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Fabrice Fontaine fc321efabb 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 14:45:31 +01:00
arch arch/x86: adds BR2_X86_CPU_HAS_3DNOW flag 2020-07-16 18:18:26 +02:00
board board/boundarydevices: promote buildroot-external-boundary project 2020-12-27 09:30:34 +01:00
boot boot/arm-trusted-firmware: Forward stack protection configuration 2020-12-21 15:16:12 +01:00
configs configs/beaglebone_qt5: switch to using KMS instead of wayland+weston 2020-12-21 10:56:39 +01:00
docs docs/manual: Add section about contributing to maintenance branches 2020-09-15 19:46:48 +02:00
fs fs/cpio/init: unbreak ttyname_r() on glibc after dropping /dev/console exec 2020-08-29 19:40:49 +02:00
linux {linux, linux-headers}: bump 4.{4, 9, 14, 19}.x / 5.{4, 9}.x series 2020-12-22 00:04:20 +01:00
package package/opencv3: fix build with protobuf and gcc < 6 2020-12-27 14:45:31 +01:00
support support/dependencies: clarify intended use of host bison/flex 2020-12-07 21:36:04 +01:00
system Revert "system: don't attempt swapon/swapoff in inittab if not available" 2020-02-08 20:13:07 +01:00
toolchain toolchain/toolchain-external/toolchain-external-arm-arm: add dependency on NEON 2020-11-16 16:05:34 +01:00
utils utils/scanpypi: use raw strings in re.compile/re.sub 2020-08-28 18:34:43 +02:00
.defconfig arch: remove support for sh64 2016-09-08 22:15:15 +02:00
.flake8 .flake8: fix check for 80/132 columns 2019-04-10 12:31:33 +02:00
.gitignore
.gitlab-ci.yml .gitlab-ci.yml: use python3 for flake8 run 2020-09-05 22:03:37 +02:00
.gitlab-ci.yml.in .gitlab-ci.yml: use python3 for flake8 run 2020-09-05 22:03:37 +02:00
CHANGES Update for 2020.02.8 2020-11-17 00:04:03 +01:00
Config.in Config.in: update BR2_OPTIMIZE_FAST prompt and help text 2020-07-22 13:38:51 +02:00
Config.in.legacy package/python-pycrypto: remove package 2020-05-31 22:36:03 +02:00
COPYING COPYING: add exception about patch licensing 2016-02-26 19:50:13 +01:00
DEVELOPERS DEVELOPERS: remove Thomas Davis 2020-12-22 11:49:46 +01:00
Makefile Update for 2020.02.8 2020-11-17 00:04:03 +01:00
Makefile.legacy Remove BR2_DEPRECATED 2016-10-15 23:14:45 +02:00
README README: add reference to submitting-patches 2016-02-01 19:16:08 +01:00

README 

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on Freenode IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches