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package/libde265: disable neon support for armv7m

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Buildroot commit d4b8a42fb2 bumped the
package from 1.0.16 to 1.0.18.
Upstream added optional neon support in version 1.0.17:
f22cf00a86

The configure check detects neon support:

-- Performing Test HAVE_NEON
-- Performing Test HAVE_NEON - Success

but causes a build error at linking stage:

[100%] Linking CXX executable dec265
/builds/bkuhls/buildroot/br-test-pkg/bootlin-armv7m-uclibc/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real:
 error: ../libde265/libde265.a(hevcdsp_qpel_neon.S.o):
 conflicting architecture profiles A/M

so we add a configure option to disable neon support.

The build error was not yet detected by the autobuilders but can be
reproduced using this defconfig:

BR2_arm=y
BR2_cortex_m4=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV7M_UCLIBC_STABLE=y
BR2_PACKAGE_LIBDE265=y

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Bernd Kuhls
2026-05-26 22:06:39 +02:00
committed by Peter Korsgaard
parent 38358daba9
commit f51769b7e9
1 changed files with 4 additions and 0 deletions
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4
package/libde265/libde265.mk
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@@ -16,4 +16,8 @@ ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
LIBDE265_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
endif
ifeq ($(BR2_ARM_CPU_ARMV7M):$(BR2_ARM_CPU_HAS_NEON),y:)
LIBDE265_CONF_OPTS += -DHAVE_NEON=OFF
endif
$(eval $(cmake-package))