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package/bash: fix build with host GCC 15

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bash uses K&R function declarations which have been removed in C23.

Since part of the build process (like the mkbuiltins helper) is written
in C, building bash now fails on hosts with GCC 15 (which defaults to
C23).

Since properly fixing this on the source code level is a larger
endeavor, just set the C standard to an old enough version for now.

Signed-off-by: Florian Larysch <fl@n621.de>
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Florian Larysch
2025-05-07 20:53:07 +02:00
committed by Julien Olivain
parent 30cf5a0754
commit 6d09b25d08
1 changed files with 4 additions and 0 deletions
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4
package/bash/bash.mk
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@@ -26,6 +26,10 @@ BASH_CONF_ENV += \
bash_cv_func_sigsetjmp=present \
bash_cv_printf_a_format=yes
ifeq ($(BR2_HOST_GCC_AT_LEAST_15),y)
BASH_CONF_ENV += CFLAGS_FOR_BUILD="$(HOST_CFLAGS) -std=gnu17"
endif
# The static build needs some trickery
ifeq ($(BR2_STATIC_LIBS),y)
BASH_CONF_OPTS += --enable-static-link