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Code signing and packaging on macOS

If you're having difficulty code signing or packaging your game on macOS, try the following steps.

Code sign the dynamic libraries individually​

After packaging your game, code sign the .dylib files within your package individually by running the following command. Replace the pkg_path and SIGNING_ID variables as appropriate for your game.

pkg_path=Path/To/Your.app
SIGNING_ID=SigningIdentity
find "${pkg_path}/Contents" -type f -name "*.dylib" -exec codesign --options runtime --timestamp --entitlements entitlements.plist --force --sign "${SIGNING_ID}" {} \;

Ensure entitlements permit dynamic loading​

Ensure that the entitlements for your game permit dynamically loading libraries. A suggested entitlements.plist file is as follows:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>com.apple.security.cs.allow-jit</key>
    <true/>
    <key>com.apple.security.device.audio-input</key>
    <true/>
    <key>com.apple.security.cs.allow-dyld-environment-variables</key>
    <true/>
    <key>com.apple.security.cs.disable-library-validation</key>
    <true/>
    <key>com.apple.security.cs.disable-executable-page-protection</key>
    <true/>
</dict>
</plist>