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 -urN gcc-4.0.0-100/libstdc++-v3/fragment.am gcc-4.0.0/libstdc++-v3/fragment.am
2 --- gcc-4.0.0-100/libstdc++-v3/fragment.am 2004-10-25 15:32:40.000000000 -0500
3 +++ gcc-4.0.0/libstdc++-v3/fragment.am 2005-04-28 21:48:43.000000000 -0500
5 $(WARN_FLAGS) $(WERROR) -fdiagnostics-show-location=once
7 # -I/-D flags to pass when compiling.
8 -AM_CPPFLAGS = $(GLIBCXX_INCLUDES)
9 +AM_CPPFLAGS = $(GLIBCXX_INCLUDES) -I$(toplevel_srcdir)/include
11 diff -urN gcc-4.0.0-100/libstdc++-v3/libmath/Makefile.am gcc-4.0.0/libstdc++-v3/libmath/Makefile.am
12 --- gcc-4.0.0-100/libstdc++-v3/libmath/Makefile.am 2003-08-27 16:29:42.000000000 -0500
13 +++ gcc-4.0.0/libstdc++-v3/libmath/Makefile.am 2005-04-28 21:48:43.000000000 -0500
16 libmath_la_SOURCES = stubs.c
18 -AM_CPPFLAGS = $(CANADIAN_INCLUDES)
19 +AM_CPPFLAGS = $(CANADIAN_INCLUDES) -I$(toplevel_srcdir)/include
21 # Only compiling "C" sources in this directory.
22 LIBTOOL = @LIBTOOL@ --tag CC