diff --git a/INSTALL b/INSTALL
index bff5304e0..ce54e23ed 100644
--- a/INSTALL
+++ b/INSTALL
@@ -128,6 +128,7 @@ but are documented here for packagers and developers:
 
 * `tarball`:  Creates a source tarball for distribution.
 * `deb`:  Creates debian packages in `..` directory.
+* `macport`: Creates MacPorts Portfile in `macports` directory.
 * `osx-pkg-prep`:  Prepares for building a MacOS X package.
 * `osx-pkg`:  Builds a MacOS X package (must be run as root, and on OS X).
   You should make `osx-pkg-prep` first (not as root).
diff --git a/Makefile b/Makefile
index 43741e890..d00a40170 100644
--- a/Makefile
+++ b/Makefile
@@ -236,6 +236,17 @@ uninstall-all: uninstall-program uninstall-lib-doc
 install: install-program
 uninstall: uninstall-program
 
+# MacPort
+.PHONY: macport
+macport_dest:=macports
+portfile:=$(macport_dest)/Portfile
+portfile_template:=$(portfile).in
+cleanup_files+=$(portfile)
+macport : $(portfile)
+$(portfile) : $(portfile_template) $(tarball_name)
+	sed -e 's/@VERSION@/$(VERSION)/' $(portfile_template) | \
+	sed -e 's/@TARBALLMD5SUM@/$(shell md5sum $(tarball_name))/' > $(portfile)  
+
 # OSX packages:  make osx-pkg-prep, then (as root) make osx-pkg
 .PHONY: osx-pkg osx-pkg-prep
 osx_dest:=osx-pkg-tmp
diff --git a/macports/Portfile b/macports/Portfile.in
similarity index 100%
rename from macports/Portfile
rename to macports/Portfile.in