[OSM-dev] Need help with Mapnik error message: UserWarning: Could not create datasource. No plugin found for type 'postgis' in layer 'leisure'

[Ralf Zimmermann]

Jon Burgess wrote:
> Check for the file: /usr/local/lib/mapnik/input/postgis.input
> It is probably missing because the Mapnik compilation was unable to find
> the relevant PostgreSQL libraries and headers files.
> 
> If you look at the initial scons output when you compiled Mapnik:
> 
> [jburgess at shark mapnik]$ scons
> scons: Reading SConscript files ...
> Building on Linux ...
> pkg-config --exists cairomm-1.0
> Checking for C library m... yes
> Checking for C library ltdl... yes
> Checking for C library png... yes
> Checking for C library tiff... yes
> Checking for C library z... yes
> Checking for C library jpeg... yes
> Checking for C library proj... yes
> Checking for C library pq... yes
> ...
> 
> You need the "pq" line above to say 'yes'.


This looks like my problem. I ran scons/scons.py again and below is the output 
where there actually are a few "no" listed. However, I don't really know what to 
do from here.

The OS is Debian 4.0r5, with PostgreSQL 8.1 and mapnik-0.5.1.

RalfZ


-------------------------------------
scons: Reading SConscript files ...
Building on Linux ...
Checking for C library m... (cached) yes
Checking for C library ltdl... (cached) yes
Checking for C library png... (cached) yes
Checking for C library tiff... (cached) yes
Checking for C library z... (cached) yes
Checking for C library jpeg... (cached) yes
Checking for C library proj... (cached) yes
Checking for C library iconv... (cached) no
Checking for C library pq... (cached) no
Checking for C++ library gdal... (cached) no
Checking for C++ library boost_filesystem-mt... (cached) yes
Checking for C++ library boost_regex-mt... (cached) yes
Checking for C++ library boost_iostreams-mt... (cached) yes
Checking for C++ library boost_program_options-mt... (cached) yes
Checking for C++ library boost_thread-mt... (cached) yes
Bindings Python version... 2.4
Python 2.4 prefix... /usr
scons: done reading SConscript files.
scons: Building targets ...
scons: `.' is up to date.
scons: done building targets.