Add release engineering script

.gitignore

@@ -3,3 +3,4 @@
 *.stackdump
 emsys
 unicodetest
+/build

dist.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+usage() {
+    echo "$0 CC VERSION DISTNAME" >&2
+}
+if [ -z "$1" ]
+then
+    usage
+    exit 1
+fi
+if [ -z "$2" ]
+then
+    usage
+    exit 1
+fi
+if [ -z "$3" ]
+then
+    usage
+    exit 1
+fi
+
+compiler="$1"
+version="$2"
+distname="$3"
+progname="emsys"
+archive="$progname-$distname-$version"
+
+make clean
+make CC="$compiler" VERSION="$version" || exit 1
+
+echo ""
+echo "Building complete, stripping"
+echo "(one error expected, either you do or don't have a .exe)"
+echo ""
+
+strip -v "$progname"
+strip -v "$progname".exe
+
+echo ""
+echo "Done, now build archive"
+echo "(one error expected, either you do or don't have a .exe)"
+echo ""
+
+(
+    mkdir -pv build/"$archive"
+    cp -v "$progname" build/"$archive"
+    cp -v "$progname".exe build/"$archive"
+    cp -v "$progname".1 README.md LICENSE CHANGELOG build/"$archive"
+    cd build || exit 1
+    tar cvzf "$archive".tar.gz "$archive"
+)