diff --git a/configure b/configure
index 903342e2..69d20726 100755
--- a/configure
+++ b/configure
@@ -2576,7 +2576,7 @@ case "$target" in
                 ;;
         *darwin*)
                 SHLPST=".dylib"
-                MODPST=".so"
+                MODPST=".dylib"
                 ;;
 esac
 
@@ -2600,11 +2600,12 @@ BASE_INSTALL="installbase"
 BASE_BINARY="binarybase"
 SHLPRE="lib"
 LD_RXLIB1=""
+LD_RXTRANSLIB1="$LD_RXLIB1"
 CAN_USE_ABI="no"
-BUNDLE=""
-# If the build OS can handle version numbers in the shared library name,
-# and the user requests it, then set SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
-SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}"
+LIBEXE="ar"
+LIBFLAGS="cr"
+LIBPRE="lib"
+LIBPST=".a"
 # OTHER_INSTALLS is set to install a non-version numbered shared library
 # by default; ie. no .\$(ABI) suffix. If the regina executable is not built,
 # then there is no shared library. Set OTHER_INSTALLS="installabilib" if you
@@ -2618,6 +2619,7 @@ case "$target" in
 		SYS_DEFS="-D_HPUX_SOURCE"
 		EEXTRA="-Wl,-E"
 		LD_RXLIB1="ld -b -q -n"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		DYNAMIC_LDFLAGS="-Wl,+s"
 		;;
 	*ibm-aix*)
@@ -2631,6 +2633,7 @@ case "$target" in
 		DYN_COMP="-DDYNAMIC"
 		STATIC_LDFLAGS="-bnso -bI:/lib/syscalls.exp"
 		LD_RXLIB1="ld $mh_entry -bM:SRE"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		RXPACKEXPORTS="-bE:$SHLFILE.exp"
 		RXPACKEXP="$SHLFILE.exp"
 		;;
@@ -2641,57 +2644,65 @@ case "$target" in
 			SYS_DEFS="-D_POSIX_SOURCE -D_XOPEN_SOURCE -Olimit 800"
 		fi
 		LD_RXLIB1="ld -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*sequent-dynix*)
 		LD_RXLIB1="ld -G"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*solaris*)
 		if test "$ac_cv_prog_CC" = "gcc"; then
 			LD_RXLIB1="gcc -shared"
+			LD_RXTRANSLIB1="$LD_RXLIB1"
 		else
 			LD_RXLIB1="ld -G"
+			LD_RXTRANSLIB1="$LD_RXLIB1"
 		fi
 		;;
 	*esix*)
 		LD_RXLIB1="ld -G"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*dgux*)
 		LD_RXLIB1="ld -G"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	sparc*sunos*)
 		SYS_DEFS="-DSUNOS -DSUNOS_STRTOD_BUG"
 		LD_RXLIB1="ld"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*linux*)
 		LD_RXLIB1="${CC} -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		CAN_USE_ABI="yes"
 		if test "$USE_ABI" = "yes"; then
 			OTHER_INSTALLS="installabilib"
-			SHL_BASE="${SHLPRE}${SHLFILE}${SHLPST}.\$(ABI)"
 		fi
 		;;
 	*atheos*)
 		LD_RXLIB1="${CC} -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*freebsd*)
 		LD_RXLIB1="ld -Bdynamic -Bshareable"
-		;;
-	*nto-qnx*)
-		LD_RXLIB1="${CC} -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*pc-sco*)
 		LD_RXLIB1="ld -dy -G"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*beos*)
 		LD_RXLIB1="${CC} -Wl,-shared -nostart -Xlinker -soname=\$(@)"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		BEOS_DYN="yes"
 		BASE_INSTALL="beosinstall"
 		BASE_BINARY="beosbinary"
 		OTHER_INSTALLS=""
 		;;
-	*apple-darwin*)
-		LD_RXLIB1="${CC} -dynamiclib -install_name=\$(prefix)/lib/\$(@)"
-		DYN_COMP="-fno-common"
+	*nto-qnx*)
+		LD_RXLIB1="${CC} -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*qnx*)
 		LIBPRE=""
@@ -2707,16 +2718,20 @@ case "$target" in
 		DYN_COMP="-DDYNAMIC"
 		LIBPST=".a"
 		EXE=".exe"
-		LD_RXLIB1="dllwrap --def \$(srcdir)/\$(basename \$(@))w32.def --output-lib ${LIBPRE}\$(basename \$(@))${LIBPST} --target i386-cygwin32 --dllname \$(@)"
+# Only for Rexx/Trans do we produce an import library for the DLL we are
+# building
+		LD_RXLIB1="dllwrap --def \$(srcdir)/\$(basename \$(@))w32.def --target i386-cygwin32 --dllname \$(@)"
+		LD_RXTRANSLIB1="dllwrap --def \$(srcdir)/\$(basename \$(@))w32.def --output-lib ${LIBPRE}\$(basename \$(@))${LIBPST} --target i386-cygwin32 --dllname \$(@)"
 		BASE_INSTALL="cygwininstall"
 		BASE_BINARY="cygwinbinary"
+# cygwininstall target MUST install the shared library itself because
+# it puts it into $(bindir) not $(libdir) as all other platforms
+		OTHER_INSTALLS=""
 		;;
 	*darwin*)
 		DYN_COMP="-fno-common"
-		BUNDLE=".so"
-		LD_RXLIB1="${CC} -shared"
-		EXTRATARGET="librexxtrans$BUNDLE"
-		OTHER_INSTALLS="installmacosx"
+		LD_RXLIB1="${CC} -dynamiclib -install_name=\$(@)"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 		;;
 	*)
 		;;
@@ -2724,10 +2739,10 @@ esac
 
