buildroot/package/musl/Config.in

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config BR2_PACKAGE_MUSL_ARCH_SUPPORTS
bool
default y if BR2_aarch64
default y if BR2_aarch64_be
default y if BR2_arm
default y if BR2_armeb
default y if BR2_i386
default y if BR2_m68k_m68k
default y if BR2_microblaze
default y if BR2_mips
default y if BR2_mipsel
default y if BR2_mips64
default y if BR2_mips64el
default y if BR2_or1k
default y if BR2_powerpc
default y if BR2_powerpc64
default y if BR2_powerpc64le
default y if BR2_RISCV_64
default y if BR2_sh
default y if BR2_x86_64
depends on !BR2_POWERPC_CPU_HAS_SPE # not supported, build breaks
depends on !(BR2_powerpc64 || BR2_powerpc64le) || BR2_POWERPC_CPU_HAS_ALTIVEC
# sh2 nommu is supported by musl, but we don't have support
# for it in Buildroot.
depends on BR2_USE_MMU
config BR2_PACKAGE_MUSL_SUPPORTS
bool
default y if BR2_PACKAGE_MUSL_ARCH_SUPPORTS
config BR2_PACKAGE_MUSL
bool
default y
depends on BR2_TOOLCHAIN_USES_MUSL
select BR2_PACKAGE_LINUX_HEADERS
# SSP broken on i386/ppc: http://www.openwall.com/lists/musl/2016/12/04/2
select BR2_TOOLCHAIN_HAS_SSP if BR2_PACKAGE_HOST_BINUTILS_SUPPORTS_CFI \
&& !(BR2_i386 || BR2_powerpc)
# Compatibility headers: cdefs.h, queue.h
select BR2_PACKAGE_MUSL_COMPAT_HEADERS
help
http://musl.libc.org/