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Courier-0.47, linker error: perlfilter.c: undefined reference to `_boot_'

Hi there,

getting this error when building courier with perl-5.8.6 on Cygwin which works before upgrading to perl-5.8.6 (was perl-5.8.5 without Win32CORE
static extension):

make[6]: Entering directory `/k/ftproot/pub/courier/courier-0.47/.build/courier/filters/perlfilter'
Compiling /k/ftproot/pub/courier/courier-0.47/courier/filters/perlfilter/perlfilter.c
ccache gcc -I/k/ftproot/pub/courier/courier-0.47/courier/filters/perlfilter/.. -I.. -I/k/ftproot/pub/courier/courier-0.47/courier/filters/perlfilter/../.. -I../.. -I/k/ftproot/pub/courier/courier-0.47/courier/filters/perlfilter/../../.. -I ../../.. -g0 -O3 -DPERL_USE_SAFE_PUTENV -fno-strict-aliasing -pipe -I/usr/local/include -I/usr/lib/perl5/5.8/cygwin/CORE -Wl,-s -o perlfilter.exe perlfilter.o ../libfilter/libfilter.a ../../../waitlib/libwaitlib.a ../../libs/libcommon.a ../../libs/libcourier.a -s -s -L/usr/local/lib /usr/lib/perl5/5.8/cygwin/auto/DynaLoader/DynaLoader.a /usr/lib/perl5/5.8/cygwin/auto/Win32CORE/Win32CORE.a -L/usr/lib/perl5/5.8/cygwin/CORE -lperl -lcrypt -lgdbm_compat
perlfilter.o(.text+0x36):perlfilter.c: undefined reference to `_boot_'

It seems that the xsinit.c file was generated wrong:

========= xsinit.c =========
#include <EXTERN.h>
#include <perl.h>

EXTERN_C void xs_init (pTHX);

EXTERN_C void boot_DynaLoader (pTHX_ CV* cv);
EXTERN_C void boot_ (pTHX_ CV* cv);
EXTERN_C void boot_Win32CORE (pTHX_ CV* cv);

	char *file = __FILE__;

	/* DynaLoader is a special case */
	newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
	newXS("::bootstrap", boot_, file);
	newXS("Win32CORE::bootstrap", boot_Win32CORE, file);
========= xsinit.c =========

xsinit.c: config.status
	@PERL@ -MExtUtils::Embed -e xsinit -- -o xsinit.c -std

This is expanded in the Makefile to:
xsinit.c: config.status
	/usr/bin/perl -MExtUtils::Embed -e xsinit -- -o xsinit.c -std

Maybe it is related to the inclusion of Win32CORE, however it is dubious that there is bootstrap code for an anonym module anyway.

Is there wrong in my Cygwin perl build, where should I look at
first to find the reason for this problem, any hint appreciated.

Gerrit -- =^..^=

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