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Building cross compiler for arm-elf


Hi,

I am trying to build a gcc cross compiler for target arm-elf. I am building on linux.

It works fine for most of the build, but fails when trying to make libstdc++ with the following:

...
checking for additional debug build... no
checking for extra compiler flags for building...
configure: WARNING: No native atomic operations are provided for this platform.
configure: WARNING: They cannot be faked when thread support is disabled.
configure: WARNING: Thread-safety of certain classes is not guaranteed.
configure: error: No support for this host/target combination.
make: *** [configure-target-libstdc++-v3] Error 1



I am building in a different directory then the source, etc., as is recommended and have generally been following the information at http://venus.billgatliff.com/node/18, but I can't seem to get around this problem.


Using the following versions:


binutils-2.16 gcc-3.4.6 newlib-1.12.0


binutils seems to build fine. I am using gcc-3.4.6 because I will need to eventually link with libraries supplied by a vendor built with that same version of the compiler (not sure how compatbile libaries built with different versions of gcc are, thought I would be safe here and use the same one)

Any help greatly appreciated.

Thanks

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