Re: libidn fails when builddir!=srcdir and wchar.h is unavailable

[Mike Frysinger]

On Tuesday 19 February 2008, Simon Josefsson wrote:
> Mike Frysinger <address@hidden> writes:
> > On Tuesday 19 February 2008, Simon Josefsson wrote:
> >> Mike Frysinger <address@hidden> writes:
> >> > ../../libidn-1.5/src/idn.c:449: undefined reference to
> >> > `_idna_to_unicode_8z4z' ../../libidn-1.5/src/idn.c:456: undefined
> >> > reference to `_idna_strerror'
> >>
> >> That is strange, all those symbols should be defined in libidn.  What
> >> does 'bfin-linux-uclibc-nm lib/.libs/libidn.so' show?
> >
> > ok, it's a bug in libtool, not libidn.  once i fixed that, it builds. 
> > should be fine to release.  thanks!
>
> Yeah, I tracked it down as well, and it seems the -export-symbols-regex
> parameter doesn't really work well under bfin because of a function name
> underscore mismatch.  Btw, how did you fix the libtool bug?

it's a known issue in libtool when working with toolchains that have symbol 
prefixes and -export-symbols-regex.  libtool takes the symbol list, removes 
the prefix, does the regex, but then forgets to add back in the prefix before 
generating the version script.

stick a `sed s:^:_:` in the pipeline after the regex matching and it works.
-mike

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