1 files changed, 41 insertions, 0 deletions
diff --git a/dist/macos/bundle/reref_dylibs.sh b/dist/macos/bundle/reref_dylibs.sh
new file mode 100755
index 0000000..15191bd
--- /dev/null
+++ b/dist/macos/bundle/reref_dylibs.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# $1 = binary (program or dylib)
+B_TARGET=$1
+if [ "x$B_TARGET" = "x" ]; then
+    echo Which binary needs to be re-referenced?
+    exit 1
+fi
+
+cd $(dirname $B_TARGET) || exit 1
+
+# where to find non-system libraries relative to target's directory.
+# the vast majority of the time this should be empty
+B_REL_PATH=$2
+
+# we're in target's directory now. trim off the path
+B_TARGET=$(basename $B_TARGET)
+
+# get a list of non-system libraries and make local copies
+B_LIBS=$(otool -XL $B_TARGET | awk '{ print $1 }' | grep -Ev '^(/usr/lib|/System)')
+[ $? -ne 0 ] && exit 1
+for B_LIB in $B_LIBS; do
+    B_LIB_NAME=$(basename $B_LIB)
+
+    # ignore self-references
+    [ "$B_TARGET" = "$B_LIB_NAME" ] && continue
+
+    B_DST=${B_REL_PATH}${B_LIB_NAME}
+    if [ ! -e $B_DST ]; then
+        cp $B_LIB $B_DST || exit 1
+        chmod u+rw $B_DST || exit 1
+        # recursively call this script on libraries purposefully not passing
+        # $B_REL_PATH so that it is only used explicitly
+        $0 $B_DST
+    fi
+
+    # adjust the target's metadata to point to the local copy
+    # rather than the system-wide copy which would only exist on
+    # a development machine
+    install_name_tool -change $B_LIB @loader_path/$B_DST  $B_TARGET || exit 1
+done