1 files changed, 100 insertions, 0 deletions
diff --git a/pkg/osx/cp-with-libs b/pkg/osx/cp-with-libs
new file mode 100755
index 00000000..04fb5bc6
--- /dev/null
+++ b/pkg/osx/cp-with-libs
@@ -0,0 +1,100 @@
+#!/bin/bash
+#
+# Copy a program to the specified destination, along
+# with libraries it depends upon.
+
+src_bin=$1
+dest_dir=$2
+
+# Returns true if the specified file is a dylib.
+
+is_dylib() {
+	case "$1" in
+		*.dylib)
+			true
+			;;
+		*)
+			false
+			;;
+	esac
+}
+
+# Returns true if the specified file is in a system location
+# (/System or /usr):
+
+is_sys_lib() {
+	case "$1" in
+		/System/*)
+			true
+			;;
+		/usr/*)
+			true
+			;;
+		*)
+			false
+			;;
+	esac
+}
+
+# Install the specified file to the location in dest_dir, along with
+# any libraries it depends upon (recursively):
+
+install_with_deps() {
+	local src_file
+	local bin_name
+	local dest_file
+	local lib_name
+
+	src_file=$1
+	bin_name=$(basename "$src_file")
+	dest_file="$dest_dir/$bin_name"
+
+	# Already copied into the package? Don't copy again.
+	# Prevents endless recursion.
+
+	if [ -e "$dest_file" ]; then
+		return
+	fi	
+
+	echo "Installing $bin_name..."
+
+	# Copy file into package.
+
+	cp "$src_file" "$dest_file"
+
+	# Copy libraries that this file depends on:
+
+	otool -L "$src_file" | tail -n +2 | sed 's/^.//; s/ (.*//' | while read; do
+		
+		# Don't copy system libraries
+
+		if is_sys_lib "$REPLY"; then
+			continue
+		fi
+
+		#echo "    - $bin_name depends on $REPLY"
+
+		# Copy this library into the package, and:
+		# recursively install any libraries that _this_ library depends on:
+
+		install_with_deps "$REPLY"
+
+		# Change destination binary to depend on the
+		# copy inside the package:
+
+		lib_name=$(basename "$REPLY")
+		install_name_tool -change "$REPLY" "@executable_path/$lib_name" \
+		                  "$dest_file"
+	done
+
+	# If this is a library that we have installed, change its id:
+
+	if is_dylib "$dest_file"; then
+		install_name_tool -id "@executable_path/$bin_name" "$dest_file"
+	fi
+}
+
+# Install the file, and recursively install any libraries:
+
+install_with_deps "$src_bin"
+