 if test "$DYN_COMP" = ""; then
 echo $ac_n "checking compiler flags for a dynamic object""... $ac_c" 1>&6
-echo "configure:2728: checking compiler flags for a dynamic object" >&5
+echo "configure:2743: checking compiler flags for a dynamic object" >&5
 
 cat > conftest.$ac_ext <<EOF
-#line 2731 "configure"
+#line 2746 "configure"
 int a=0
 EOF
 
@@ -2739,7 +2754,7 @@ EOF
 		CFLAGS="-c $a"
 
 		mh_compile='${CC-cc} -c $CFLAGS conftest.$ac_ext > conftest.tmp 2>&1'
-		if { (eval echo configure:2743: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5; }; then
+		if { (eval echo configure:2758: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5; }; then
 			DYN_COMP=""
 		else
 			slash="\\"
@@ -2760,17 +2775,18 @@ EOF
 		
 mh_compile='${CC-cc} -c $DYN_COMP conftest.$ac_ext 1>&5'
 cat > conftest.$ac_ext <<EOF
-#line 2764 "configure"
+#line 2779 "configure"
 int foo()
 {
 return(0);
 }
 EOF
-if { (eval echo configure:2770: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5; } && test -s conftest.o; then
+if { (eval echo configure:2785: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5; } && test -s conftest.o; then
 	mh_dyn_link='ld -shared -o conftest.rxlib conftest.o -lc 1>&5'
 #	mh_dyn_link='${CC} -Wl,-shared -o conftest.rxlib conftest.o -lc 1>&AC_FD_CC'
-	if { (eval echo configure:2773: \"$mh_dyn_link\") 1>&5; (eval $mh_dyn_link) 2>&5; } && test -s conftest.rxlib; then
+	if { (eval echo configure:2788: \"$mh_dyn_link\") 1>&5; (eval $mh_dyn_link) 2>&5; } && test -s conftest.rxlib; then
 		LD_RXLIB1="ld -shared"
+		LD_RXTRANSLIB1="$LD_RXLIB1"
 #		LD_RXLIB1="${CC} -Wl,-shared"
 		LD_RXLIB2="${REXX_LIBS}"
 		SHLPRE="lib"
@@ -2779,8 +2795,9 @@ if { (eval echo configure:2770: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5;
 	else
 		mh_dyn_link='ld -G -o conftest.rxlib conftest.o 1>&5'
 #		mh_dyn_link='${CC} -Wl,-G -o conftest.rxlib conftest.o 1>&AC_FD_CC'
-		if { (eval echo configure:2783: \"$mh_dyn_link\") 1>&5; (eval $mh_dyn_link) 2>&5; } && test -s conftest.rxlib; then
+		if { (eval echo configure:2799: \"$mh_dyn_link\") 1>&5; (eval $mh_dyn_link) 2>&5; } && test -s conftest.rxlib; then
 			LD_RXLIB1="ld -G"
+			LD_RXTRANSLIB1="$LD_RXLIB1"
 #			LD_RXLIB1="${CC} -Wl,-G"
 			LD_RXLIB2="${REXX_LIBS}"
 			SHLPRE="lib"
@@ -2788,6 +2805,7 @@ if { (eval echo configure:2770: \"$mh_compile\") 1>&5; (eval $mh_compile) 2>&5;
 			RXLIBLEN="6"
 		else
 			LD_RXLIB1=""
+			LD_RXTRANSLIB1="$LD_RXLIB1"
 			LD_RXLIB2=""
 			SHLPRE=""
 			SHLPST=""
@@ -2802,8 +2820,12 @@ rm -f conftest*
 	rm -f conftest.*
 fi
 
