--- Configure.org	2005-10-05 11:50:31.000000000 -0500
+++ Configure	2005-10-05 11:52:28.000000000 -0500
@@ -467,7 +467,9 @@
 "aix3-cc",    "cc:-O -DB_ENDIAN -qmaxmem=16384::(unknown):AIX::BN_LLONG RC4_CHAR:::",
 "aix-gcc",    "gcc:-O3 -DB_ENDIAN::-D_THREAD_SAFE:AIX::BN_LLONG RC4_CHAR:asm/aix_ppc32.o:::::::::dlfcn:",
 "aix-cc",     "cc:-q32 -O -DB_ENDIAN -qmaxmem=16384::-qthreaded:AIX::BN_LLONG RC4_CHAR:asm/aix_ppc32.o:::::::::dlfcn:aix-shared::-q32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 32",
+"aix-xlc_r",  "xlc_r:-O -DB_ENDIAN -qmaxmem=16384:::AIX::BN_LLONG RC4_CHAR:::",
 "aix64-cc",   "cc:-q64 -O -DB_ENDIAN -qmaxmem=16384::-qthreaded:AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR:asm/aix_ppc64.o:::::::::dlfcn:aix-shared::-q64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 64",
+"aix64-xlc_r","xlc_r:-O -DAIX -DB_ENDIAN -qmaxmem=16384 -q64:::::SIXTY_FOUR_BIT_LONG RC4_CHAR::::::::::dlfcn:aix-shared::-q64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 64",
 
 #
 # Cray T90 and similar (SDSC)