buildroot/support/config-fragments/autobuild/br-i386-pentium-mmx-musl.config

BR2_x86_pentium_mmx=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-i386-pentium-mmx-musl-2020.11.2.tar.bz2"
BR2_TOOLCHAIN_EXTERNAL_GCC_9=y
BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_9=y
BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
# BR2_TOOLCHAIN_EXTERNAL_HAS_SSP is not set
BR2_TOOLCHAIN_EXTERNAL_CXX=y