root@ip-10-251-138-175:/home/osm/OSM/mapnik# python scons/scons.py -c GDAL_INCLUDES=/usr/include/gdal GDAL_LIBS=/usr/lib/ogdi PGSQL_INCLUDES=/usr/include/postgresql XMLPARSER=libxml2 TIFF_LIBS=/usr/lib     
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... no
Could not find header or shared library for tiff, exiting!
root@ip-10-251-138-175:/home/osm/OSM/mapnik# ls -al /usr/lib | grep tiff-rw-r--r--  1 root root   237946 2008-01-04 13:36 libgeotiff.a
lrwxrwxrwx  1 root root       17 2008-12-09 10:48 libgeotiff.so.1 -> libgeotiff.so.1.2
lrwxrwxrwx  1 root root       19 2008-12-09 10:48 libgeotiff.so.1.2 -> libgeotiff.so.1.2.4
-rw-r--r--  1 root root   188800 2008-01-04 13:36 libgeotiff.so.1.2.4
-rw-r--r--  1 root root   544334 2008-08-29 20:59 libtiff.a
-rw-r--r--  1 root root      971 2008-08-29 20:59 libtiff.la
lrwxrwxrwx  1 root root       16 2008-12-09 10:45 libtiff.so -> libtiff.so.4.2.1
lrwxrwxrwx  1 root root       16 2008-12-09 10:45 libtiff.so.4 -> libtiff.so.4.2.1
-rw-r--r--  1 root root   364632 2008-08-29 20:59 libtiff.so.4.2.1
-rw-r--r--  1 root root     8530 2008-08-29 20:59 libtiffxx.a
-rw-r--r--  1 root root      997 2008-08-29 20:59 libtiffxx.la
lrwxrwxrwx  1 root root       18 2008-12-09 10:45 libtiffxx.so -> libtiffxx.so.0.0.6
lrwxrwxrwx  1 root root       18 2008-12-09 10:45 libtiffxx.so.0 -> libtiffxx.so.0.0.6
-rw-r--r--  1 root root     8720 2008-08-29 20:59 libtiffxx.so.0.0.6