Hi

On 9/27/06, Matthew Bromberg <[EMAIL PROTECTED]> wrote:
though I have a binary build of ghc 6.5

If you have new ghc 6.5, you can use --mk-dll with --make, in case that helps.

ghc --mk-dll -o netsim.dll ExternLib.o ExternLib_stub.o dllNet.o src1.o
src1_stub.o src2.o  -optl-lmatrixstack -optl-L"."

My external C library is in matrixstack.dll and it has a corresponding
static link stub library matrixstack.lib in the same directory as all
the sources. It has references in one of the sources (say src1.hs).

If I recall correctly, to link Ms-style import libs, you must specify
them as object
files (ie no -optl-lfoo, but just foo.lib) or make mingw-style import
libs via .def
files.  But as you've not run into this yet, maybe it works for you like that.

Unfortunately I get a host of undefined references to basically all the
functions in matrixstack.dll and also some undefined references of the form
Parsefile.o:ghc2996_0.hc:(.text+0x130): undefined reference to
`TextziParserCombinatorsziParsecziError_show_closure'
Parsefile.o:ghc2996_0.hc:(.text+0x220): undefined reference to
`TextziParserCombinatorsziParsecziChar_spaces_closure'
Parsefile.o:ghc2996_0.hc:(.text+0x24a): undefined reference to
`TextziParserCombinatorsziParsecziChar_spaces_closure'
Parsefile.o:ghc2996_0.hc:(.text+0x29c): undefined reference to
`TextziParserCombinatorsziParsecziChar_spaces_closure'

Add
-package parsec
to you ghc commandline.  And similary for any other packages you used while
compiling.

HTH,
Esa
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