The attached minimal example (untar, make) shows the following warning while linking: A.o: duplicate section `.data$_ZN6ObjectIdE3barE[__ZN6ObjectIdE3barE]' has different size A.o: duplicate section `.data$_ZGVN6ObjectIdE3barE[__ZGVN6ObjectIdE3barE]' has different size I cross compile using g++ 4.6.4 or 4.7.3 from linux x86_64 to i686-pc-mingw32. I observe that this happens only with -march=pentium4. Also when I remove #include <iostream> that I do not use, the warning disappears. I cannot figure out what this means and if it is important or not. I wonder if it is because I did something wrong while building the cross compiler... However, I observe the same warning while using the cygwin cross compiler i686-w64-mingw32 4.5.3 so I suspect it is not my cross compiler. Any help would be welcome. Regards, Frédéric
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