> Should it still be the compilation setting issue, when compiling my library > or compiling FFmpeg?
When you do the final link, are you using the C or C++ compiler? You need to use the C++ one. So: 1. C++ etc to make the library 2. cc -c your_files.c 3. C++ -llibrary your_files.o In these errors: > .../binutils/2.25/centos6-native/da39a3e/bin/ld: > .../mylibrary/0.1/gcc-4.9-glibc-2.20/80414d5/lib/libmylibrary.a(mylibrary_file.cpp.o): > undefined reference to symbol '_ZdlPv@@GLIBCXX_3.4' > .../libgcc/4.9.x/gcc-4.9-glibc-2.20/024dbc3/lib/libstdc++.so: error adding > symbols: DSO missing from command line “glibcxx” suggests it’s missing the C++ support library, like if you’re linking with cc instead of c++ compiler. And sorry about dropping the tar on the list earlier, I thought I was replying off list. My bad. Perette
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