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Re: gcc 4.8 search path usr/... instead of /usr/...
On Dec 2, 2012 2:04 AM, "y y" wrote:
>
> Hi,
> I have built gcc 4.8 successfully with the configuration:
> ../gcc-trunk/configure -v --with-pkgversion='ubuntu12.04-64'
> --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
> --program-suffix=-4.8 --enable-shared --enable-linker-build-id
> --with-system-zlib --libexecdir=/usr/lib --without-included-gettext
> --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8
> --libdir=/usr/lib --enable-nls --with-sysroot=/
Why are you using --with-sysroot ?
--enable-clocale=gnu
> --enable-libstdcxx-debug --enable-libstdcxx-time=yes
> --enable-gnu-unique-object --enable-plugin --enable-objc-gc
> --disable-werror --with-arch-32=native --with-tune=native
> --enable-checking=release --build=x86_64-linux-gnu
> --host=x86_64-linux-gnu --target=x86_64-linux-gnu
>
> However, when I try to compile a test file, the search path is really strange:
> ignoring nonexistent
> directory“usr/include/c++/4.8”******************************************There
> is no slash!
> ignoring nonexistent
> directory“usr/include/c++/4.8/x86_64-linux-gnu/.”********************There
> is no slash!
> ignoring nonexistent
> directory“usr/include/c++/4.8/backward”******************************There
> is no slash!
> ignoring nonexistent directory“/usr/local/include/x86_64-linux-gnu”
> ignoring nonexistent
> directory“/usr/lib/gcc/x86_64-linux-gnu/4.8.0/../../../../x86_64-linux-gnu/include”
>
> Any one can help? Thank you!
>
> Regards,
> Yao Yuan.