- Nhc-bugs - Haskell.org

Labels for float instructions on alpha
by Ian Lynagh 28 Apr '03

28 Apr '03

Hi, In src/runtime/Kernel/mutator.c you have #ifndef __alpha /* Float is Double on alpha */ ... Case(ADD_F): PRIM_OP2_FLOAT(+); ... #endif /* __alpha */ (and a number of others). However, static void *labs[] = { INSTRUCTION_LIST }; has an "ins(ADD_F)," regardless, so it fails to build http://buildd.debian.org/fetch.php?&pkg=nhc98&ver=1.14-9&arch=alpha&stamp=1… Presumably this should also be ifdefed out, or possibly substituted with a dummy label? Thanks Ian

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18 Apr '03

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Re: type synonym bug
by Malcolm Wallace 01 Apr '03

01 Apr '03

Feliks Kluzniak <feliks(a)crt.se> writes: > When I tried to compile my large program (which goes through GHC without any > warnings), I get a bunch of strange error messages. I have managed to > extract a small example that demonstrates the problem (see below). > > I think my function is OK, don't you? In any case the error message seems > confusing, since the derived type and the given type are shown as identical. Thanks for the report - this bug is new to us. You are right that nhc98 should accept this program, and that the error message is confusing. The cause appears to be that nhc98 does not expand the type synonym type GNode a = a correctly. Our resident type system hacker will have a look at it, I'm sure. Regards, Malcolm > ------------------------------- The diagnostics: > $ nhc98 -c SeeStrange.hs > ====== Errors after type inference/checking: > Derived type for Main.unknownNodesInEdges at 17:1 can not be unified with > given type due to (type-variable occurrence check fails) > Derived:((GEdges a) -> ((GNodes a) -> (GEdges a))) > Given :((GEdges a) -> ((GNodes a) -> (GEdges a))) > Type error (type-variable occurrence check fails) > when trying to apply function at 18:42 to its 2nd argument at 18:65. > > Type error (type-variable occurrence check fails) > when trying to apply function at 18:10 to its 2nd argument at 18:33. > > ------------------------------ SeeStrange.hs: > import List ( nub ) > > type GNode a = a > > type GNodes a = [ GNode a ] > > > type GEdge a = ( GNode a , GNode a ) > > type GEdges a = [ GEdge a ] > > > -- Find edges that contain occurrences of nodes not given in arg2. > > unknownNodesInEdges :: (Eq a) => GEdges a -> GNodes a -> GEdges a > > unknownNodesInEdges edges nodes = > nub (filter (notNode . fst) edges ++ filter (notNode . snd) edges) > where > notNode = \x -> notElem x nodes > ----------------------------------------------------------------------------

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nhc build crashes on powerbook
by Sven Moritz Hallberg 31 Mar '03

31 Mar '03

Hi, when trying to build my PowerBook G4 running Gentoo Linux (with GCC 3.2) I ran into a segmentation fault on the command /home/pesco/build/nhc98-1.16/script/nhc98 -cpp -c +CTS -lib -redefine -CTS +RTS -H32M -RTS -o /home/pesco/build/nhc98-1.16/targets/PowerBook3,2-Linux/obj/prelude/DErrNo/DErrNo.o DErrNo.hs in the src/prelude/PowerBook3,2-Linux/NHC directory: /home/pesco/build/nhc98-1.16/script/nhc98: line 604: 28506 Segmentation fault $COMP $RUNFLAGS $COMPFLAGS $HINCDIRS -I. $UNLIT -P${NHC98INCDIR} $HSFILE $POSTGRFILE $TMPHIFILE $TMPCPPASFILE manually rerunning with -v turned up: gcc -D__NHC__=116 -D__HASKELL__=98 -D__HASKELL_98__ -D__HASKELL98__ -x c -E -traditional ./DErrNo.hs > /tmp/DErrNo.28507.hs /home/pesco/build/nhc98-1.16/lib/PowerBook3,2-Linux/nhc98comp +RTS -H32M -RTS -P/home/pesco/build/nhc98-1.16/include/base -lib -redefine -I. -P/home/pesco/build/nhc98-1.16/include /tmp/DErrNo.28507.hs ./DErrNo.hs /tmp/DErrNo.28507.hi /tmp/DErrNo.28507.hc /home/pesco/build/nhc98-1.16/script/nhc98: line 604: 28549 Segmentation fault $COMP $RUNFLAGS $COMPFLAGS $HINCDIRS -I. $UNLIT -P${NHC98INCDIR} $HSFILE $POSTGRFILE $TMPHIFILE $TMPCPPASFILE Have you got any idea by what this might be caused? Regards, Sven

