On 10/26/06, Charles R Harris <[EMAIL PROTECTED]> wrote:
Make that -fno-strict-aliasing. The whole command line on x86 looks like:
gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fPIC
Chuck
On 10/26/06, Mathew Yeates < [EMAIL PROTECTED]> wrote:yes, I got around the problem from my previous posting "distutils
question". I added ld_args[:0] = ['-m64'] to line 209 of
python2.5/distutils/unixcompiler.py. Lovely, yes I know.
I now get an error "numpy/core/src/multiarraymodule.c:7230: error:
`NPY_ALLOW_THREADS' undeclared". This is after several billion warning
messages of the form
numpy/core/src/multiarraymodule.c:5010: warning: dereferencing
type-punned pointer will break strict-aliasing rules
GCC? Needs the -no-strict-aliasing flag. Everybody hates the default except the compiler writers because you can't cast pointers between different sized types, something the linux kernel and numpy do a lot. Things can fail badly if you don't set the flag and ignore the warnings.
Make that -fno-strict-aliasing. The whole command line on x86 looks like:
gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fPIC
Chuck
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