I try to install this extension on Ubuntu 11.10. First of all error in instalation - gcc -g -O2 -fPIC -fPIC -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclar

I try to install this extension on Ubuntu 11.10. First of all error in instalation - gcc -g -O2 -fPIC -fPIC -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wformat-security -fno-strict-aliasing -fwrapv -g -lpythonpython2: -fpic -L/usr/lib -Wl,-Bsymbolic-functions -Wl,--as-needed -Wl,--as-needed -Wl,--as-needed -lpythonpython2: -shared -o src/multicorn.so src/multicorn.o /usr/bin/ld: cannot find -lpythonpython2: /usr/bin/ld: cannot find -lpythonpython2: collect2: ld returned 1 exit status make: * [src/multicorn.so] Error 1 rm src/multicorn.o ERROR: command returned 2 This is because Ubuntu have - python and python2.7 bin files. I fixed this by creating symlink on python. After instalation another problem: $ psql psql (9.1.1) Type "help" for help. leo=# CREATE EXTENSION multicorn; ERROR: could not load library "/usr/lib/postgresql/9.1/lib/multicorn.so": /usr/lib/postgresql/9.1/lib/multicorn.so: undefined symbol: _Py_NoneStruct All tested on specialy created for this system: $ python -V Python 2.7.2+ $ psql -V psql (PostgreSQL) 9.1.1 contains support for command-line editing On this my tests end.