[GRASS-dev] Wrong sqlite3.dll used on MS Windows

[Benjamin Ducke]

All I know is that "system32" is the default
"go-to" path for many 32-bit programs. It seems to
me that many applications are hard-linked to that
directory. If you have any such candidate in your
toolchain, then "system32", and thus "SysWoW64",
are "sucked" into your PATH, whether you like it
or not. Welcome to DLL hell.

Best,

Ben

On 06/10/14 21:16, Vaclav Petras wrote:
> Hi,
> 
> here is some minor issue on MS Windows, did somebody experienced
> something like the following?
> 
> GRASS was not starting for one student on MS Windows. The reported error
> was that it cannot find some symbol/procedure in sqlite3.dll. The
> problem was possible to workaround by finding another sqlite3.dll on
> disk and renaming it to something arbitrary.
> 
> The strange think is that GRASS directory extrabin should be, and indeed
> is, at the beginning of PATH variable, so it should look first there.
> However, because of the error and fix it seems that it is looking
> elsewhere first.
> 
> What was also strange is that the other DLL was in SysWoW64 directory
> and I don't see this directory on PATH (in or outside GRASS session) but
> if I understand correctly, there is some magic which makes system32
> directory (which contains 64bit libs on 64bit system) to link to
> SysWoW64 (where are 32bit DLLs) for 32bit applications. Wow!
> 
> Still, there is no reason why it should pick the system directory,
> unless it is using some other magic.
> 
> Any ideas?
> 
> Vaclav
> 
> 
> 
> Related:
> 
> The procedure entry point sqlite3_rtree_geometry_callback couldn't be
> located
> http://trac.osgeo.org/grass/ticket/2197#comment:1
> 
> WoW64
> http://en.wikipedia.org/wiki/WoW64
> 
> How to fix "The entry point for the procedure sqlite3_open_v2 cannot be
> found in the dynamic link library sqlite3.dll"
> http://gis.stackexchange.com/questions/30432/how-to-fix-the-entry-point-for-the-procedure-sqlite3-open-v2-cannot-be-found-in
> 
> 
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> 



-- 
Dr. Benjamin Ducke
{*} Geospatial Consultant
{*} GIS Developer

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