diff -ur readline-6.0.orig/shlib/Makefile.in readline-6.0/shlib/Makefile.in
--- readline-6.0.orig/shlib/Makefile.in	2009-01-06 18:03:22 +0100
+++ readline-6.0/shlib/Makefile.in	2009-02-26 18:48:15 +0100
@@ -50,6 +50,7 @@
 SHELL = @MAKE_SHELL@
 
 host_os = @host_os@
+host_vendor = @host_vendor@
 
 prefix = @prefix@
 exec_prefix = @exec_prefix@
@@ -182,13 +183,13 @@
 	-$(SHELL) $(topdir)/support/mkdirs $(DESTDIR)$(libdir)
 
 install: installdirs $(SHLIB_STATUS)
-	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -i "$(INSTALL_DATA)" $(SHARED_HISTORY)
-	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -i "$(INSTALL_DATA)" $(SHARED_READLINE)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -V $(host_vendor) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -i "$(INSTALL_DATA)" $(SHARED_HISTORY)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -V $(host_vendor) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -i "$(INSTALL_DATA)" $(SHARED_READLINE)
 	@echo install: you may need to run ldconfig
 
 uninstall:
-	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -U $(SHARED_HISTORY)
-	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -U $(SHARED_READLINE)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -V $(host_vendor) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -U $(SHARED_HISTORY)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -V $(host_vendor) -d $(DESTDIR)$(libdir) -b $(DESTDIR)$(bindir) -U $(SHARED_READLINE)
 	@echo uninstall: you may need to run ldconfig
 
 clean mostlyclean:	force
diff -ur readline-6.0.orig/support/shlib-install readline-6.0/support/shlib-install
--- readline-6.0.orig/support/shlib-install	2008-07-20 01:16:05 +0200
+++ readline-6.0/support/shlib-install	2009-02-26 18:40:41 +0100
@@ -3,7 +3,7 @@
 # shlib-install - install a shared library and do any necessary host-specific
 #		  post-installation configuration (like ldconfig)
 #
-# usage: shlib-install [-D] -O host_os -d installation-dir [-b bin-dir] -i install-prog [-U] library
+# usage: shlib-install [-D] -O host_os -V host_vendor -d installation-dir [-b bin-dir] -i install-prog [-U] library
 #
 # Chet Ramey
 # address@hidden
@@ -15,13 +15,14 @@
 LDCONFIG=ldconfig
 
 PROGNAME=`basename $0`
-USAGE="$PROGNAME [-D] -O host_os -d installation-dir [-b bin-dir] -i install-prog [-U] library"
+USAGE="$PROGNAME [-D] -O host_os -V host_vendor -d installation-dir [-b bin-dir] -i install-prog [-U] library"
 
 # process options
 
 while [ $# -gt 0 ]; do
 	case "$1" in
 	-O)	shift; host_os="$1"; shift ;;
+	-V)     shift; host_vendor="$1"; shift ;;
 	-d)	shift; INSTALLDIR="$1"; shift ;;
 	-b)	shift; BINDIR="$1" ; shift ;;
 	-i)	shift; INSTALLPROG="$1" ; shift ;;
@@ -115,8 +116,8 @@
 #
 # Create symlinks to the installed library.  This section is incomplete.
 #
-case "$host_os" in
-*linux*)
+case "$host_os-$host_vendor" in
+*linux*|freebsd*-gentoo)
 	# libname.so.M -> libname.so.M.N
 	${echo} ${RM} ${INSTALLDIR}/$LINK2
 	if [ -z "$uninstall" ]; then
@@ -130,7 +131,7 @@
 	fi
 	;;
 
-bsdi4*|*gnu*|darwin*|macosx*|k*bsd*-gnu|netbsd*)
+bsdi4*|*gnu*|darwin*|macosx*|netbsd*)
 	# libname.so.M -> libname.so.M.N
 	${echo} ${RM} ${INSTALLDIR}/$LINK2
 	if [ -z "$uninstall" ]; then
@@ -153,8 +154,8 @@
 	;;
 
 
-# FreeBSD 3.x and above can have either a.out or ELF shared libraries
-freebsd[3-9]*|freebsdelf[3-9]*|freebsdaout[3-9]*)
+# FreeBSD 3.x to 6.x can have either a.out or ELF shared libraries
+freebsd[3-6]*|freebsdelf[3-6]*|freebsdaout[3-9]*)
 	if [ -x /usr/bin/objformat ] && [ "`/usr/bin/objformat`" = "elf" ]; then
 		# libname.so -> libname.so.M
 		${echo} ${RM} ${INSTALLDIR}/$LINK1
@@ -176,6 +177,15 @@
 	fi
 	;;
 
+# FreeBSD 7.x and above has only ELF shared libraries
+freebsd[7-9]*|freebsdelf[7-9]*)
+	# libname.so -> libname.so.M
+	${echo} ${RM} ${INSTALLDIR}/$LINK1
+	if [ -z "$uninstall" ]; then
+		eval $INSTALL_LINK1
+	fi
+	;;
+
 hpux1*)
 	# libname.sl -> libname.M
 	${echo} ${RM} ${INSTALLDIR}/$LINK1.sl
diff -ur readline-6.0.orig/support/shobj-conf readline-6.0/support/shobj-conf
--- readline-6.0.orig/support/shobj-conf	2009-01-04 20:32:42 +0100
+++ readline-6.0/support/shobj-conf	2009-02-26 18:40:11 +0100
@@ -64,7 +64,7 @@
 	esac
 done
 
-case "${host_os}-${SHOBJ_CC}" in
+case "${host_os}-${SHOBJ_CC}-${host_vendor}" in
 sunos4*-*gcc*)
 	SHOBJ_CFLAGS=-fpic
 	SHOBJ_LD=/usr/bin/ld
@@ -108,8 +108,8 @@
 	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 	;;
 
-# All versions of Linux or the semi-mythical GNU Hurd.
-linux*-*|gnu*-*|k*bsd*-gnu-*)
+# All versions of Linux, the semi-mythical GNU Hurd or Gentoo/FreeBSD.
+linux*-*|gnu*-*|k*bsd*-gnu-*|freebsd*-gentoo)
 	SHOBJ_CFLAGS=-fPIC
 	SHOBJ_LD='${CC}'
 	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
@@ -128,7 +128,7 @@
 	;;
 
 # FreeBSD-3.x ELF
-freebsd[3-9]*|freebsdelf[3-9]*|freebsdaout[3-9]*|dragonfly*)
+freebsd[3-6]*|freebsdelf[3-6]*|freebsdaout[3-9]*|dragonfly*)
 	SHOBJ_CFLAGS=-fPIC
 	SHOBJ_LD='${CC}'
 
@@ -145,6 +145,16 @@
 	fi
 	;;
 
+# FreeBSD-7.x has only ELF
+freebsd[7-9]*|freebsdelf[7-9]*)
+	SHOBJ_CFLAGS=-fPIC
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
+
+	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
 # Darwin/MacOS X
 darwin[89]*|darwin10*)
 	SHOBJ_STATUS=supported