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package/kbd: needs gcc 4.9

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kbd uses _Generic since version 2.2.90 and
da5feb8fd9

However, _Generic is not available until gcc 4.9:
https://gcc.gnu.org/wiki/C11Status

As a result, build with gcc 4.8 fails on:

setleds.c:352:3: warning: implicit declaration of function '_Generic' [-Wimplicit-function-declaration]
   ndefflags = BITMASK_SET(BITMASK_UNSET(odefflags, ndef), nval);
   ^
setleds.c:22:2: error: expected expression before 'unsigned'
  unsigned char: (unsigned char)(~(x)) \
  ^

Fixes:
 - http://autobuild.buildroot.org/results/b74ecdda44543da1d47fa2c027fb046a3ca1e2d1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr: propagate the MMU dependency to the comment]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Fabrice Fontaine 2020-09-08 21:45:45 +02:00 committed by Yann E. MORIN
parent 9c525cb433
commit ffba905653
1 changed files with 5 additions and 0 deletions
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5
package/kbd/Config.in
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@ -2,7 +2,12 @@ config BR2_PACKAGE_KBD
bool "kbd"
# Uses fork()
depends on BR2_USE_MMU
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # _Generic
help
Keytable files and keyboard utilities.
http://kernel.org/pub/linux/utils/kbd/
comment "kbd needs a toolchain w/ gcc >= 4.9"
depends on BR2_USE_MMU
depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9