Comments (18)
kloczek
commented on August 28, 2024
1
In my case I had disabled the testing -DENABLE_TESTING=OFF and the source got compiled well and has generated the libs, not sure why the example code is not able to compile and displaying undefined reference error
But this is nothing more than just swiping dust under the carpet 😋
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kloczek
commented on August 28, 2024
This is not about example programs but when source code is configured with -D ENABLE_TESTING=ON
Have the same issue:
[ 98%] Linking CXX executable ../../../bin/prometheus_push_internal_test
cd /home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/x86_64-redhat-linux-gnu/push/tests/internal && /usr/bin/cmake -E cmake_link_script CMakeFiles/prometheus_push_internal_test.dir/link.txt --verbose=1
/usr/bin/g++ -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -g -grecord-gcc-switches -pipe -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fdata-sections -ffunction-sections -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -flto=auto -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -Wall -Werror=format-security -fno-rtti -DNDEBUG -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--gc-sections -Wl,--as-needed -Wl,--build-id=sha1 -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-z,pack-relative-relocs -flto=auto -fuse-linker-plugin CMakeFiles/prometheus_push_internal_test.dir/label_encoder_test.cc.o -o ../../../bin/prometheus_push_internal_test -Wl,-rpath,/home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/x86_64-redhat-linux-gnu/lib /usr/lib64/libgmock_main.so.1.14.0 ../../../lib/libprometheus-cpp-push.so.1.2.0 ../../../lib/libprometheus-cpp-core.so.1.2.0 /usr/lib64/libgmock.so.1.14.0 /usr/lib64/libgtest.so.1.14.0
/usr/bin/ld: /tmp/ccepa2St.ltrans0.ltrans.o: in function `prometheus::(anonymous namespace)::LabelEncoderTest_unicode_Test::TestBody()':
/home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/push/tests/internal/label_encoder_test.cc:15:(.text._ZN10prometheus12_GLOBAL__N_129LabelEncoderTest_unicode_Test8TestBodyEv+0x274): undefined reference to `prometheus::detail::encodeLabel(std::ostream&, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const&)'
/usr/bin/ld: /tmp/ccepa2St.ltrans0.ltrans.o: in function `prometheus::(anonymous namespace)::LabelEncoderTest_path_Test::TestBody()':
/home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/push/tests/internal/label_encoder_test.cc:15:(.text._ZN10prometheus12_GLOBAL__N_126LabelEncoderTest_path_Test8TestBodyEv+0x237): undefined reference to `prometheus::detail::encodeLabel(std::ostream&, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const&)'
/usr/bin/ld: /tmp/ccepa2St.ltrans0.ltrans.o: in function `prometheus::(anonymous namespace)::LabelEncoderTest_empty_Test::TestBody()':
/home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/push/tests/internal/label_encoder_test.cc:15:(.text._ZN10prometheus12_GLOBAL__N_127LabelEncoderTest_empty_Test8TestBodyEv+0x226): undefined reference to `prometheus::detail::encodeLabel(std::ostream&, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const&)'
/usr/bin/ld: /tmp/ccepa2St.ltrans0.ltrans.o: in function `prometheus::(anonymous namespace)::LabelEncoderTest_regular_Test::TestBody()':
/home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.1/push/tests/internal/label_encoder_test.cc:15:(.text._ZN10prometheus12_GLOBAL__N_129LabelEncoderTest_regular_Test8TestBodyEv+0x239): undefined reference to `prometheus::detail::encodeLabel(std::ostream&, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const&)'
collect2: error: ld returned 1 exit status
make[2]: *** [push/tests/internal/CMakeFiles/prometheus_push_internal_test.dir/build.make:105: bin/prometheus_push_internal_test] Error 1from prometheus-cpp.
captKBK
commented on August 28, 2024
In my case I had disabled the testing -DENABLE_TESTING=OFF and the source got compiled well and has generated the libs, not sure why the example code is not able to compile and displaying undefined reference error
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gjasny
commented on August 28, 2024
@kloczek Your issue is a different one and fixed with v1.2.1 (see #687)
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gjasny
commented on August 28, 2024
@captKBK could you please run:
nm -C /root/prometheus_poc/prometheus_libs/lib64/libprometheus-cpp-pull.a | grep 'Exposer::Exposer'
to see the defined symbols? Your test_prometheus.cpp wants a std::__cxx11::basic_string string (note the __cxx11). I wonder what the prometheus-cpp-pull lib defines.
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gjasny
commented on August 28, 2024
Did you try the latest 1.2.1 version?
