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c++ Programming Glossary: librtA very simple thread pool using pthreads in C++ http://stackoverflow.com/questions/3561095/a-very-simple-thread-pool-using-pthreads-in-c lib libpthread 2.11.1.so .. 12394 Reading syms from lib librt 2.11.1.so 0x5774000 12394 Reading debug info from lib librt.. 2.11.1.so 0x5774000 12394 Reading debug info from lib librt 2.11.1.so .. 12394 .. CRC mismatch computed 0e4f4ece wanted.. 920c9bed 12394 Reading debug info from usr lib debug lib librt 2.11.1.so .. 12394 Reading syms from lib libz.so.1.2.3.3 0x597c000..
C++ boost libraries shared_memory_object undefined reference to 'shm_open' http://stackoverflow.com/questions/7985236/c-boost-libraries-shared-memory-object-undefined-reference-to-shm-open this question shm_open is made available by linking librt. Try passing lrt flag to the linker. Try g c Wall shared.cpp..
Why does the library linker flag sometimes have to go at the end using GCC? http://stackoverflow.com/questions/9417169/why-does-the-library-linker-flag-sometimes-have-to-go-at-the-end-using-gcc the end using GCC I'm writing a small C program that uses librt. I'm quite surprised that the program won't compile if I place.. to do the following it will fail to find the functions in librt gcc std gnu99 lrt o prog prog.c Yet this works with other libraries... reports undefined symbols. In your case when it processed librt it had no undefined symbols. Processing proc resulted in clock_gettime..
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