> Rolf Eike Beer wrote: > >>> I'm not certain that's correct though. Those flags don't seem to be >>> used >>> when I build. I also don't know what those flags do. >>> >>> Linking CXX executable exec >>> /home/stephen/dev/qt48/kde/bin/cmake -E cmake_link_script >>> CMakeFiles/exec.dir/link.txt --verbose=1 >>> /usr/lib/icecc/bin/c++ CMakeFiles/exec.dir/main.cpp.o -o exec - >>> rdynamic lib/liblibC.so >>> -Wl,-rpath,/home/stephen/cmaketest/test19/build/lib >>> -Wl,-rpath-link,/home/stephen/cmaketest/test19/build/lib >>> CMakeFiles/exec.dir/main.cpp.o:main.cpp:function main: error: undefined >>> reference to 'classB::classB()' >>> collect2: ld returned 1 exit status >>> make[2]: *** [exec] Error 1 >>> make[2]: Leaving directory `/home/stephen/cmaketest/test19/build' >> >> Maybe this is just the default setting for your binutils. Try >> LDFLAGS=-Wl,--copy-dt-needed-entries,-no-as-needed and see what happens. >> I >> bet this will change the behavior on your system. > > ld now gives a new error: > > /usr/bin/ld: error: --copy-dt-needed-entries is not supported but is > required for liblibA.so in lib/liblibC.so > > Here's a more complete fragment: > > Linking CXX executable exec > /home/stephen/dev/qt48/kde/bin/cmake -E cmake_link_script > CMakeFiles/exec.dir/link.txt --verbose=1 > /usr/lib/icecc/bin/c++ -Wl,--copy-dt-needed-entries,-no-as-needed > CMakeFiles/exec.dir/main.cpp.o -o exec -rdynamic lib/liblibC.so -Wl,- > rpath,/home/stephen/cmaketest/test19/build/lib -Wl,-rpath- > link,/home/stephen/cmaketest/test19/build/lib > /usr/bin/ld: error: --copy-dt-needed-entries is not supported but is > required for liblibA.so in lib/liblibC.so > CMakeFiles/exec.dir/main.cpp.o:main.cpp:function main: error: undefined > reference to 'classB::classB()' > collect2: ld returned 1 exit status > > I also ran ctest -V -R target_link_librares with those flags and many more > tests failed. > > I have no idea what those flags do, so I don't know if that new error is a > lead.
This may be new in my binutils version. Can you just try LDFLAGS=-Wl,-no-as-needed? Eike -- Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Follow this link to subscribe/unsubscribe: http://public.kitware.com/cgi-bin/mailman/listinfo/cmake-developers
