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package/opencv3: fix build with protobuf

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External protobuf is used instead of embedded one since commit
31c68a449e. However it fails to build on:

[ 63%] Building CXX object modules/dnn/CMakeFiles/opencv_dnn.dir/misc/caffe/opencv-caffe.pb.cc.o
In file included from /home/naourr/work/instance-0/output-1/build/opencv3-3.4.9/modules/dnn/misc/caffe/opencv-caffe.pb.cc:4:
/home/naourr/work/instance-0/output-1/build/opencv3-3.4.9/modules/dnn/misc/caffe/opencv-caffe.pb.h:17:2: error: #error This file was generated by an older version of protoc which is
   17 | #error This file was generated by an older version of protoc which is
      |  ^~~~~
/home/naourr/work/instance-0/output-1/build/opencv3-3.4.9/modules/dnn/misc/caffe/opencv-caffe.pb.h:18:2: error: #error incompatible with your Protocol Buffer headers. Please
   18 | #error incompatible with your Protocol Buffer headers.  Please
      |  ^~~~~
/home/naourr/work/instance-0/output-1/build/opencv3-3.4.9/modules/dnn/misc/caffe/opencv-caffe.pb.h:19:2: error: #error regenerate this file with a newer version of protoc.
   19 | #error regenerate this file with a newer version of protoc.
      |  ^~~~~
/home/naourr/work/instance-0/output-1/build/opencv3-3.4.9/modules/dnn/misc/caffe/opencv-caffe.pb.cc:12:10: fatal error: google/protobuf/wire_format_lite_inl.h: No such file or directory
   12 | #include <google/protobuf/wire_format_lite_inl.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fix this error by setting PROTOBUF_UPDATE_FILES to ON

Fixes:
 - http://autobuild.buildroot.org/results/219258c90709fc34748929f1dcdf4f0649215e61

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fabrice Fontaine 2020-01-13 20:57:57 +01:00 committed by Thomas Petazzoni
parent d3000df092
commit ad6a0d0d65
1 changed files with 3 additions and 1 deletions
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4
package/opencv3/opencv3.mk
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@ -282,7 +282,9 @@ OPENCV3_CONF_OPTS += -DWITH_PNG=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV3_WITH_PROTOBUF),y)
OPENCV3_CONF_OPTS += -DWITH_PROTOBUF=ON
OPENCV3_CONF_OPTS += \
-DPROTOBUF_UPDATE_FILES=ON \
-DWITH_PROTOBUF=ON
OPENCV3_DEPENDENCIES += protobuf
else
OPENCV3_CONF_OPTS += -DWITH_PROTOBUF=OFF