiler, Version 7.0.4, for Haskell 98, stage 2 booted by GHC version 7.0.2
Using binary package database: /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/package.conf.d/package.cache
Using binary package database: /Users/Andreas/.ghc/x86_64-darwin-7.0.4/package.conf.d/package.cache
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-d9df11f804556f362beb0ea4e67261ba
wired-in package integer-gmp mapped to integer-gmp-0.2.0.3-298c59ba68b7aaa7e76ae5b1fe5e876e
wired-in package base mapped to base-4.3.1.0-239d76b73f466dc120129098b3472858
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.5.0.0-b46cde34bfee890dc536d5be377e906f
wired-in package dph-seq not found.
wired-in package dph-par not found.
Hsc static flags: -static
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
Prelude> :l A
*** Chasing dependencies:
Chasing modules from: 
Stable obj: []
Stable BCO: []
unload: retaining objs []
unload: retaining bcos []
Ready for upsweep []
Upsweep completely successful.
*** Deleting temp files:
Deleting: 
*** Chasing dependencies:
Chasing modules from: *A.hs
Stable obj: []
Stable BCO: []
unload: retaining objs []
unload: retaining bcos []
Ready for upsweep
  [NONREC
      ModSummary {
         ms_hs_date = Wed Aug 10 16:52:58 EDT 2011
         ms_mod = main:A,
         ms_imps = [import Prelude,
                    import Language.Haskell.SyntaxTrees.ExtsToTH ( parseToTH ),
                    import Language.Haskell.TH ( Exp )]
         ms_srcimps = []
      }]
compile: input file A.hs
*** Checking old interface for main:A:
[1 of 1] Compiling A                ( A.hs, interpreted )
*** Parser:
*** Renamer/typechecker:
*** Desugar:
    Result size = 13
*** Simplifier SimplMode {Phase = 0 [final],
                      inline,
                      no rules,
                      eta-expand,
                      case-of-case} max-iterations=4:
    Result size = 13
*** Tidy Core:
    Result size = 13
*** CorePrep:
    Result size = 13
*** ByteCodeGen:
*** Deleting temp files:
Deleting: 
Upsweep completely successful.
*** Deleting temp files:
Deleting: 
Ok, modules loaded: A.
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-d9df11f804556f362beb0ea4e67261ba
wired-in package integer-gmp mapped to integer-gmp-0.2.0.3-298c59ba68b7aaa7e76ae5b1fe5e876e
wired-in package base mapped to base-4.3.1.0-239d76b73f466dc120129098b3472858
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.5.0.0-b46cde34bfee890dc536d5be377e906f
wired-in package dph-seq not found.
wired-in package dph-par not found.
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-d9df11f804556f362beb0ea4e67261ba
wired-in package integer-gmp mapped to integer-gmp-0.2.0.3-298c59ba68b7aaa7e76ae5b1fe5e876e
wired-in package base mapped to base-4.3.1.0-239d76b73f466dc120129098b3472858
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.5.0.0-b46cde34bfee890dc536d5be377e906f
wired-in package dph-seq not found.
wired-in package dph-par not found.
*A> ex1
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-d9df11f804556f362beb0ea4e67261ba
wired-in package integer-gmp mapped to integer-gmp-0.2.0.3-298c59ba68b7aaa7e76ae5b1fe5e876e
wired-in package base mapped to base-4.3.1.0-239d76b73f466dc120129098b3472858
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.5.0.0-b46cde34bfee890dc536d5be377e906f
wired-in package dph-seq not found.
wired-in package dph-par not found.
*** Parser:
*** Desugar:
*** Simplify:
*** CorePrep:
*** ByteCodeGen:
Loading package array-0.3.0.2 ... linking ... done.
Loading package bytestring-0.9.1.10 ... linking ... done.
Loading package containers-0.4.0.0 ... linking ... done.
Loading package ghc-binary-0.5.0.2 ... linking ... done.
Loading package filepath-1.2.0.0 ... linking ... done.
Loading package old-locale-1.0.0.2 ... linking ... done.
Loading package old-time-1.0.0.6 ... linking ... done.
Loading package unix-2.4.2.0 ... linking ... done.
Loading package directory-1.1.0.0 ... linking ... done.
Loading package pretty-1.0.1.2 ... linking ... done.
Loading package process-1.0.1.5 ... linking ... done.
Loading package Cabal-1.10.2.0 ... linking ... done.
Loading package bin-package-db-0.0.0.0 ... linking ... done.
Loading package hpc-0.5.0.6 ... linking ... done.
Loading package template-haskell ... linking ... done.
Loading package ghc-7.0.4 ... linking ... done.
Loading package extensible-exceptions-0.1.1.2 ... linking ... done.
Loading package time-1.2.0.3 ... linking ... done.
Loading package random-1.0.0.3 ... linking ... done.
Loading package cpphs-1.12 ... linking ... done.
Loading package haskell-src-exts-1.11.1 ... linking ... done.
Loading package transformers-0.2.2.0 ... linking ... done.
Loading package mtl-2.0.1.0 ... linking ... done.
Loading package MonadCatchIO-mtl-0.3.0.3 ... linking ... done.
Loading package ghc-mtl-1.0.1.0 ... linking ... done.
Loading package ghc-paths-0.1.0.8 ... linking ... done.
Loading package haskell98-1.1.0.1 ... linking ... done.
Loading package syb-0.3.3 ... linking ... done.
Loading package haskell-src-1.0.1.4 ... linking ... done.
Loading package utf8-string-0.3.6 ... linking ... done.
Loading package hint-0.3.3.2 ... linking ... done.
Loading package uniplate-1.6 ... linking ... done.
Loading package syntax-trees-0.1.2 ... linking ... done.
"42"
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-d9df11f804556f362beb0ea4e67261ba
wired-in package integer-gmp mapped to integer-gmp-0.2.0.3-298c59ba68b7aaa7e76ae5b1fe5e876e
wired-in package base mapped to base-4.3.1.0-239d76b73f466dc120129098b3472858
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.5.0.0-b46cde34bfee890dc536d5be377e906f
wired-in package dph-seq not found.
wired-in package dph-par not found.
*A> ghc: internal error: evacuate: strange closure type 0
    (GHC version 7.0.4 for x86_64_apple_darwin)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
Abort trap: 6

Some more details about my setup:

My machine:

Darwin 11.0.0 Darwin Kernel Version 11.0.0: Sat Jun 18 12:56:35 PDT 2011; root:xnu-1699.22.73~1/RELEASE_X86_64 x86_64

gcc -v:

Using built-in specs.
Target: i686-apple-darwin11
Configured with: /private/var/tmp/llvmgcc42/llvmgcc42-2335.15~25/src/configure --disable-checking --enable-werror --prefix=/Developer/usr/llvm-gcc-4.2 --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --enable-llvm=/private/var/tmp/llvmgcc42/llvmgcc42-2335.15~25/dst-llvmCore/Developer/usr/local --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
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