I'm building a shared library (VST 2.x plugin) on Linux that will be loaded using dlopen() call. I have an own test loader that loads and executes library commands without problems (dlopen(shared_library,RTLD_NOW|RTLD_GLOBAL)).
When I start a DAW program (Renoise Tracker) it loads the shared library without problems but when it tries to execute commands in the shared library / VST 2.x plugin I get the following error message: "Intel MKL FATAL ERROR: Cannot load libmkl_mc3.so or libmkl_def.so."
I tried to start renoise with LD_PRELOAD=/opt/intel/compilers_and_libraries_2017.0.098/linux/mkl/lib/intel64_lin/libmkl_def.so as suggested in some forums but I get an error: "symbol lookup error: /opt/intel/compilers_and_libraries_2017.0.098/linux/mkl/lib/intel64_lin/libmkl_def.so: undefined symbol: mkl_sparse_optimize_bsr_trsm_i8".
I link MKL shared libraries with the following command-line switches: -Wl,--no-as-needed -lmkl_intel_lp64 -lmkl_gnu_thread -lmkl_core -lgomp -lpthread -lm -ldl. And the LD_LIBRARY_PATH is set as follows: LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2017.0.098/linux/compiler/lib/intel64:/opt/intel/compilers_and_libraries_2017.0.098/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2017.0.098/linux/tbb/lib/intel64/gcc4.4:/opt/intel/compilers_and_libraries_2017.0.098/linux/compiler/lib/intel64:/opt/intel/compilers_and_libraries_2017.0.098/linux/mkl/lib/intel64
Do someone know how to fix this? I've compiled many programs with MKL and they work fine. I think Renoise either uses some special parameters when using dlopen() or sets environment so that libraries cannot be found and/or MKL tries to load some other libraries than normally. Maybe I should link shared library with some other MKL libraries too?
Other libraries in normal locations like /usr/lib seem to load and work without any problems.
