On Thursday, 1 December 2016 at 22:05:06 UTC, Timothee Cour wrote:
I want to update a library with new symbols (ie partial recompilation):


libmylib.so : compiled from bar.d and foo.d

now update the file foo.d

dmd -c -fPIC foo.d -offoo.o

clang++ -o libmylib_update.so foo.o -shared -Wl,-lmylib

When trying to dlopen libmylib_update.so from C++ it fails with: The module 'foo' is already defined in 'libmylib.so'

(it somehow works when the dlopen is called from D)

How would I achieve that?

Have a look at what `trace -E d_executable args` and `trace -E c++_executable args`
print on startup and grep for dlopen calls and the like.

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