Python make fails with error "Fatal Python error: Interpreter not initialized (version mismatch?)"

Anurag Chourasia anurag.chourasia at
Sat Nov 27 19:45:44 CET 2010

Hi All,

During the make step of python, I am encountering a weird error. This is on
AIX 5.3 using gcc as the compiler.

My configuration options are as follows

./configure --enable-shared --disable-ipv6 --with-gcc=gcc CPPFLAGS="-I
/opt/freeware/include -I /opt/freeware/include/readline -I
/opt/freeware/include/ncurses" LDFLAGS="-L. -L/usr/local/lib"

Below is the transcript from the make step.
running build
running build_ext
ldd: /lib/libreadline.a: File is an archive.
INFO: Can't locate Tcl/Tk libs and/or headers
building '_struct' extension
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall
-Wstrict-prototypes -I. -I/u01/home/apli/wm/GDD/Python-2.6.6/./Include -I.
-IInclude -I./Include -I/opt/freeware/include
-I/opt/freeware/include/readline -I/opt/freeware/include/ncurses
-I/usr/local/include -I/u01/home/apli/wm/GDD/Python-2.6.6/Include
-I/u01/home/apli/wm/GDD/Python-2.6.6 -c
/u01/home/apli/wm/GDD/Python-2.6.6/Modules/_struct.c -o
./Modules/ld_so_aix gcc -pthread -bI:Modules/python.exp -L. -L/usr/local/lib
-L. -L/usr/local/lib -lpython2.6 -o build/lib.aix-5.3-2.6/
*Fatal Python error: Interpreter not initialized (version mismatch?)*
*make: 1254-059 The signal code from the last command is 6.*

The last command that i see above (ld_so_aix) seems to have completed as the
file exists after this command and hence I am not sure which step
is failing.

There is no other Python version on my machine.

Please guide.
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