config BR2_PACKAGE_EFIVAR
  	bool "efivar"
  	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 # linux/nvme.h
  	# linux/nvme.h has been renamed to linux/nvme_ioctl.h since 4.4,
  	# and we have a patch to handle that situation. However, some
  	# Sourcery CodeBench toolchains use 4.4 kernel headers but they
  	# don't have that header file renamed, and that is causing build
  	# failures. So, prevent this package to be built using those
  	# toolchains.
  	depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS && \
  		!BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII
  	# doesn't build with uclibc due to lack of uchar.h
  	# doesn't build with musl due to lack of __bswap_constant_16
  	depends on BR2_TOOLCHAIN_USES_GLIBC
  	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
  	select BR2_PACKAGE_POPT
  	help
  	  Tools and libraries to manipulate EFI variables
  
  	  https://github.com/rhinstaller/efivar
  
  comment "efivar requires a glibc toolchain w/ headers >= 3.12, gcc >= 4.7"
  	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 || \
  		!BR2_TOOLCHAIN_USES_GLIBC || \
  		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7
  	depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS && \
  		!BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII