New submission from Wong Wah Meng <wahm...@freescale.com>:

Server Info: HP-UX B.11.31 Itanium ia64.
Evaluation copy is used however the license is being purchased, hopefully this 
are not these errors are not caused by evaluation copy.
 
# swlist -l product | grep Compiler
  ACXX                  C.06.26.EVAL   HP C/aC++ Compiler 
  C-ANSI-C              C.06.26.EVAL   HP C/aC++ Compiler 
  COMPLIBS              B.11.31        Compiler Support Libraries 


I encountered more failures in module build with my HP-UX ANSI C Compiler 
versus gcc. I wonder why. I need a Oracle plug-in later, i.e. cx_Oracle and the 
reason I do not want to ignore these errors now because I thought cx_Oracle 
will have to (or, better) be built using HP compiler, not gcc for support from 
Oracle. 

I read through the README file, I followed the instruction to set the required 
environment variables before the configure is run, and unset them before make 
is run, also edited Makefile to remove Optimization and the -Olimit 1500. 
However, it gives me a lot more modules that are failed to be built versus 2 
when gcc is used. At the bottom of the mail we can see what failed to be built. 

I have summarized my inquiry as follow:-
1.) Despite following the instruction to edit the Makefile before make is run, 
I am surprise to see that the Makefile content is changed again when the 
executable is generated. The changed I edited is restored. Is this expected and 
did the compiler make use of the content that I edited when it did the build 
and link? 

$ diff Makefile Makefile_Original
61,62c61,62
< OPT=          -DNDEBUG -O
< BASECFLAGS=   +DD64 -Olimit 1500
---
> OPT=          -DNDEBUG
> BASECFLAGS=   +DD64
 
2.) A lot of failed module and I suspected it is due +DD64 nopt recognized by 
the compiler. Why the HP-UX compiler did not recognize the option? 

ld -b +DD64 -lxnet 
build/temp.hp-ux-B.11.31-ia64-2.7/home/r32813/Build/2.7.1/Python-2.7.1/Modules/mathmodule.o
 
build/temp.hp-ux-B.11.31-ia64-2.7/home/r32813/Build/2.7.1/Python-2.7.1/Modules/_math.o
 -L/usr/local/lib -lm -o build/lib.hp-ux-B.11.31-ia64-2.7/math.so
ld: Unrecognized argument: +DD64
Fatal error.

3.) This is a general question, in the README file there isn't specific 
instruction on how to enable gcc for 64-bit build. Does gcc support 64-bit 
build and how to?

4.) These are warning message. I have seen a lot of them. Am I right I can 
ignore them? I don't see them when I use gcc though. 

        cc -Ae -c +DD64 -g -DNDEBUG  -I. -IInclude -I./Include   
-DPy_BUILD_CORE -o Modules/python.o ./Modules/python.c
"Include/pyfpe.h", line 8: warning #3750-D: "\" followed by white space is not 
a line splice

Thanks in advance for your input. Here is the output of my make using HP C 
compiler. 
 
Python build finished, but the necessary bits to build these modules were not 
found:
_bsddb             _curses            _curses_panel   
_sqlite3           _ssl               _tkinter        
bsddb185           bz2                dl              
gdbm               imageop            linuxaudiodev   
ossaudiodev        readline           spwd            
sunaudiodev        zlib                               
To find the necessary bits, look in setup.py in detect_modules() for the 
module's name.


Failed to build these modules:
_bisect            _codecs_cn         _codecs_hk      
_codecs_iso2022    _codecs_jp         _codecs_kr      
_codecs_tw         _collections       _csv            
_ctypes            _ctypes_test       _elementtree    
_functools         _heapq             _hotshot        
_io                _json              _locale         
_lsprof            _md5               _multibytecodec 
_multiprocessing   _random            _sha            
_socket            _struct            _testcapi       
array              audioop            binascii        
cmath              cPickle            crypt           
cStringIO          datetime           dbm             
fcntl              future_builtins    grp             
itertools          math               mmap            
nis                operator           parser          
pyexpat            resource           select          
strop              syslog             termios         
time               unicodedata                        

running build_scripts

----------
components: Build
messages: 144123
nosy: wah meng
priority: normal
severity: normal
status: open
title: Python 64-bit build on HP Itanium - Executable built successfully but 
modules failed with HP Compiler
type: compile error
versions: Python 2.7

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