Robert P. J. DAY says:
According to Mike Frysinger, this patch was removed from Gentoo in the
2.3.x series and didn't seem to cause any adverse effects. So toss it
from the patch directories for glibc 2.5 and up.
1 diff -durN gcc-4.2.1.orig/libstdc++-v3/include/ext/rope gcc-4.2.1/libstdc++-v3/include/ext/rope
2 --- gcc-4.2.1.orig/libstdc++-v3/include/ext/rope 2006-10-17 13:56:21.000000000 +0200
3 +++ gcc-4.2.1/libstdc++-v3/include/ext/rope 2007-08-03 20:34:23.000000000 +0200
5 #include <bits/allocator.h>
6 #include <ext/hash_fun.h>
8 +/* cope w/ index defined as macro, SuSv3 proposal */
12 # define __GC_CONST const
14 diff -durN gcc-4.2.1.orig/libstdc++-v3/include/ext/ropeimpl.h gcc-4.2.1/libstdc++-v3/include/ext/ropeimpl.h
15 --- gcc-4.2.1.orig/libstdc++-v3/include/ext/ropeimpl.h 2006-10-17 13:56:21.000000000 +0200
16 +++ gcc-4.2.1/libstdc++-v3/include/ext/ropeimpl.h 2007-08-03 20:34:23.000000000 +0200
18 #include <ext/memory> // For uninitialized_copy_n
19 #include <ext/numeric> // For power
21 +/* cope w/ index defined as macro, SuSv3 proposal */
24 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)