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importing only a part of the Prelude
by Christian Maeder 28 Mar '03

28 Mar '03

module TestOnlyImport where import Prelude(String) f::String f = "" yields: nhc98 -c -o TestOnlyImport.o TestOnlyImport.hs ====== Errors when renaming: Constructor () used at is not defined. Constructor Prelude.2 used at is not defined. Type constructor Prelude.2 used at is not defined. Constructor Prelude.: used at is not defined. Constructor Prelude.[] used at is not defined. Identifier Prelude.undefined used at is not defined. Identifier Prelude.id used at is not defined. Constructor Prelude.False used at is not defined. Constructor Prelude.True used at is not defined. Identifier Prelude.flip used at is not defined. Identifier Prelude.error used at is not defined. Type constructor Prelude.Int used at is not defined.

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Duplicated type variable
by Arjan van IJzendoorn 18 Mar '03

18 Mar '03

Hello NHC people, I've just succesfully built NHC under Cygwin + Windows 2K. Works perfectly! I did this to evaluate the error messages NHC produces. I see that you maintain lines and columns in your messages. That's too bad, because I thought we were the only ones with Helium :-) However, the first program I tried to compile gave no errors, while it should have: -- data A a a = A a main = putStrLn "hello" -- [/cygdrive/c/docs] nhc98 NHCTest.hs [/cygdrive/c/docs] ./a.out hello [/cygdrive/c/docs] ghc NHCTest.hs NHCTest.hs:1: Conflicting definitions for `a' In the data type declaration for `A' [/cygdrive/c/docs] helium NHCTest.hs Compiling NHCTest.hs (1,8), (1,10): Duplicated type variable "a" Compilation failed with 1 error I didn't find this bug in the list of known bugs. Cheers, Arjan

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by chika umeh 17 Mar '03

17 Mar '03

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nhc-1.16: no stdint.h
by Albert REINER 15 Mar '03

15 Mar '03

Hi, I just tried to install nhc-1.16 on a rather old system (Linux, kernel 2.0.35, libc1). Configure output: ,---- ... | Looking for already-installed Haskell compilers: | Looking for hbc... found 0.9999.4, | Looking for ghc... found 4.08.2 | Looking for nhc98... (not found) ... | You are going to build nhc98 with: ghc | nhc98comp uses RTS delimiters? yes | This machine's endian-ness is: -DLOW_BYTE_FIRST (cached) | Executables need .exe suffix? no (detected) | Testing for the curses library: -lncurses (cached) | Testing for the readline library: -lreadline -lncurses (detected) | Reading /usr/include/errno.h: no change | Default heap for compiled programs is: 100000 words (cached) ... `---- According to `make help`, ,---- | Default target is: basic + heapprofile + timeprofile `---- `make`, after setting up some directories, fails with the following: ,---- | cd Kernel; make all | make[2]: Entering directory `/home/albert/nhc98-1.16/src/runtime/Kernel' ... | gcc -c -DLOW_BYTE_FIRST -O3 -I/home/albert/nhc98-1.16/include -DVERSION="\"1.16\"" -o /home/albert/nhc98-1.16/targets/ix86-Linux/obj/runtime/Kernel/mutator.o mutator.c | In file included from mutator.c:13: | mark.h:10: stdint.h: No such file or directory | make[2]: *** [/home/albert/nhc98-1.16/targets/ix86-Linux/obj/runtime/Kernel/mutator.o] Error 1 | make[2]: Leaving directory `/home/albert/nhc98-1.16/src/runtime/Kernel' | make[1]: *** [ofiles] Error 2 | make[1]: Leaving directory `/home/albert/nhc98-1.16/src/runtime' | make: *** [targets/ix86-Linux/runtime] Error 2 `---- I suppose this has something to do with the ancient C library (though I do not recall seeing libc2 listed as a prerequisite in the installation instructions); is there any simple way to build or install nhc on this system? Regards, Albert.

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06 Mar '03

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24 Feb '03

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