Errors when building gstreamer for windows

[LRN]

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On 07.08.2012 12:49, mingqian Han wrote:
> (gdb) run --noout --add delegateSystem "http://docbook.org/xml/"
> "./docbook-xml.xml" /mingw/etc/xml/catalog Starting program:
> d:\msys\bin\xmlcatalog.exe --noout --add delegateSystem
> "http://docbook.org/xml/" "./docbook-xml.xml"
> /mingw/etc/xml/catalog [New Thread 8132.0xc04] [New Thread
> 8132.0x1ffc] [New Thread 8132.0x838] [New Thread 8132.0xe04]
> 
> Program received signal SIGSEGV, Segmentation fault. 0x60885fe1 in
> strncmp () from d:\msys\bin\msys-1.0.dll (gdb) bt #0  0x60885fe1 in
> strncmp () from d:\msys\bin\msys-1.0.dll #1  0x70e306f3 in
> msys-xml2-2!__xmlParserInputBufferCreateFilename () from
> d:\msys\bin\msys-xml2-2.dll
Yeah, if you look at __xmlParserInputBufferCreateFilename code, you'll
see that strncmp is only called when it's compiled with zlib support.

Here, i've built 2.8.0 with [1] and without [2] zlib. Could you try it
out?

Note that you'd need to issue:
dir $cdir;$cwd;c:/foo/bar/libxml2-2.8.0
command in gdb (where c:/foo/bar/libxml2-2.8.0 is the directory where
xmlcatalog.c is on your machine). Otherwise gdb won't find the source
file.

What i'd like to know:
1) Does 2.8.0 work?
2) If not, does the version without zlib work?
3) If yes, would you please try to debug the crash in strncmp?
AFAIR, the problem is that cptr turns out to be NULL.
We might have to go to libxml devs with this.

[1] http://lrn.no-ip.info/other/mingw/msys/libxml2/2.8.0-1/
[2] http://lrn.no-ip.info/other/mingw/msys/libxml2/2.8.0-1+without-zlib/
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