--- mpqc-2.3.1/configure.in~	2010-02-25 14:45:29.685199732 +0100
+++ mpqc-2.3.1/configure.in	2010-02-25 14:50:31.284051847 +0100
@@ -1122,7 +1122,7 @@
 dnl commented out for Cray X1 (-lsun falsely detected)
 dnl AC_CHECK_LIB(sun,main)
 AC_CHECK_LIB(m,main)
-AC_CHECK_LIB(fl,main)
+dnl AC_CHECK_LIB(fl,main)
 AC_CHECK_HEADER(perf.h,[
   AC_CHECK_LIB(perf,perf_set_config,[
     HAVE_PERF=yes