[XML-SIG] problems building pyXML for cygwin

[Fredrik Lundh]

hi tim,


> I tried installing pyXML under cygwin.  Any ideas why it didn't? I haven't
> looked into it in any detail.  Python is:
> Python 2.1 (#1, Apr 17 2001, 09:45:01)   [GCC 2.95.3-2 (cygwin special)] on
> cygwin_nt-4.01

> gcc -shared -Wl,--enable-auto-image-base
> build/temp.cygwin_nt-5.0-1.3.2-i686-2.1/sgmlop.o -L/usr/lib
> /python2.1/config -lpython2.1 -o
> build/lib.cygwin_nt-5.0-1.3.2-i686-2.1/_xmlplus/parsers/sgmlop.dll
> Cannot export _bss_end__: symbol not defined
> Cannot export _bss_start__: symbol not defined
> Cannot export _data_end__: symbol not defined
> Cannot export _data_start__: symbol not defined
> collect2: ld returned 1 exit status
> error: command 'gcc' failed with exit status 1

if I understand things correctly, cygwin's gcc gives you this error
if a dynamic library doesn't export any symbols at all.

somewhere in the middle of the sgmlop.c source file, try replacing

    void
    #ifdef WIN32
    __declspec(dllexport)
    #endif
    initsgmlop()

with

    DL_EXPORT(void)
    initsgmlop(void)

hope this helps!

regards /F