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Fabrice Fontaine c768514db9 package/opencv3: fix build with protobuf and gcc < 6
Fix the folloing build failure with protobuf (enabled since commit
31c68a449e) and gcc 5.3.0:

[ 53%] Building CXX object modules/dnn/CMakeFiles/opencv_dnn.dir/opencv-caffe.pb.cc.o
In file included from /home/peko/autobuild/instance-1/output-1/per-package/opencv3/host/opt/ext-toolchain/mips64el-buildroot-linux-uclibc/include/c++/5.5.0/atomic:38:0,
                 from /home/peko/autobuild/instance-1/output-1/per-package/opencv3/host/mips64el-buildroot-linux-uclibc/sysroot/usr/include/google/protobuf/io/coded_stream.h:115,
                 from /home/peko/autobuild/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/modules/dnn/opencv-caffe.pb.h:23,
                 from /home/peko/autobuild/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/modules/dnn/opencv-caffe.pb.cc:4:
/home/peko/autobuild/instance-1/output-1/per-package/opencv3/host/opt/ext-toolchain/mips64el-buildroot-linux-uclibc/include/c++/5.5.0/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support \
  ^

Fixes:
 - http://autobuild.buildroot.org/results/7caf175af039054a032b8f63b458b3940d9ec0f3

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit bf96f4e8d3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2020-12-27 14:45:20 +01:00
arch arch/Config.in: add BR2_ARCH_NEEDS_GCC_AT_LEAST_10 2020-06-24 21:57:43 +02:00
board board/boundarydevices: promote buildroot-external-boundary project 2020-12-27 09:30:21 +01:00
boot boot/arm-trusted-firmware: Forward stack protection configuration 2020-12-21 15:16:08 +01:00
configs configs/beaglebone_qt5: switch to using KMS instead of wayland+weston 2020-12-21 10:54:07 +01:00
docs docs/manual: Add section about contributing to maintenance branches 2020-09-15 19:46:39 +02:00
fs fs/jffs2: copy xattrs 2020-10-10 22:52:39 +02:00
linux {linux, linux-headers}: bump 4.{4, 9, 14, 19}.x / 5.{4, 9}.x series 2020-12-22 00:02:59 +01:00
package package/opencv3: fix build with protobuf and gcc < 6 2020-12-27 14:45:20 +01:00
support support/dependencies: clarify intended use of host bison/flex 2020-12-07 21:36:00 +01:00
system system: replace nogroup with nobody 2020-07-18 14:18:33 +02:00
toolchain toolchain/toolchain-external/toolchain-external-arm-arm: add dependency on NEON 2020-11-16 16:05:22 +01:00
utils utils/scanpypi: use raw strings in re.compile/re.sub 2020-08-14 21:56:17 +02:00
.defconfig
.flake8
.gitignore
.gitlab-ci.yml gitlab-ci: update the image version 2020-08-15 09:47:00 +02:00
CHANGES Update for 2020.08.2 2020-11-16 23:13:14 +01:00
Config.in Config.in: update BR2_OPTIMIZE_FAST prompt and help text 2020-07-18 16:05:01 +02:00
Config.in.legacy toolchain/toolchain-external/toolchain-external-codesourcery-amd64: remove package 2020-08-24 23:35:19 +02:00
COPYING
DEVELOPERS DEVELOPERS: remove Thomas Davis 2020-12-22 11:49:57 +01:00
Makefile Update for 2020.08.2 2020-11-16 23:13:14 +01:00
Makefile.legacy
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