From 141cf77903764efad4238abd4cd1391260c0210d Mon Sep 17 00:00:00 2001 From: Bernd Kuhls Date: Mon, 30 Jul 2018 18:08:36 +0200 Subject: [PATCH] package/opencv3: fix aarch64 build Commit a17402e42d8c996af239cfdb536e74188d6c6245 ("opencv3: conditionally enable NEON and VFPv3 optimizations") broke the build on AArch64, because the VFPv3 optimizations are not supported by OpenCV on this architecture: https://github.com/opencv/opencv/blob/3.4/cmake/OpenCVCompilerOptimizations.cmake#L275 However BR2_ARM_CPU_HAS_VFPV3 is always true on AArch64, causing this build failure for every AArch64 build of OpenCV 3. This commit fixes that by enabling VFPV3 only on ARM, and not on AArch64. Fixes: http://autobuild.buildroot.net/results/d38fb092cffe086f93b469d1181da77fba0994bd/ Signed-off-by: Bernd Kuhls Signed-off-by: Thomas Petazzoni --- package/opencv3/opencv3.mk | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/package/opencv3/opencv3.mk b/package/opencv3/opencv3.mk index 53b771ef25..e8afa7cccf 100644 --- a/package/opencv3/opencv3.mk +++ b/package/opencv3/opencv3.mk @@ -100,8 +100,13 @@ OPENCV3_CONF_OPTS += \ # adding '-mcpu=G3 -mtune=G5' to them, which is already handled by Buildroot. OPENCV3_CONF_OPTS += \ -DENABLE_POWERPC=OFF \ - -DENABLE_NEON=$(if $(BR2_ARM_CPU_HAS_NEON),ON,OFF) \ - -DENABLE_VFPV3=$(if $(BR2_ARM_CPU_HAS_VFPV3),ON,OFF) + -DENABLE_NEON=$(if $(BR2_ARM_CPU_HAS_NEON),ON,OFF) + +ifeq ($(BR2_ARCH_IS_64):$(BR2_ARM_CPU_HAS_VFPV3),:y) +OPENCV3_CONF_OPTS += -DENABLE_VFPV3=ON +else +OPENCV3_CONF_OPTS += -DENABLE_VFPV3=OFF +endif # Cuda stuff OPENCV3_CONF_OPTS += \ -- 2.30.2