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Re: [MiNT] gcc 4.7.2 and -mshort
Oh, I see it's enabled later, so it should work fine.
On 06/03/16 13:10, Alan Hourihane wrote:
> You need to compile GCC with --enable-multilib
>
> Alan.
>
> On 05/03/16 13:02, Helmut Karlowski wrote:
>> I have a problem with the above: gcc does not link 16bit-libs when it has
>> been given the -mshort-option:
>>
>>
>> #/usr/bin/gcc -v -mshort -m68040 t.o -lgem &>gcc.out
>> #cat gcc.out
>> Using built-in specs.
>> COLLECT_GCC=/usr/bin/gcc
>> COLLECT_LTO_WRAPPER=/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../libexec/gcc/m68k-atari-mint/4.7.2/lto-wrapper
>>
>> Target: m68k-atari-mint
>> Configured with:
>> /j/var/tmp/portage/sys-devel/gcc-4.7.2-r1/work/gcc-4.7.2/configure
>> --prefix=/usr --bindir=/usr/m68k-atari-mint/gcc-bin/4.7.2
>> --includedir=/usr/lib/gcc/m68k-atari-mint/4.7.2/include
>> --datadir=/usr/share/gcc-data/m68k-atari-mint/4.7.2
>> --mandir=/usr/share/gcc-data/m68k-atari-mint/4.7.2/man
>> --infodir=/usr/share/gcc-data/m68k-atari-mint/4.7.2/info
>> --with-gxx-include-dir=/usr/lib/gcc/m68k-atari-mint/4.7.2/include/g++-v4
>> --host=m68k-atari-mint --build=m68k-atari-mint --disable-altivec
>> --disable-fixed-point --without-cloog --without-ppl --disable-lto
>> --disable-nls --with-system-zlib --enable-obsolete --disable-werror
>> --enable-secureplt --disable-multilib --enable-libmudflap
>> --disable-libssp --disable-libgomp
>> --with-python-dir=/share/gcc-data/m68k-atari-mint/4.7.2/python
>> --enable-checking=release --disable-libgcj --enable-libstdcxx-time
>> --enable-languages=c,c++,fortran --disable-shared
>> --enable-threads=posix --with-local-prefix=/usr
>> --with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo
>> 4.7.2-r1 p1.5, pie-0.5.5' --enable-multilib
>> Thread model: posix
>> gcc version 4.7.2 (Gentoo 4.7.2-r1 p1.5, pie-0.5.5)
>> COMPILER_PATH=/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../libexec/gcc/m68k-atari-mint/4.7.2/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../libexec/gcc/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/../../../../m68k-atari-mint/bin/
>>
>> LIBRARY_PATH=/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/m68020-60/mshort/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/../../../m68020-60/mshort/:/lib/m68020-60/mshort/:/usr/lib/m68020-60/mshort/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/:/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/../../../:/lib/:/usr/lib/
>>
>> COLLECT_GCC_OPTIONS='-v' '-mshort' '-mcpu=68040'
>> /f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../libexec/gcc/m68k-atari-mint/4.7.2/collect2
>> /f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/../../../crt0.o
>> -L/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2
>> -L/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc
>> -L/f/usr/m68k-atari-mint/gcc-bin/4.7.2/../../../lib/gcc/m68k-atari-mint/4.7.2/../../..
>> t.o -lgem -lgcc -lc -lgcc
>> /bin/ld: cannot find -lgem
>> collect2: error: ld returned 1 exit status
>> #ls -l /usr/lib/**/libgem*
>> -rw-r--r-- 1 1004 513 169826 Feb 5 2012 /usr/lib/libgem
>> -rw-r--r-- 1 1004 513 157524 Oct 29 2011
>> /usr/lib/m68020-60/libgem
>> -rw-r--r-- 1 1001 513 156568 Oct 29 2011
>> /usr/lib/m68020-60/mshort/libgem.a
>> -rwxrwxrwx 1 1001 513 168356 Feb 5 2012
>> /usr/lib/mshort/libgem.a*
>>
>> I renamed the non-mshort libgem.a to keep gcc from using that.
>> In LIBRARY_PATH it has mshort, but it does not use it.
>>
>> With a gcc-wrapper-script that explicitly sets -L/usr/lib/.../mshort
>> it works.
>>
>> Is it something in my configuration? Is it a bug?
>>
>> -Helmut
>>
>>
>
>