I'm afraid that hasn't helped. GHC appears to be looking for a package '=DSP', but there's no indication why. Could you give us enough instructions to be able to reproduce the problem here, please? Including: - full source code, or where to get it - complete command lines - platform, GHC version Cheers, Simon On 17 November 2004 12:37, Fred Nicolier wrote:

Simon Marlow wrote:

...

Please send the output of command (2) with -v added to the command line.

Cheers, Simon

I have isolated the dependancies of the packages : the work file is now : \begin{code} module Main where import Data.Array import DSP.Filter.FIR.FIR import DSP.Filter.FIR.Sharpen import DSP.Source.Basic n :: Int n = 1000 h :: Array Int Double h = listArray (0,16) [ -0.016674..] y1 = fir h $ impulse

main = do putStrLn $ show (head y1) \end{code}

Here is the output of 'ghci -v -package DSP test.hs' : ghci -v -package DSP test.hs ___ ___ _ / _ \ /\ /\/ __(_) / /_\// /_/ / / | | GHC Interactive, version 6.2.1, for Haskell 98. / /_\\/ __ / /___| | http://www.haskell.org/ghc/ \____/\/ /_/\____/|_| Type :? for help.

Glasgow Haskell Compiler, Version 6.2.1, for Haskell 98, compiled by GHC version 6.2.1 Using package config file: /usr/local/lib/ghc-6.2.1/package.conf

==================== Packages ==================== Package {name = "data", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/data"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSdata"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["haskell98", "lang", "util"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "DSP", auto = False, import_dirs = ["/usr/local/lib/imports/HDsp"], source_dirs = [], library_dirs = ["/usr/local/lib"], hs_libraries = ["HSDSP"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["data", "Polynomial", "Matrix", "Numeric"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "base", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSbase"], extra_libraries = ["HSbase_cbits"], include_dirs = [], c_includes = ["HsBase.h"], package_deps = ["rts"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "rts", auto = False, import_dirs = [], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSrts"], extra_libraries = ["m", "gmp"], include_dirs = ["/usr/local/lib/ghc-6.2.1/include"], c_includes = ["Stg.h"], package_deps = [], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = ["-u", "GHCziBase_Izh_static_info", "-u", "GHCziBase_Czh_static_info", "-u", "GHCziFloat_Fzh_static_info", "-u", "GHCziFloat_Dzh_static_info", "-u", "GHCziPtr_Ptr_static_info", "-u", "GHCziWord_Wzh_static_info", "-u", "GHCziInt_I8zh_static_info", "-u", "GHCziInt_I16zh_static_info", "-u", "GHCziInt_I32zh_static_info", "-u", "GHCziInt_I64zh_static_info", "-u", "GHCziWord_W8zh_static_info", "-u", "GHCziWord_W16zh_static_info", "-u", "GHCziWord_W32zh_static_info", "-u", "GHCziWord_W64zh_static_info", "-u", "GHCziStable_StablePtr_static_info", "-u", "GHCziBase_Izh_con_info", "-u", "GHCziBase_Czh_con_info", "-u", "GHCziFloat_Fzh_con_info", "-u", "GHCziFloat_Dzh_con_info", "-u", "GHCziPtr_Ptr_con_info", "-u", "GHCziPtr_FunPtr_con_info", "-u", "GHCziStable_StablePtr_con_info", "-u", "GHCziBase_False_closure", "-u", "GHCziBase_True_closure", "-u", "GHCziPack_unpackCString_closure", "-u", "GHCziIOBase_stackOverflow_closure", "-u", "GHCziIOBase_heapOverflow_closure", "-u", "GHCziIOBase_NonTermination_closure", "-u", "GHCziIOBase_BlockedOnDeadMVar_closure", "-u", "GHCziIOBase_Deadlock_closure", "-u", "GHCziWeak_runFinalizzerBatch_closure", "-u", "__stginit_Prelude", "-L/usr/local/lib"], framework_dirs = [], extra_frameworks = []} Package {name = "haskell98", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HShaskell98"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "haskell-src", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HShaskell-src"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["base", "haskell98"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "network", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSnetwork"], extra_libraries = [], include_dirs = [], c_includes = ["HsNet.h"], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "parsec", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSparsec"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "QuickCheck", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSQuickCheck"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "readline", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSreadline"], extra_libraries = ["readline", "ncurses"], include_dirs = [], c_includes = ["HsReadline.h"], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "unix", auto = True, import_dirs = ["/usr/local/lib/ghc-6.2.1/imports"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSunix"], extra_libraries = ["HSunix_cbits"], include_dirs = [], c_includes = ["HsUnix.h"], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "lang", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/lang"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSlang"], extra_libraries = ["HSlang_cbits"], include_dirs = [], c_includes = ["HsLang.h"], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "concurrent", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/concurrent"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSconcurrent"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["base"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "posix", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/posix"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSposix"], extra_libraries = ["HSposix_cbits"], include_dirs = [], c_includes = ["HsPosix.h"], package_deps = ["lang", "unix"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "util", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/util"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSutil"], extra_libraries = ["HSutil_cbits"], include_dirs = [], c_includes = ["HsUtil.h"], package_deps = ["lang", "concurrent", "QuickCheck", "readline", "posix"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "text", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/text"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HStext"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["lang", "parsec"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "net", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/net"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HSnet"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["network"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "hssource", auto = False, import_dirs = ["/usr/local/lib/ghc-6.2.1/hslibs-imports/hssource"], source_dirs = [], library_dirs = ["/usr/local/lib/ghc-6.2.1"], hs_libraries = ["HShssource"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["haskell-src"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "Matrix", auto = False, import_dirs = ["/usr/local/lib/imports/HDsp"], source_dirs = [], library_dirs = ["/usr/local/lib"], hs_libraries = ["HSMatrix"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["data"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "Polynomial", auto = False, import_dirs = ["/usr/local/lib/imports/HDsp"], source_dirs = [], library_dirs = ["/usr/local/lib"], hs_libraries = ["HSPolynomial"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["data"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "Numeric", auto = False, import_dirs = ["/usr/local/lib/imports/HDsp"], source_dirs = [], library_dirs = ["/usr/local/lib"], hs_libraries = ["HSNumeric"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["data"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []} Package {name = "hips", auto = False, import_dirs = ["/usr/local/lib/imports/HShips"], source_dirs = [], library_dirs = ["/usr/local/lib"], hs_libraries = ["HShips"], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = ["data", "network", "DSP", "Matrix", "Numeric", "Polynomial"], extra_ghc_opts = [], extra_cc_opts = [], extra_ld_opts = [], framework_dirs = [], extra_frameworks = []}

