How to build cocoapods library for 32 bit architecture

Podfile32Bit

# Remove 64-bit build architecture from Pods targets
post_install do |installer|
    installer.project.targets.each do |target|
        target.build_configurations.each do |configuration|
            target.build_settings(configuration.name)['ARCHS'] = '$(ARCHS_STANDARD_32_BIT)'
        end
    end
end