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https://issues.apache.org/jira/browse/MINIFICPP-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marton Szasz reassigned MINIFICPP-1334:
---------------------------------------
Assignee: Marton Szasz
> libgps raised "a different language linkage", while compiling using Clang
> 11.0.0
> --------------------------------------------------------------------------------
>
> Key: MINIFICPP-1334
> URL: https://issues.apache.org/jira/browse/MINIFICPP-1334
> Project: Apache NiFi MiNiFi C++
> Issue Type: Bug
> Affects Versions: 0.7.0
> Environment: $ clang --version
> clang version 11.0.0
> Target: x86_64-unknown-linux-gnu
> $cmake --version
> cmake version 3.16.3
> $ cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 23
> model name : Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
> Reporter: Ivan Serdyuk
> Assignee: Marton Szasz
> Priority: Blocker
>
> I was compiling on x86_64 Ubuntu 20.
> I used to define CC=clang and CXX=clang++, to build MiNiFi, using Clang.
>
>
> [ 52%] Building CXX object
> extensions/rocksdb-repos/CMakeFiles/minifi-rocksdb-repos.dir/RocksDBLoader.cpp.o
> [ 52%] Building CXX object
> extensions/rocksdb-repos/CMakeFiles/minifi-rocksdb-repos.dir/RocksDbStream.cpp.o
> [ 52%] Building CXX object
> extensions/rocksdb-repos/CMakeFiles/minifi-rocksdb-repos.dir/controllers/RocksDbPersistableKeyValueStoreService.cpp.o
> [ 52%] Building CXX object
> extensions/gps/CMakeFiles/minifi-gps.dir/GetGPS.cpp.o
> In file included from
> /media/ubuntu/5d3d053e-8b78-4052-8725-674eb332a753/nifi-minifi-cpp-main/extensions/gps/GetGPS.cpp:44:
> In file included from /usr/include/libgpsmm.h:12:
> /usr/include/gps.h:2335:15: error: declaration of 'mkgmtime' has a different
> language linkage
> extern time_t mkgmtime(struct tm *);
> ^
> /media/ubuntu/5d3d053e-8b78-4052-8725-674eb332a753/nifi-minifi-cpp-main/extensions/gps/../../libminifi/include/utils/TimeUtil.h:69:15:
> note: previous definition is here
> inline time_t mkgmtime(struct tm *date_time) {
> ^
> 1 error generated.
> make[2]: *** [extensions/gps/CMakeFiles/minifi-gps.dir/build.make:63:
> extensions/gps/CMakeFiles/minifi-gps.dir/GetGPS.cpp.o] Error 1
> make[1]: *** [CMakeFiles/Makefile2:4246:
> extensions/gps/CMakeFiles/minifi-gps.dir/all] Error 2
> make[1]: *** Waiting for unfinished jobs....
> [ 52%] Linking CXX static library libminifi-rocksdb-repos.a
> [ 52%] Linking CXX static library libcatch_main.a
> [ 52%] Built target minifi-rocksdb-repos
> [ 52%] Built target catch_main
>
> I am using this dev. package:
> $ apt info libgps-dev
> Package: libgps-dev
> Version: 3.20-8ubuntu0.2
> Priority: optional
> Section: libdevel
> Source: gpsd
> Origin: Ubuntu
>
> From the corresponding sub-folder:
> $ pwd
> .../nifi-minifi-cpp-main/build/extensions/gps
> $ make
> [ 6%] Built target zlib-external
> [ 13%] Built target ossp-uuid-external
> [ 20%] Built target yaml-cpp-external
> [ 26%] Built target libressl-portable
> [100%] Built target core-minifi
> [100%] Building CXX object
> extensions/gps/CMakeFiles/minifi-gps.dir/GetGPS.cpp.o
> In file included from
> /media/ubuntu/5d3d053e-8b78-4052-8725-674eb332a753/nifi-minifi-cpp-main/extensions/gps/GetGPS.cpp:44:
> In file included from /usr/include/libgpsmm.h:12:
> /usr/include/gps.h:2335:15: error: declaration of 'mkgmtime' has a different
> language linkage
> extern time_t mkgmtime(struct tm *);
> ^
> /media/ubuntu/5d3d053e-8b78-4052-8725-674eb332a753/nifi-minifi-cpp-main/extensions/gps/../../libminifi/include/utils/TimeUtil.h:69:15:
> note: previous definition is here
> inline time_t mkgmtime(struct tm *date_time) {
> ^
> 1 error generated.
> make[2]: *** [extensions/gps/CMakeFiles/minifi-gps.dir/build.make:63:
> extensions/gps/CMakeFiles/minifi-gps.dir/GetGPS.cpp.o] Error 1
> make[1]: *** [CMakeFiles/Makefile2:4246:
> extensions/gps/CMakeFiles/minifi-gps.dir/all] Error 2
> make: *** [Makefile:163: all] Error 2
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