http://sourceware.org/bugzilla/show_bug.cgi?id=5442

diff -ruN glibc-2.6.1-old/configure.in glibc-2.6.1-new/configure.in
--- glibc-2.6.1-old/configure.in	2007-03-20 13:11:23.000000000 +0100
+++ glibc-2.6.1-new/configure.in	2009-01-21 01:09:16.000000000 +0100
@@ -911,8 +911,12 @@
 # header directory and add that to the list.  NOTE: Only does the right
 # thing on a system that doesn't need fixincludes.  (Not presently a problem.)
 if test -n "$sysheaders"; then
-  ccheaders=`$CC -print-file-name=include`
-  SYSINCLUDES="-nostdinc -isystem $ccheaders \
+  SYSINCLUDES=-nostdinc
+  for d in include include-fixed; do
+    i=`$CC -print-file-name="$d"` && test "x$i" != x && test "x$i" != "x$d" &&
+    SYSINCLUDES="$SYSINCLUDES -isystem $i"
+  done
+  SYSINCLUDES="$SYSINCLUDES \
 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
   if test -n "$CXX"; then
     cxxversion=`$CXX -dumpversion 2>&AS_MESSAGE_LOG_FD` &&
diff -ruN glibc-2.6.1-old/configure glibc-2.6.1-new/configure
--- glibc-2.6.1-old/configure	2007-07-31 15:46:12.000000000 +0200
+++ glibc-2.6.1-new/configure	2009-01-21 01:09:13.000000000 +0100
@@ -4562,8 +4562,12 @@
 # header directory and add that to the list.  NOTE: Only does the right
 # thing on a system that doesn't need fixincludes.  (Not presently a problem.)
 if test -n "$sysheaders"; then
-  ccheaders=`$CC -print-file-name=include`
-  SYSINCLUDES="-nostdinc -isystem $ccheaders \
+  SYSINCLUDES=-nostdinc
+  for d in include include-fixed; do
+    i=`$CC -print-file-name="$d"` && test "x$i" != "x$d" &&
+    SYSINCLUDES="$SYSINCLUDES -isystem $i"
+  done
+  SYSINCLUDES="$SYSINCLUDES \
 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
   if test -n "$CXX"; then
     cxxversion=`$CXX -dumpversion 2>&5` &&