On Linux, if I have a .so file that has a dependency on another .so, and I `dyn.load(now=FALSE)` the first one, R seems to try to resolve the symbols immediately, causing the load to fail.
For example, I have `libtorch` installed on my HPC. Note that it links to various libs such as `libcudart.so` and `libmkl_intel_lp64.so.2` which aren't currently in my library path: ➜ ~ ldd /stornext/System/data/nvidia/libtorch-gpu/libtorch-gpu-1.12.1/lib/libtorch_cpu.so linux-vdso.so.1 => (0x00007ffcab58c000) libgomp.so.1 => /stornext/System/data/apps/gcc/gcc-11.2.0/lib64/libgomp.so.1 (0x00007f8cb22bf000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f8cb20a3000) libc10.so => /stornext/System/data/nvidia/libtorch-gpu/libtorch-gpu-1.12.1/lib/libc10.so (0x00007f8cb1e2d000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f8cb1c21000) librt.so.1 => /lib64/librt.so.1 (0x00007f8cb1a19000) libgcc_s.so.1 => /stornext/System/data/apps/gcc/gcc-11.2.0/lib64/libgcc_s.so.1 (0x00007f8cb1801000) libdl.so.2 => /lib64/libdl.so.2 (0x00007f8cb15fd000) libmkl_intel_lp64.so.2 => not found libmkl_gnu_thread.so.2 => not found libmkl_core.so.2 => not found libm.so.6 => /lib64/libm.so.6 (0x00007f8cb12fb000) libcudart.so.11.0 => not found Then in R, if I try to load that same file: > dyn.load("/stornext/System/data/nvidia/libtorch-gpu/libtorch-gpu-1.12.1/lib/libtorch_cpu.so", now=FALSE) Error in dyn.load("/stornext/System/data/nvidia/libtorch-gpu/libtorch-gpu-1.12.1/lib/libtorch_cpu.so", : unable to load shared object '/stornext/System/data/nvidia/libtorch-gpu/libtorch-gpu-1.12.1/lib/libtorch_cpu.so': libmkl_intel_lp64.so.2: cannot open shared object file: No such file or directory Is this a bug in the `dyn.load` implementation for R? If not, why is it behaving like this? What should I do about it? For reference, I'm on CentOS 7, with Linux kernel 3.10.0-1160.81.1.el7.x86_64. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.