Taken from:
http://www.bitshrine.org/gpp/oprofile-0.9.2-bfd_get_synthetic_symtab-hack.patch

diff --exclude CVS -uNr oprofile-0.9.2/configure oprofile-0.9.2.modified/configure
--- oprofile-0.9.2/configure	2006-09-15 19:32:06.000000000 +0100
+++ oprofile-0.9.2.modified/configure	2007-01-08 15:38:39.000000000 +0000
@@ -5613,6 +5613,15 @@
 
 _ACEOF
 	$CC conftest.$ac_ext $LIBS -o  test-for-synth > /dev/null 2>&1
+# Hack to force SYNTHESIZE_SYMBOLS to 0.  - stevep
+# This is to prevent the following build errors on the imx31 when using
+# binutils > 2.15:
+# undefined reference to `bfd_elf64_powerpc_vec'
+# undefined reference to `bfd_elf64_powerpcle_vec'
+#
+# Not sure that this is the correct fix, need some more investigation!!
+rm -f test-for-synth
+
 	if test -f test-for-synth; then
 		echo "yes"
 		SYNTHESIZE_SYMBOLS='1'