config BR2_PACKAGE_PROTOBUF
	bool "protobuf"
	depends on BR2_INSTALL_LIBSTDCPP
	depends on BR2_TOOLCHAIN_HAS_THREADS
	# See src/google/protobuf/stubs/platform_macros.h for supported archs.
	# PowerPC doesn't actually work.
	depends on BR2_arm || BR2_i386 || BR2_mipsel || BR2_x86_64
	# host-protobuf only builds on certain architectures
	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
	help
	  Protocol buffers are Google's language-neutral, platform-neutral,
	  extensible mechanism for serializing structured data.

	  http://code.google.com/p/protobuf/

comment "protobuf needs a toolchain w/ C++, threads"
	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
	depends on BR2_arm || BR2_i386 || BR2_mipsel || BR2_x86_64
	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"