>>> this might work: >>> >>> CC="gcc -m32" LDSHARED="gcc -m32" FF="gfortran -m32" linux32 python >>> setup.py build
Compiler flags can't be added to CC, they should be in CFLAGS. (and ld flags go into LDFLAGS). Otherwise you are saying to use a program called "gcc -m32" (with a space in the name). On Fri, Dec 13, 2013 at 8:02 AM, David Jones <[email protected]> wrote: > > On 12/12/13 16:35, Julian Taylor wrote: >> On 12.12.2013 20:40, David Jones wrote: >>> On 12/12/13 15:54, Julian Taylor wrote: >>>> On 12.12.2013 19:58, David Jones wrote: >>>>> I'm trying to compile 32-bit numpy on a 64 bit Centos 6 system, but fails >>>>> with the message: >>>>> >>>>> "Broken toolchain: cannot link a simple C program" >>>>> >> ... >>>> this might work: >>>> >>>> CC="gcc -m32" LDSHARED="gcc -m32" FF="gfortran -m32" linux32 python >>>> setup.py build >>>> >>> That didn't work. It says it can't find executable "gcc -m32". I tried >>> changing ccompiler.py, per the stackoverflow post. I got further that >>> time, but it fails with the message: >>> > So this is what ended of working: > > CC=gcc-32 LDSHARED=ld-32 LDFLAGS="-m32 -shared -L$LD_LIBRARY_PATH" > python2.7 setup.py build > > Somehow the value of LD_LIBRARY_PATH gets lost along the way. Perhaps > distutils re-exports it with a different value, prior to calling the linker. > > I was getting a gfortran error at one point, but I guess it inherits > -m32 from gcc-m32, so it doesn't have to be set explicitly. > > I still want to look into the code, to see what's going on in there. I > may just write a custom config module, that allows me to pass in the > build flags more cleanly. >> >> weird it works for me with libpython2.7-dev:i386 installed on amd64 >> Ubuntu 13.10 (multiarch is friggin great :D) >> But I had to add an additional LDFLAGS="-m32 -shared" >> >> CC="gcc -m32" LDSHARED="gcc -m32 -shared" LDFLAGS="-m32 -shared" linux32 >> python setup.py build >> >> you should be able to work around this error message by writing small >> wrapper scripts for the compiler: >> >> cat << EOF > gcc-32 >> #!/bin/sh >> gcc -m32 "$@" >> EOF >> ... >> CC=gcc-32 .... >> >> _______________________________________________ >> NumPy-Discussion mailing list >> [email protected] >> http://mail.scipy.org/mailman/listinfo/numpy-discussion > > _______________________________________________ > NumPy-Discussion mailing list > [email protected] > http://mail.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
