doxygen unable to find included files

[Jonathan Wakely]

2011/8/30 Křištof Želechovski:
> Dnia wtorek, 30 sierpnia 2011 o 14:41:45 Jonathan Wakely napisał(a):
>> On 30 August 2011 13:42, Křištof Želechovski <giecrilj@stegny.2a.pl> wrote:
>> > Dnia poniedziałek, 22 sierpnia 2011 o 21:21:08 Jonathan Wakely napisał(a):
>> >> On 22 August 2011 20:19, Křištof Želechovski wrote:
>> >> > { make -C x86_64-suse-linux/libstdc++-v3 doc-html-doxygen; }
>> >> >
>> >> > Preprocessing /usr/src/packages/BUILD/gcc-4.5.3-20110428/obj-x86_64-suse-linux/x86_64-suse-linux/libstdc++/usr/src/packages/BUILD/gcc-4.5.3-20110428/obj-x86_64-suse-linux/x86_64-suse-linux/libstdc++-v3/include/ext/pb_ds/tree_policy.hpp:154: Warning: include file ext/pb_ds/detail/tree_policy/order_statistics_imp.hpp not found, perhaps you forgot to add its directory to INCLUDE_PATH?
...
> so it seems the library has already been built when I get those errors.

Isn't it just a warning, not an error?

> Any ideas?

Have you checked if the file is there?