[postgis-devel] Patch for iconv support under Win32

[Mark Cave-Ayland]

Hi everyone,

Please find enclosed a patch for review that allows MingW (Win32) builds to
correctly detect and use iconv to build shp2pgsql. The main issue is that
the entry point for iconv on Win32 is libiconv_open() as opposed to just
iconv_open(), so an extra test was added to autoconf to detect this. The
iconv.h header provides aliases from libiconv_open() to iconv_open() which
is why shp2pgsql will compile. The only other addition is that MingW does
not include the bzero() function included within shp2pgsql, and so a #define
has been added to replace this with a memset() call under MingW.


Kind regards,

Mark.

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