diff --git a/configure.in b/configure.in
index 06a5451..eea1d40 100644
--- a/configure.in
+++ b/configure.in
@@ -181,6 +181,19 @@ AC_INIT(c/scheme48vm.c)
      AR=${AR-"ar cq"}
      TMPDIR=${TMPDIR-"/usr/tmp"}
      case "$host" in	
+  ## IBM AIX
+     rs6000-ibm-aix*|powerpc-ibm-aix* )
+     dir=aix
+     LDFLAGS="-O"
+     if test ${CC} = gcc; then
+       LDFLAGS_AIX="-Xlinker -bexport:exportlist.aix"
+     else
+       LDFLAGS_AIX="-bexport:exportlist.aix"
+     fi
+     CFLAGS="-O"
+     AIX_P="exportlist.aix"
+     ;;
+
     ## Linux
     *-*-linux* )
     dir=linux