+
+aix_exports="config.exports.aix"
+echo "" > $aix_exports
 if test "$ac_cv_header_dl_h" = "yes" -o "$ac_cv_header_dlfcn_h" = "yes" -o "$AIX_DYN" = "yes" -o "$BEOS_DYN" = "yes" -o "$DLFCNINCDIR" != "" -o "$DLFCNLIBDIR" != ""; then
 	if test "$with_rexx" = "rexxtrans" -o "$with_rexx" = "regina" -o  "$with_rexx" = "objrexx" -o "$with_rexx" = "rexx6000"; then
+		EXPS="1,2,3,4,5,6,7,8,9"
 		SHL_TARGETS=""
 		for a in $SHLFILES
 		do
@@ -2812,6 +2834,15 @@ if test "$ac_cv_header_dl_h" = "yes" -o "$ac_cv_header_dlfcn_h" = "yes" -o "$AIX
 			else
 				SHL_TARGETS="${SHL_TARGETS} ${SHLPRE}${a}${SHLPST}"
 			fi
+			this=`echo $EXPS | cut -d, -f1`
+			EXPS=`echo $EXPS | cut -d, -f2-`
+			if test "$AIX_DYN" = "yes"; then
+				echo "RXPACKEXP$this=$a.exp" >> $aix_exports
+				echo "RXPACKEXPORTS$this=-bE:$a.exp" >> $aix_exports
+			else
+				echo "RXPACKEXP$this=" >> $aix_exports
+				echo "RXPACKEXPORTS$this=" >> $aix_exports
+			fi
 		done
 	else
 		SHL_TARGETS=""
@@ -2844,6 +2875,10 @@ fi
 
 
 
+
+
+
+
 
 
 
@@ -3015,6 +3050,8 @@ s%@x11type@%$x11type%g
 s%@PURIFY@%$PURIFY%g
 s%@SHLPST@%$SHLPST%g
 s%@MODPST@%$MODPST%g
+/@aix_exports@/r $aix_exports
+s%@aix_exports@%%g
 s%@EEXTRA@%$EEXTRA%g
 s%@CEXTRA@%$CEXTRA%g
 s%@OSAVE@%$OSAVE%g
@@ -3024,9 +3061,12 @@ s%@GETOPT@%$GETOPT%g
 s%@DYN_COMP@%$DYN_COMP%g
 s%@SHLIBS@%$SHLIBS%g
 s%@LD_RXLIB1@%$LD_RXLIB1%g
+s%@LD_RXTRANSLIB1@%$LD_RXTRANSLIB1%g
 s%@SHLPRE@%$SHLPRE%g
 s%@LIBPST@%$LIBPST%g
 s%@LIBPRE@%$LIBPRE%g
+s%@LIBEXE@%$LIBEXE%g
+s%@LIBFLAGS@%$LIBFLAGS%g
 s%@DYNAMIC_LDFLAGS@%$DYNAMIC_LDFLAGS%g
 s%@STATIC_LDFLAGS@%$STATIC_LDFLAGS%g
 s%@SHL_TARGETS@%$SHL_TARGETS%g