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package/odhcp6c: needs gcc >= 10

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Fixes build errors seen with Gitlab pipeline and this defconfig:
support/config-fragments/autobuild/bootlin-aarch64-glibc-old.config

https://gitlab.com/bkuhls/buildroot/-/jobs/14570080455

aarch64-linux-gcc.br_real: error: unrecognized command line option
 ‘-Wimplicit-fallthrough=5’; did you mean ‘-Wno-fallthrough’?
aarch64-linux-gcc.br_real: error: unrecognized command line option
 ‘-Wshadow=local’; did you mean ‘-Wshadow-ivar’?

Removing all the unrecognized command line options from CMakeLists.txt
showed more build errors during compile:

output/build/odhcp6c-24485bb4b35ab84c17c2e87bd561d026d4c15c00/src/odhcp6c.h:47:46:
 error: expected ‘)’ before ‘__VA_OPT__’
 #define error(fmt, ...) __iflog(LOG_ERR, fmt __VA_OPT__(, ) __VA_ARGS__)

Another pipeline with gcc 9 showed other errors:
https://gitlab.com/bkuhls/buildroot/-/jobs/14570080479

/builds/bkuhls/buildroot/br-test-pkg/br-arm-basic/build/odhcp6c-24485bb4b35ab84c17c2e87bd561d026d4c15c00/src/dhcpv6.c:1126:4:
 error: a label can only be part of a statement and a declaration is not a statement
 1126 |    struct dhcpv6_auth *r = (void*)&odata[-DHCPV6_OPT_HDR_SIZE];

so we raise the minimum gcc version to 10.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Arnout Vandecappelle <arnout@rnout.be>
(cherry picked from commit f8ea3ae2a5)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
This commit is contained in:
Bernd Kuhls
2026-05-27 23:00:16 +02:00
committed by Thomas Perale
parent 2afb974ea2
commit baf285e1ec
1 changed files with 3 additions and 2 deletions
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5
package/odhcp6c/Config.in
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@@ -2,6 +2,7 @@ config BR2_PACKAGE_ODHCP6C
bool "odhcp6c"
depends on BR2_USE_MMU # fork()
depends on !BR2_STATIC_LIBS # libubox
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_10
depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libubox -> json-c
select BR2_PACKAGE_LIBUBOX
help
@@ -10,7 +11,7 @@ config BR2_PACKAGE_ODHCP6C
https://git.openwrt.org/project/odhcp6c.git
comment "odhcp6c needs a toolchain w/ dynamic library"
comment "odhcp6c needs a toolchain w/ dynamic library, gcc >= 10"
depends on BR2_USE_MMU
depends on BR2_STATIC_LIBS
depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_GCC_AT_LEAST_10
depends on BR2_TOOLCHAIN_HAS_SYNC_4