make convert_imageset_and_flow.cpp failed

[whrljt]

In file included from ./include/thirdparty/CImg/CImg.h:361:0,
from tools/convert_imageset_and_flow.cpp:38:
tools/convert_imageset_and_flow.cpp: In function ‘int main(int, char**)’:
tools/convert_imageset_and_flow.cpp:373:14: error: expected unqualified-id before ‘int’
leveldb::Status status = leveldb::DB::Open(options, argv[arg_offset+2], &db);
^
In file included from tools/convert_imageset_and_flow.cpp:18:0:
tools/convert_imageset_and_flow.cpp:374:11: error: ‘status’ was not declared in this scope
CHECK(status.ok()) << "Failed to open leveldb " << argv[arg_offset+2];
^
tools/convert_imageset_and_flow.cpp:374:11: note: suggested alternatives:
In file included from /usr/include/boost/filesystem.hpp:17:0,
from ./include/caffe/util/io.hpp:4,
from tools/convert_imageset_and_flow.cpp:36:
/usr/include/boost/filesystem/operations.hpp:396:15: note: ‘boost::filesystem::status’
file_status status(const path& p, system::error_code& ec)
^
/usr/include/boost/filesystem/operations.hpp:320:17: note: ‘boost::filesystem::detail::status’
file_status status(const path&p, system::error_code* ec=0);
^
Makefile:581: recipe for target '.build_release/tools/convert_imageset_and_flow.o' failed
make: *** [.build_release/tools/convert_imageset_and_flow.o] Error 1
make: *** 正在等待未完成的任务....

---

I have tried to compile this code in ubuntu 16.04 with cuda 8.0 and gcc 5, this error happened, and I have no idea how to solve it? please help me , thank you!

[nikolausmayer]

Might be an issue with leveldb in which case running a system update might help.
What's the output of apt-cache policy libleveldb-dev | grep "Installed"?

[whrljt]

Thank you for replying. I run 'apt-cache policy libleveldb-dev | grep "Installed"' in my terminal, and the output of it is nothing. Is there something wrong?

[nikolausmayer]

Ah sorry, you might be on another OS language. Just run apt-cache policy libleveldb-dev.

[whrljt]

libleveldb-dev:
已安装：1.18-5
候选： 1.18-5
版本列表：
*** 1.18-5 500
500 http://cn.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status

[nikolausmayer]

Hm, that's fine. Can you please run VERBOSE=1 make tools and post the entire output?

[whrljt]

CXX tools/compute_image_mean.cpp
tools/compute_image_mean.cpp:11:34: fatal error: caffe/proto/caffe.pb.h: 没有那个文件或目录
compilation terminated.
Makefile:581: recipe for target '.build_release/tools/compute_image_mean.o' failed
make: *** [.build_release/tools/compute_image_mean.o] Error 1

Thank you! And '没有那个文件或目录' means 'There is no such file or directory'.

[nikolausmayer]

Thanks for the translation ;)
This looks like the initial compilation of caffe.pb.h had already failed. Does make all succeed?

[whrljt]

CXX .build_release/src/caffe/proto/caffe.pb.cc
CXX tools/compute_image_mean.cpp

These two all can be compiled successfully. It seem just convert_imageset_and_flow.cpp and convert_imageset_and_disparity.cpp will fail with the same issue.

[whrljt]

And I have install another caffe before, is it an influence?

[nikolausmayer]

If your environment variables and paths do not include anything from your previous Caffe installation, it should not be a problem. But I am a little confused.
Your first error message suggests a leveldb error, but your installed version is ok. Are you using a different (local) leveldb installation?
Your second message looks like caffe.pb.h is not available. But your last message show that it builds without a problem (and compute_image_mean builds as well which depends on caffe.pb.h).

In any case, you do not need the tools folder unless you want to create your own datasets for training or testing. Maybe leaving that out is an option for you?

[whrljt]

Sorry for don't say it clearly. The first leveldb error is the result of running 'make all' , and compute_image_mean can builds without problem. The caffe.pb.h error is the result of running 'VERBOSE=1 make tools', I also don't why this two kinds of error occurred.
Need I try to uninstall leveldb and install is again?
And I will try to remove this two cpp, thank you for your comments very much!

[nikolausmayer]

I also don't really understand why make tools should generate a different error, since it is already in make -j5 all tools pycaffe which the README recommends.

I don't think you need to reinstall leveldb (but you can try it, of course!). Your installed version is ok, it's also the one used in https://github.com/lmb-freiburg/flownet2-docker. But if you have another leveldb installation somewhere, that might interfere.

Sorry, but I can't really help any more here.

[whrljt]

You have helped me a lot. Thank you very much.