Index: configure.in
===================================================================
RCS file: /cvsroot/pgsql/configure.in,v
retrieving revision 1.460
diff -c -c -r1.460 configure.in
*** configure.in	22 Apr 2006 00:29:41 -0000	1.460
--- configure.in	27 Apr 2006 14:26:06 -0000
***************
*** 267,272 ****
--- 267,275 ----
  
    # Disable strict-aliasing rules; needed for gcc 3.3+
    PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
+ elif test ${CC} = "xlc"; then
+   # AIX xlc has to have strict aliasing turned off too
+   PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
  fi
  
  # supply -g if --enable-debug