Add packaging script for Mac, add platform name to packages.

tools/make_mac_package.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Run this script in the top nanopb directory to create a binary package
+# for Mac OS X users.
+
+# Requires: protobuf, python-protobuf, pyinstaller
+
+set -e
+set -x
+
+VERSION=`git describe --always`
+DEST=dist/$VERSION
+
+rm -rf $DEST
+mkdir -p $DEST
+
+# Export the files from newest commit
+git archive HEAD | tar x -C $DEST
+
+# Rebuild the Python .proto files
+make -BC $DEST/generator/proto
+
+# Package the Python libraries
+( cd $DEST/generator; pyinstaller nanopb_generator.py )
+mv $DEST/generator/dist/nanopb_generator $DEST/generator-bin
+
+# Remove temp files
+rm -rf $DEST/generator/dist $DEST/generator/build $DEST/generator/nanopb_generator.spec
+
+# Make the nanopb generator available as a protoc plugin
+cp $DEST/generator-bin/nanopb_generator $DEST/generator-bin/protoc-gen-nanopb
+
+# Package the protoc compiler
+cp `which protoc` $DEST/generator-bin/protoc.bin
+LIBPROTOC=$(otool -L `which protoc` | grep -o '/.*libprotoc[^ ]*')
+LIBPROTOBUF=$(otool -L `which protoc` | grep -o '/.*libprotobuf[^ ]*')
+cp $LIBPROTOC $LIBPROTOBUF $DEST/generator-bin/
+cat > $DEST/generator-bin/protoc << EOF
+#!/bin/bash
+SCRIPTDIR=\$(cd \$(dirname \$0); pwd)
+export DYLD_LIBRARY_PATH=\$SCRIPTDIR
+export PATH=\$SCRIPTDIR:\$PATH
+exec \$SCRIPTDIR/protoc.bin "\$@"
+EOF
+chmod +x $DEST/generator-bin/protoc
+
+# Tar it all up
+( cd dist; tar -czf $VERSION-mac.tgz $VERSION )
+