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Re: default gcc on UltraSparc



On Mon, Dec 01, 2003 at 10:03:01AM -0500, Ben Collins wrote:
> On Mon, Dec 01, 2003 at 11:47:48AM +0100, Wolfram Quester wrote:
> > Hi alltogether!
> > 
> > gcc produces 64Bit executables by default on UltraSparc.
> > I consider this a broken behaviour since many debian-packages don't
> > build any longer:
> > wolfi@uranos:~/src/sodipodi/sodipodi-0.32.uus.20031012$ fakeroot dpkg-buildpackage -us -uc
> > <snip>
> > checking build system type... sparc64-unknown-linux-gnu
> > checking host system type... sparc64-unknown-linux-gnu
> > checking for style of include used by make... GNU
> > checking for gcc... gcc
> > checking for C compiler default output file name... a.out
> > checking whether the C compiler works... configure: error: cannot run C compiled programs.
> > If you meant to cross compile, use `--host'.
> > See `config.log' for more details.
> > 
> > IMHO, gcc should default to -m32. If it really should default to -m64
> > then this should only be done if all libs are 64Bit-compliant.
> 
> I'd be interested in the error in config.log

Here it is:
configure:2514: $? = 0
configure:2516: gcc -v </dev/null >&5
Reading specs from /usr/lib/gcc-lib/sparc-linux/3.3.2/specs
Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-gxx-include-dir=/usr/inc
lude/c++/3.3 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --enable-debug --enable-java-gc=boehm --enable-java-awt=xlib
 --with-cpu=v7 --enable-objc-gc sparc-linux
Thread model: posix
gcc version 3.3.2 (Debian)
configure:2519: $? = 0
configure:2521: gcc -V </dev/null >&5
gcc: couldn't run `sparc-linux-gcc--m64': No such file or directory
configure:2524: $? = 1
configure:2547: checking for C compiler default output file name
configure:2550: gcc -O2   conftest.c  >&5
configure:2553: $? = 0
configure:2599: result: a.out
configure:2604: checking whether the C compiler works
configure:2610: ./a.out
./a.out: error while loading shared libraries: /lib64/libc.so.6: unexpected reloc type 0x08
configure:2613: $? = 127
configure:2622: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.
See `config.log' for more details.

> 
> Anyhow, you can override this easily by prepeding your build commands
> with the sparc32 command. E.g.
> 
> # sparc32 ./configure
> # sparc32 make
> 
> I've also added a "permanent" override that will be coming in the next,
> for those that wish to do a system-wide override. You can just touch
> /etc/disable_64_gcc, and all the defaults will be -m32.
This is good to know. Thanks for your fast reply. This is what I need to 
build debian-compliant packes, right?

Best regards,

Wolfi

> 
> 
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> 
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