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Problem compiling xpath/tests
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Date: 2001-02-01 (07:47)
From: Gerd Stolpmann <gerd@g...>
Subject: Re: Problem compiling xpath/tests
On Mon, 29 Jan 2001, s. n. wight wrote:
>I am unable to build the XPath/tests modules due to the following complaint:
>ocamlfind ocamlc -o test -linkpkg -I .. xpath.cma -package pxp,wlexing test.cmo
>/tmp/cc4Z3fxN.o(.data+0x360): undefined reference to `lex_engine_tiny_8bit'
>/tmp/cc4Z3fxN.o(.data+0x364): undefined reference to `lex_engine_tiny_utf8'
>collect2: ld returned 1 exit status
>Error while building custom runtime system
>make: *** [test] Error 2
>I'm running OCaml 3.00 on Suse Linux 7.0.

I suppose you must also pass the -custom flag to the compiler, because the
C functions lex_engine_tiny_8bit and lex_engine_tiny_utf8 are not available in
the standard bytecode interpreter. (But "Error while building custom runtime
system" is a hint that ocamlc tries to build a custom runtime system; this
message is confusing.)

I remember also that there are two versions of wlex, one using a lexing engine
written in C, and another one using a lexing engine written in O'Caml. XPath
seems to use the C version (applies module Lex_engines, not Lex_engines_ml
in xpath_wlexer.mll).

If that does not help, I need the output of
camlfind ocamlc -verbose -o test -linkpkg -I .. xpath.cma -package pxp,wlexing

(added the -verbose option), plus the exact version numbers of the packages
pxp, wlexing, and xpath to track the error.

Gerd Stolpmann      Telefon: +49 6151 997705 (privat)
Viktoriastr. 100             
64293 Darmstadt     EMail:   gerd@gerd-stolpmann.de