Hsc static flags: -static *** Parser: *** Desugar: *** Simplify: *** CorePrep: *** ByteCodeGen: Loading package base ... linking ... done. Loading package haskell98 ... linking ... done. Loading package lang ... linking ... done. Loading package concurrent ... linking ... done. Loading package QuickCheck ... linking ... done. Loading package readline ... linking ... done. Loading package unix ... linking ... done. Loading package posix ... linking ... done. Loading package util ... linking ... done. Loading package data ... linking ... done. Loading package Polynomial ... linking ... done. Loading package Matrix ... linking ... done. Loading package Numeric ... linking ... done. Loading package DSP ... linking ... done. *** Parser: *** Desugar: *** Simplify: *** CorePrep: *** ByteCodeGen: *** Chasing dependencies: unload: retaining objs [] unload: retaining bcos [] Stable modules: unload: retaining objs [] unload: retaining bcos [] *** Compiling Main: compile: input file test.hs *** Checking old interface for Main: Skipping Main ( test.hs, test.o ) *** Deleting temp files Deleting: /tmp/ghc48419.hc Warning: deleting non-existent /tmp/ghc48419.hc Upsweep completely successful. *** Deleting temp files Deleting: Ok, modules loaded: Main. Prelude Main> main main *** Parser: *** Desugar: *** Simplify: *** CorePrep: *** ByteCodeGen: unknown package name: =DSP Prelude Main>

is it giving more informations ?

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