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efivar: introduce BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS

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efivar only makes sense on platforms that support UEFI.
UEFI is only supported by some architectures at the moment, being mostly
employed on platforms such as x86, x86_64 and aarch64. Some other
platforms such as MIPS and PowerPC may have some unofficial UEFI
support. UEFI is also limited to little endian architectures.

efivar was being supported in Buildroot without architecture
restrictions so far, however this has led to the creation of a number of
hacks in the recipes, mostly for architectures that are not supported by
UEFI.
In order to avoid spending more time to debug these failures and
maintaining more hacks for unsupported architectures, efivar can be
restricted to that platforms where it makes sense and where it is more
likely to receive some testing and actual usage.

The existing hacks for the now unsupported architectures are removed,
and the dependency is propagated to efibootmgr as it depends on efivar.

Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Erico Nunes 2016-12-06 00:07:17 +01:00 committed by Thomas Petazzoni
parent 3eb51f16d2
commit 0474d89de7
3 changed files with 14 additions and 14 deletions
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8
package/efibootmgr/Config.in
View File

@ -1,11 +1,11 @@
config BR2_PACKAGE_EFIBOOTMGR
bool "efibootmgr"
depends on BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS # efivar
depends on !BR2_STATIC_LIBS # efivar
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 # efivar
depends on !BR2_TOOLCHAIN_USES_MUSL # efivar
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # efivar
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS && \
!BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII # efivar
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS
select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT
select BR2_PACKAGE_EFIVAR
help
@ -17,9 +17,9 @@ config BR2_PACKAGE_EFIBOOTMGR
https://github.com/rhinstaller/efibootmgr
comment "efibootmgr needs a glibc or uClibc toolchain w/ dynamic library, headers >= 3.12, gcc >= 4.9"
depends on BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS
depends on BR2_STATIC_LIBS || \
!BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 || \
BR2_TOOLCHAIN_USES_MUSL || \
!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS && \
!BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS

14
package/efivar/Config.in
View File

@ -1,5 +1,12 @@
config BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS
bool
depends on BR2_arm || BR2_aarch64 || BR2_i386 || BR2_x86_64 \
|| BR2_powerpc64le || BR2_mipsel || BR2_mips64el
default y
config BR2_PACKAGE_EFIVAR
bool "efivar"
depends on BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS
depends on !BR2_STATIC_LIBS # dlfcn.h
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,
@ -8,8 +15,7 @@ config BR2_PACKAGE_EFIVAR
# 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
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS
# doesn't build with musl due to lack of __bswap_constant_16
depends on !BR2_TOOLCHAIN_USES_MUSL
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
@ -20,9 +26,9 @@ config BR2_PACKAGE_EFIVAR
https://github.com/rhinstaller/efivar
comment "efivar needs a glibc or uClibc toolchain w/ dynamic library, headers >= 3.12, gcc >= 4.9"
depends on BR2_PACKAGE_EFIVAR_ARCH_SUPPORTS
depends on BR2_STATIC_LIBS || \
!BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 || \
BR2_TOOLCHAIN_USES_MUSL || \
!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS && \
!BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII
depends on !BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS

6
package/efivar/efivar.mk
View File

@ -21,12 +21,6 @@ EFIVAR_MAKE_OPTS = \
BINTARGETS=efivar \
LDFLAGS="$(TARGET_LDFLAGS) -fPIC"
# Explicitly linking with shared libgcc is required on MicroBlaze and
# Nios II, otherwise it fails due to FDE encoding in static libgcc.
ifeq ($(BR2_microblaze)$(BR2_nios2),y)
EFIVAR_MAKE_OPTS += SOFLAGS="-shared -shared-libgcc"
endif
define EFIVAR_BUILD_CMDS
# makeguids is an internal host tool and must be built separately with
# $(HOST_CC), otherwise it gets cross-built.