[Clfs-support] CLFS embedded ARM with C++ support

[Joe Ciccone]

Pascal Kesseli wrote:
>
> Hi everyone
>
> Following the embedded ARM CLFS book, I was able to proceed until
> chapter 6.9. Here, I first built the gcc with the recommended
> configuration settings and it compiled flawlessly. Instead of
> installing it, however, I deleted the build folders and retried this
> step, but this time using --enable-languages=“c,c++“ instead of
> --enable-languages=c.
>
> I did so to create a C++ cross compiler, as the target system will be
> hosting our own C++ application. This second build fails with the
> following error message:
>
> checking whether the /mnt/clfs/sources/gcc-build/./gcc/xgcc
> -B/mnt/clfs/sources/gcc-build/./gcc/
> -B/mnt/clfs/cross-tools/arm-unknown-linux-uclibc/bin/
> -B/mnt/clfs/cross-tools/arm-unknown-linux-uclibc/lib/ -isystem
> /mnt/clfs/cross-tools/arm-unknown-linux-uclibc/include -isystem
> /mnt/clfs/cross-tools/arm-unknown-linux-uclibc/sys-include linker
> (/mnt/clfs/sources/gcc-build/./gcc/collect-ld) supports shared
> libraries... yes
> checking dynamic linker characteristics... configure: error: Link
> tests are not allowed after GCC_NO_EXECUTABLES.
> make[1]: *** [configure-target-libstdc++-v3] Error 1
> make[1]: Leaving directory `/opt/clfs/filesystem/sources/gcc-build'
> make: *** [all] Error 2
>
> So my question to you: Is there any patch or flag to circumvent this
> error ? Am I right to add the c++ flag at this stage to enable C++
> cross compilation or should I save this until chapter 6.11?
>
> Thanks for any help and best regards
> Pascal
>
Save it until 6.11. If you need a reference point you can reference the
clfs-sysroot or svn books.