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captKBK
commented on August 28, 2024
Hi @gjasny
I tried the above command
Here is the output,
I have generated shared libraries files,
[root@localhost cppApp]# nm -C /root/prometheus_poc/prometheus_libs/lib64/libprometheus-cpp-pull.so | grep 'Exposer::Exposer'
000000000002f00e T prometheus::Exposer::Exposer(std::string const&, unsigned long, CivetCallbacks const*)
000000000002f1ce T prometheus::Exposer::Exposer(std::vector<std::string, std::allocatorstd::string >, CivetCallbacks const*)
000000000002f00e T prometheus::Exposer::Exposer(std::string const&, unsigned long, CivetCallbacks const*)
000000000002f1ce T prometheus::Exposer::Exposer(std::vector<std::string, std::allocatorstd::string >, CivetCallbacks const*)
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kloczek
commented on August 28, 2024
Did you try the latest 1.2.1 version?
If you will look one more time on output which I've provided you can find that it was generated on building exactly that version.
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gjasny
commented on August 28, 2024
@captKBK It looks like your prometheus-cpp-pull lib was compiled with _GLIBCXX_USE_CXX11_ABI=0 and your test case with _GLIBCXX_USE_CXX11_ABI=1. To be fully sure please omit the -C argument from the nm command and also use nm on test_prometheus.o. If the defined and used Exposer::Exposer constructor differ in the unmangled form we know for sure that _GLIBCXX_USE_CXX11_ABI is the culprit.
Theoretically the error will vanish if you run:
scl enable devtolset-11 -- g++ -std=c++11 -o prom.exe test_prometheus.cpp -I/root/prometheus_poc/prometheus_libs/include -L/root/prometheus_poc/prometheus_libs/lib64/ -lprometheus-cpp-pull -lprometheus-cpp-core -lz
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gjasny
commented on August 28, 2024
Are you using GCC 11 from devtoolset-11?
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kloczek
commented on August 28, 2024
Are you using GCC 11 from devtoolset-11?
I'm using devel snapshot of the gcc 14,x which is now available in fedora rawhide.
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gjasny
commented on August 28, 2024
@kloczek and your distribution is also fedora rawhide?
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gjasny
commented on August 28, 2024
@kloczek Please test v1.2.2. I forgot to release a new version with the build fix. Sorry about that.
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kloczek
commented on August 28, 2024
Just tested 1.2.2 and now all looks good and it passes test suite as well😄
+ cd prometheus-cpp-1.2.2
+ /usr/bin/ctest --test-dir x86_64-redhat-linux-gnu --output-on-failure --force-new-ctest-process -j48
Internal ctest changing into directory: /home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.2/x86_64-redhat-linux-gnu
Test project /home/tkloczko/rpmbuild/BUILD/prometheus-cpp-1.2.2/x86_64-redhat-linux-gnu
Start 1: prometheus_core_test
Start 2: prometheus_util_test
Start 3: prometheus_pull_integration_test
Start 4: prometheus_pull_test
Start 5: prometheus_push_internal_test
1/5 Test #2: prometheus_util_test ............... Passed 0.01 sec
2/5 Test #5: prometheus_push_internal_test ...... Passed 0.01 sec
3/5 Test #1: prometheus_core_test ............... Passed 1.30 sec
4/5 Test #4: prometheus_pull_test ............... Passed 2.01 sec
5/5 Test #3: prometheus_pull_integration_test ... Passed 28.12 sec
100% tests passed, 0 tests failed out of 5@kloczek Please test v1.2.2. I forgot to release a new version with the build fix. Sorry about that.
Thing happens .. you don't need to say sorry as your rection was instant 😋
Thank you very much👍
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captKBK
commented on August 28, 2024
Are you using GCC 11 from devtoolset-11?
@gjasny No I have compiled it from source on my machine
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kloczek
commented on August 28, 2024
@kloczek and your distribution is also fedora rawhide?
Almost 100% in case of most of the packages however I'm still I need to finish clean gcc so this is why I'm using gcc from rawhide.
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gjasny
commented on August 28, 2024
@captKBK you probably compiled prometheus-cpp with a different compiler than you used for your test_prometheus.cpp. If you use the same one the error will vanish.
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captKBK
commented on August 28, 2024
@gjasny Yes that worked, I found root cause, gcc 4.8 was still existing in my machine and while compiling prometheus-cpp it was considering gcc 4.8 and not 11.2, I removed it and recompiled the prometheus-cpp source, it worked fine. Thanks for the help!
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