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 -rduNp gdb-6.6-100/Makefile.in gdb-6.6/Makefile.in
2 --- gdb-6.6-100/Makefile.in 2006-12-18 08:21:19.000000000 +0100
3 +++ gdb-6.6/Makefile.in 2007-05-14 10:54:29.000000000 +0200
4 @@ -331,7 +331,7 @@ COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_
5 # CFLAGS will be just -g. We want to ensure that TARGET libraries
6 # (which we know are built with gcc) are built with optimizations so
7 # prepend -O2 when setting CFLAGS_FOR_TARGET.
8 -CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
9 +CFLAGS_FOR_TARGET = $(strip $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET))
10 SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
11 CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
12 LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
13 diff -rduNp gdb-6.6-100/Makefile.tpl gdb-6.6/Makefile.tpl
14 --- gdb-6.6-100/Makefile.tpl 2006-11-15 00:26:39.000000000 +0100
15 +++ gdb-6.6/Makefile.tpl 2007-05-14 10:54:29.000000000 +0200
16 @@ -334,7 +334,7 @@ COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_
17 # CFLAGS will be just -g. We want to ensure that TARGET libraries
18 # (which we know are built with gcc) are built with optimizations so
19 # prepend -O2 when setting CFLAGS_FOR_TARGET.
20 -CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
21 +CFLAGS_FOR_TARGET = $(strip $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET))
22 SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
23 CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
24 LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
25 diff -rduNp gdb-6.6-100/gdb/configure gdb-6.6/gdb/configure
26 --- gdb-6.6-100/gdb/configure 2006-12-17 16:38:59.000000000 +0100
27 +++ gdb-6.6/gdb/configure 2007-05-14 10:55:41.000000000 +0200
28 @@ -272,7 +272,7 @@ PACKAGE_STRING=
31 ac_unique_file="main.c"
32 -ac_subdirs_all="$ac_subdirs_all doc testsuite"
33 +ac_subdirs_all="$ac_subdirs_all doc"
34 # Factoring default headers for most tests.
35 ac_includes_default="\
37 @@ -3055,7 +3055,7 @@ _ACEOF
41 -subdirs="$subdirs doc testsuite"
42 +subdirs="$subdirs doc"
45 # Provide defaults for some variables set by the per-host and per-target
46 diff -rduNp gdb-6.6-100/gdb/gdbserver/configure gdb-6.6/gdb/gdbserver/configure
47 --- gdb-6.6-100/gdb/gdbserver/configure 2006-11-22 01:10:19.000000000 +0100
48 +++ gdb-6.6/gdb/gdbserver/configure 2007-05-14 10:54:29.000000000 +0200
49 @@ -1239,7 +1239,7 @@ echo "$as_me: error: \`$ac_var' was not
50 ac_cache_corrupted=: ;;
53 - if test "x$ac_old_val" != "x$ac_new_val"; then
54 + if test "`echo $ac_old_val`" != "`echo $ac_new_val`"; then
55 { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
56 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
57 { echo "$as_me:$LINENO: former value: $ac_old_val" >&5
58 diff -rduNp gdb-6.6-100/gdb/testsuite/configure gdb-6.6/gdb/testsuite/configure
59 --- gdb-6.6-100/gdb/testsuite/configure 2006-06-21 15:57:21.000000000 +0200
60 +++ gdb-6.6/gdb/testsuite/configure 2007-05-14 10:54:29.000000000 +0200
61 @@ -1248,7 +1248,7 @@ echo "$as_me: error: \`$ac_var' was not
62 ac_cache_corrupted=: ;;
65 - if test "x$ac_old_val" != "x$ac_new_val"; then
66 + if test "`echo $ac_old_val" != "`echo $ac_new_val"; then
67 { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
68 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
69 { echo "$as_me:$LINENO: former value: $ac_old_val" >&5