Add a script for merging separate macOS architecture builds

Author: mstorsjo

merge-macos-universal.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+#
+# Copyright (c) 2018 Martin Storsjo
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+set -e
+
+if [ $# -lt 2 ]; then
+    echo $0 archive1.tar.xz archive2.tar.xz
+    exit 1
+fi
+
+base1=${1%%.*}
+base2=${2%%.*}
+
+rm -rf "$base1" "$base2"
+tar -Jxf $1
+tar -Jxf $2
+
+outbase="${base1%-*}-universal"
+
+rm -rf "$outbase"
+cp -a "$base1" "$outbase"
+
+for i in $(cd "$base1"; find . -type f); do
+#for i in $(cd "$base1"; echo bin/* lib/*.dylib); do
+    if [ -L "$base1/$i" ] || [ ! -x "$base1/$i" ]; then
+        continue
+    fi
+    if [ ! -x "$base2/$i" ]; then
+        continue
+    fi
+    if file "$base1/$i" | sed 's/.*: *//' | grep -q Mach-O; then
+        echo Merging $i
+        lipo -create -output "$outbase/$i" "$base1/$i" "$base2/$i"
+    fi
+done
+
+tar -Jcf $outbase.tar.xz $outbase