RGeo building with Geos & Proj, yet no Geos support?

gistfile1.txt

[lign@ps34163 ~]$ ruby --version
ruby 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux]
[lign@ps34163 ~]$ gem install rgeo --verbose --version=0.3.11 -- --with-geos-dir=/home/lign/usr/local --with-proj-dir=/
home/lign/usr/local   
GET http://rubygems.org/specs.4.8.gz
302 Moved Temporarily
GET http://production.s3.rubygems.org/specs.4.8.gz
200 OK
Installing gem rgeo-0.3.11
/home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/cartesian/analysis.rb
/home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/cartesian/bounding_box.rb
/home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/cartesian/calculations.rb
/home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/cartesian/factory.rb
[snip]
/home/lign/.gems/gems/rgeo-0.3.11/test/wkrep/tc_wkt_parser.rb
/home/lign/.gems/gems/rgeo-0.3.11/History.rdoc
/home/lign/.gems/gems/rgeo-0.3.11/README.rdoc
/home/lign/.gems/gems/rgeo-0.3.11/Spatial_Programming_With_RGeo.rdoc
/home/lign/.gems/gems/rgeo-0.3.11/Version
Building native extensions.  This could take a while...
/usr/bin/ruby1.8 extconf.rb --with-geos-dir=/home/lign/usr/local --with-proj-dir=/home/lign/usr/local
checking for geos_c.h... yes
checking for initGEOS_r() in geos_c.h... yes
checking for GEOSPreparedContains_r() in geos_c.h... yes
checking for GEOSPreparedDisjoint_r() in geos_c.h... yes
checking for GEOSWKTWriter_setOutputDimension_r() in geos_c.h... yes
creating Makefile

make
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c main.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c geometry.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c geometry_collection.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c line_string.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c factory.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c polygon.c
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_GEOS_C_H -DHAVE_INITGEOS_R -DHAVE_GEOSPREPAREDCONTAINS_R -DHAVE_GEOSPREPAREDDISJOINT_R -DHAVE_GEOSWKTWRITER_SETOUTPUTDIMENSION_R -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c point.c
cc -shared -o geos_c_impl.so main.o geometry.o geometry_collection.o line_string.o factory.o polygon.o point.o -L. -L/usr/lib -L/home/lign/usr/local/lib -L.  -rdynamic -Wl,-export-dynamic    -lruby1.8  -lgeos -lgeos_c -lpthread -ldl -lcrypt -lm   -lc

make install
/usr/bin/install -c -m 0755 geos_c_impl.so /home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/geos
/usr/bin/ruby1.8 extconf.rb --with-geos-dir=/home/lign/usr/local --with-proj-dir=/home/lign/usr/local
checking for proj_api.h... yes
checking for pj_init_plus() in proj_api.h... yes
creating Makefile

make
cc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -DHAVE_PROJ_API_H -DHAVE_PJ_INIT_PLUS -I/home/lign/usr/local/include    -fPIC -fno-strict-aliasing -g -g -O2  -fPIC   -c main.c
cc -shared -o proj4_c_impl.so main.o -L. -L/usr/lib -L/home/lign/usr/local/lib -L.  -rdynamic -Wl,-export-dynamic    -lruby1.8  -lproj -lpthread -ldl -lcrypt -lm   -lc

make install
/usr/bin/install -c -m 0755 proj4_c_impl.so /home/lign/.gems/gems/rgeo-0.3.11/lib/rgeo/coord_sys
Successfully installed rgeo-0.3.11
1 gem installed
Installing ri documentation for rgeo-0.3.11...
Installing RDoc documentation for rgeo-0.3.11...


[lign@ps34163 ~]$ irb
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'rgeo'
=> true
irb(main):003:0> RGeo::VERSION
=> "0.3.11"
irb(main):005:0> RGeo::Geos.supported?
=> false
irb(main):006:0>