[RFC] win-iconv
Corinna Vinschen
corinna-cygwin@cygwin.com
Thu Nov 22 15:37:00 GMT 2012
On Nov 21 20:06, Yaakov (Cygwin/X) wrote:
> Fedora's MinGW toolchain has used win-iconv[1] instead of GNU libiconv
> since F16. win-iconv uses the Win32 APIs to do the heavy lifting,
> making it almost 50 times smaller than GNU libiconv. It handles most of
> the same codesets as libiconv and even some the latter does not
> (including the glibc aliases UTF8/UTF16 for UTF-8/UTF-16 etc.). I have
> attached a normalized diff between `iconv -l` from libiconv and current
> win-iconv. OTOH, it doesn't provide all of the API extensions of GNU
> libiconv, but neither does glibc.
The downside is that it doesn't support some of the codesets supported
by Cygwin, for instance big5, euccn, eucjp, euckr, georgian-ps, tis-620.
> We could even go one step further and incorporate win-iconv (which is
> Public Domain) directly into Cygwin itself, which would provide greater
> compatibility with glibc and save patches to several packages which
> don't use portable ways (e.g. AM_ICONV) for searching for iconv(3), or
> use $(LIBICONV) when they should use $(LTLIBICONV), etc. This would add
> about 18KB to cygwin1.dll but save almost 1MB of memory and ImageBase
> space for hundreds of packages.
Sounds like a worthy goal to me. But it really should at least support
the codesets also supported by Cygwin.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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