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https://issues.apache.org/jira/browse/PROTON-2435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiri Daněk updated PROTON-2435:
-------------------------------
Attachment: Dockerfile
> ninja: error: '-lpthread', needed by 'c/libqpid-proton.so.11.14.0', missing
> and no known rule to make it
> --------------------------------------------------------------------------------------------------------
>
> Key: PROTON-2435
> URL: https://issues.apache.org/jira/browse/PROTON-2435
> Project: Qpid Proton
> Issue Type: Bug
> Components: build, proton-c
> Affects Versions: proton-c-0.35.0
> Reporter: Jiri Daněk
> Priority: Major
> Attachments: Dockerfile
>
>
> When building Qpid Proton on CentOS 7 in Docker, using
> {noformat}
> Step 8/9 : RUN cmake .. -GNinja -DCMAKE_INSTALL_PREFIX=/root/Work/qpid-install
> ---> Running in 290c464d8c69
> -- The C compiler identification is GNU 4.8.5
> -- Check for working C compiler using: Ninja
> -- Check for working C compiler using: Ninja -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Found OpenSSL: /usr/lib64/libssl.so;/usr/lib64/libcrypto.so (found version
> "1.0.2k")
> -- Looking for include file pthread.h
> -- Looking for include file pthread.h - found
> -- Looking for pthread_create
> -- Looking for pthread_create - not found
> -- Looking for pthread_create in pthreads
> -- Looking for pthread_create in pthreads - not found
> -- Looking for pthread_create in pthread
> -- Looking for pthread_create in pthread - found
> -- Found Threads: TRUE
> -- Could NOT find SWIG (missing: SWIG_EXECUTABLE SWIG_DIR)
> -- Found PkgConfig: /usr/bin/pkg-config (found version "0.27.1")
> -- Found CyrusSASL: /usr/lib64/libsasl2.so (found version "2.1.26")
> -- Found PythonInterp: /usr/bin/python3.6 (found suitable version "3.6.8",
> minimum required is "3.6")
> -- Found PythonLibs: /usr/lib64/libpython3.6m.so (found suitable exact
> version "3.6.8")
> -- Looking for a CXX compiler
> -- Looking for a CXX compiler - /usr/bin/c++
> -- The CXX compiler identification is GNU 4.8.5
> -- Check for working CXX compiler using: Ninja
> -- Check for working CXX compiler using: Ninja -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Build type is "RelWithDebInfo" (has debug symbols)
> -- PN_VERSION: 0.36.0 (SNAPSHOT)
> -- Looking for clock_gettime
> -- Looking for clock_gettime - found
> -- Looking for strerror_r
> -- Looking for strerror_r - found
> -- Looking for epoll_wait
> -- Looking for epoll_wait - found
> -- Building the epoll proactor
> -- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
> -- Could NOT find JsonCpp (missing: JsonCpp_LIBRARY JsonCpp_INCLUDE_DIR)
> -- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /qpid-proton/build
> Removing intermediate container 290c464d8c69
> ---> 6832cb8c68ac
> Step 9/9 : RUN ninja install
> ---> Running in 4dc6c077dce0
> ninja: error: '-lpthread', needed by 'c/libqpid-proton.so.11.14.0', missing
> and no known rule to make it
> {noformat}
> I suspect this is because {{-lpthread}} is not an actual library on disk, but
> simply an alias for {{-pthread}} gcc switch. Older CMake cannot be told to
> prefer the switch variant, and it tries the library first, which succeeds for
> the purposes of the CMake project config check.
> C.f. {{THREADS_PREFER_PTHREAD_FLAG}}, from
> https://cmake.org/cmake/help/v3.1/module/FindThreads.html
> Workaround is to build project with {{make}}.
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