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efivar: depends on target gcc >= 4.7

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The efivar internal build system uses flags such as -std=gnu11 ,
-Wmaybe-uninitialized , -flto which are available in gcc >= 4.7 only.
These flags are passed both to target build and to build a host tool.
For the host part, this has been worked around by overriding
'gcc_flags', but doing that for the target would remove all flags that
upstream intended for the target build.

Buildroot doesn't support building gcc 4.6 in its own toolchain anymore
but it's possible to use an external toolchain with gcc 4.6 which would
be unable to build this package.

This patch adds a limitation on toolchains with target gcc >= 4.7 to
make sure that the flags are available in the chosen toolchain.

Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Erico Nunes 2016-06-26 23:36:27 +02:00 committed by Thomas Petazzoni
parent ea22b78d4b
commit 481310c9ad
2 changed files with 8 additions and 4 deletions
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6
package/efibootmgr/Config.in
View File

@ -2,6 +2,7 @@ config BR2_PACKAGE_EFIBOOTMGR
bool "efibootmgr"
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 # efivar
depends on BR2_TOOLCHAIN_USES_GLIBC # efivar
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # efivar
select BR2_PACKAGE_EFIVAR
help
A Linux user-space application to modify the Intel Extensible
@ -11,6 +12,7 @@ config BR2_PACKAGE_EFIBOOTMGR
https://github.com/rhinstaller/efibootmgr
comment "efibootmgr requires a glibc toolchain w/ headers >= 3.12"
comment "efibootmgr 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_USES_GLIBC || \\
!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7

6
package/efivar/Config.in
View File

@ -4,12 +4,14 @@ config BR2_PACKAGE_EFIVAR
# 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"
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_USES_GLIBC || \
!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7