menu "Toolchain" choice prompt "Toolchain type" help Select whether to use the toolchain provided by buildroot or an external toolchain. Some vendors provide toolchains in binary form, some in source form. config BR2_TOOLCHAIN_BUILDROOT bool "Buildroot toolchain" depends on !BR2_microblaze && !BR2_aarch64 select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS config BR2_TOOLCHAIN_EXTERNAL bool "External toolchain" help Select if you want to use an existing cross-compiling toolchain. Buildroot can either download automatically a toolchain, or use an already installed toolchain. config BR2_TOOLCHAIN_CTNG bool "Crosstool-NG toolchain" depends on BR2_DEPRECATED depends on !BR2_microblaze && !BR2_aarch64 && !BR2_xtensa && !BR2_arc select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS help Say 'y' if you want to generate the toolchain with crosstool-NG (http://crosstool-ng.org). This is considered experimental, and you can expect some breakage. endchoice source "toolchain/toolchain-buildroot/Config.in" source "toolchain/toolchain-external/Config.in" source "toolchain/toolchain-crosstool-ng/Config.in" source "toolchain/toolchain-common.in" source "toolchain/toolchain-buildroot/Config.in.2" endmenu