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Hello all,
I compiled the latest Python on AIX, works good. But I am having issues
compiling Python with large file support (I need to do some simple text
processing on a 3GB file). I tried forcing the configure script to add
it but then it bombs in the make process. Any help will be appreciated.

Information:
Architecture:
PowerPc on AIX version 5.1

Compiler:
VisualAge C++ Professional / C for AIX Compiler, Version 6

Python version:
Python 2.4.1

Error Message:
cc_r -c -DNDEBUG -g -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-I
.. -I./Include -DPy_BUILD_CORE -o Objects/fileobject.o
Objects/fileobject.c
"Objects/fileobject.c", line 382.2: 1506-205 (S) #error "Large file
support, but neither off_t nor fpos_t is large enough."
"Objects/fileobject.c", line 389.27: 1506-046 (S) Syntax error.
"Objects/fileobject.c", line 423.2: 1506-205 (S) #error "Large file
support, but no way to fseek."
"Objects/fileobject.c", line 431.8: 1506-166 (S) Definition of function
Py_off_t requires parentheses.
"Objects/fileobject.c", line 432.1: 1506-276 (S) Syntax error: possible
missing
'{'?"Objects/fileobject.c", line 446.2: 1506-205 (S) #error "Large file
support, but no way to ftell."
"Objects/fileobject.c", line 456.18: 1506-275 (S) Unexpected text
offset encountered.
"Objects/fileobject.c", line 456.9: 1506-045 (S) Undeclared identifier
Py_off_t.
"Objects/fileobject.c", line 468.9: 1506-045 (S) Undeclared identifier
offset.
"Objects/fileobject.c", line 476.48: 1506-099 (S) Unexpected argument.
"Objects/fileobject.c", line 494.18: 1506-275 (S) Unexpected text
newsize encountered.
"Objects/fileobject.c", line 494.9: 1506-045 (S) Undeclared identifier
Py_off_t.
"Objects/fileobject.c", line 496.18: 1506-275 (S) Unexpected text
initialpos encountered.
"Objects/fileobject.c", line 513.9: 1506-045 (S) Undeclared identifier
initialpos.
"Objects/fileobject.c", line 525.17: 1506-045 (S) Undeclared identifier
newsize.
"Objects/fileobject.c", line 586.52: 1506-099 (S) Unexpected argument.
"Objects/fileobject.c", line 604.18: 1506-275 (S) Unexpected text pos
encountered.
"Objects/fileobject.c", line 604.9: 1506-045 (S) Undeclared identifier
Py_off_t.
"Objects/fileobject.c", line 610.9: 1506-045 (S) Undeclared identifier
pos.
make: 1254-004 The error code from the last command is 1.

Stop.

More info:

checking MACHDEP... aix5
checking EXTRAPLATDIR...
checking for --without-gcc...
checking for --with-cxx=<compiler>... no
checking for c++... no
checking for g++... no
checking for gcc... no
checking for CC... no
checking for cxx... no
checking for cc++... no
checking for cl... no
checking for gcc... cc_r
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... no
checking whether cc_r accepts -g... yes
checking for cc_r option to accept ANSI C... none needed
checking how to run the C preprocessor... cc_r -E
checking for egrep... grep -E
checking for AIX... yes
checking for --with-suffix...
checking for case-insensitive build directory... no
checking LIBRARY... libpython$(VERSION).a
checking LINKCC... $(srcdir)/Modules/makexp_aix Modules/python.exp .
$(LIBRARY);
$(PURIFY) $(CC)
checking for --enable-shared... no
checking for --enable-profiling...
checking LDLIBRARY... libpython$(VERSION).a
checking for ranlib... ranlib
checking for ar... ar
checking for a BSD-compatible install... ./install-sh -c
checking for --with-pydebug... no
checking whether cc_r accepts -OPT:Olimit=0... no
checking whether cc_r accepts -Olimit 1500... no
checking whether pthreads are available without options... yes
checking for ANSI C header files... yes

pruebauno@latinmail.com wrote:
> Hello all,
> I compiled the latest Python on AIX, works good. But I am having issues
> compiling Python with large file support (I need to do some simple text
> processing on a 3GB file). I tried forcing the configure script to add
> it but then it bombs in the make process. Any help will be appreciated.

I build Python ok on AIX 5.2 with this following GNU configure string:

CFLAGS="-O2 -D_LARGE_FILES" OPT=$CFLAGS LDFLAGS=-s ./configure
--prefix=/usr/local --disable-ipv6

I then also define HAVE_BROKEN_POSIX_SEMAPHORES in pyconfig.h.

Of course, if you want to do a "make test" after you build, you'll need
to run the make on a large file enabled file system or it'll fail.


Good luck,
Ross

pruebauno@latinmail.com wrote:
> Error Message:
> cc_r -c -DNDEBUG -g -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
> -I
> . -I./Include -DPy_BUILD_CORE -o Objects/fileobject.o
> Objects/fileobject.c
> "Objects/fileobject.c", line 382.2: 1506-205 (S) #error "Large file
> support, but neither off_t nor fpos_t is large enough."

I don't think -D_FILE_OFFSET_BITS does anything for AIX. I think you
need -D_LARGE_FILES=1. Also, I doubt you want -D_LARGEFILE64_SOURCE as
well.

--
albert chin (china @at@ thewrittenword .dot. com)

Ross wrote:
>
> I build Python ok on AIX 5.2 with this following GNU configure string:
>
> CFLAGS="-O2 -D_LARGE_FILES" OPT=$CFLAGS LDFLAGS=-s ./configure
> --prefix=/usr/local --disable-ipv6
>
> I then also define HAVE_BROKEN_POSIX_SEMAPHORES in pyconfig.h.
>
> Good luck,
> Ross

Works beautifull, thanks. I am not very good with compiler flags.