Re: PHP 5.4 extension building problem

Hello Carlo,

I hit issues with PHP 5.4 with an extension for the MapServer project; I
believe the errors/changes could be similar (not Windows specific
however), so you can see the changes in our case needed at
https://github.com/mapserver/mapserver/commit/0d68cd5c06fa97a9d403c11e66d3ab99a16bc78d

Hope that helps.

-jeff



-- 
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/



On 12-07-23 9:01 AM, Carlo Pastorino wrote:
> Hello everybody,
> 
> I have a project which uses a custom made php extension which adds some
> "native" functionalities and classes to the php framework on Windows.
> In order to build this extension I use a Visual Studio solution correctly
> configured (I guess) to add the correct php headers and preprocessor
> definitions.
> My problem is that my extension (and my Visual Studio project), which was
> working fine using php5.2 and php5.3, is giving me linking errors using
> php5.4.5.
> 
> In particular, I get the following error when building the extension:
> 
> unresolved external symbol "__declspec(dllimport) char const * (__cdecl*
> zend_new_interned_string)(char const *,int,int,void * * *)"
> (__imp_?zend_new_interned_string@@3P6APBDPBDHHPAPAPAX@ZA)
> 
> this symbol is used by the INIT_CLASS_ENTRY macro and should be defined in
> the zend_string.h header but, here I am totally guessing, I think some
> missing "#define" in my code is preventing my extension to be linked
> correctly.
> 
> However, enough with the talk, I prepared a simple Visual Studio 2010
> solution containing a very simple extension implementation which should let
> you see the problem.
> You can find it here:
> 
> http://neologica.it/test_ext.7z
> 
> Everything needed to build is contained with the archive. 
> The solutions contains 2 main configuration, *._5.3 and *.5.4 which
> respectively use php5.3 headers and lib, and php5.4(.5) headers and lib. By
> "lib" I mean the php5ts.lib found inside the php binary package under the
> "dev" folder.
> The first one builds and works fine producing the dll for the extension
> while the second one should display the error.
> 
> Can anyone help me with this issue? Or, at least, point me to someone (or
> somewhere) where I can find any help?
> 
> Thank you in advance,
> Regards
> Carlo Pastorino.
> 
> 
> 
> 


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