Re: Dynamic loading problem: My app can load fancy shared objects
written in C, but it fails if they were written in C++
On Sep 27, 10:41 pm, Ramon F Herrera <ra...@conexus.net> wrote:
I have an app which dynamically loads lots of plugins (*.so files)
which contain Oracle stuff and are written in C. Being a recent C++
convert (huge fan!), I decided to add some modules written in C++.
Much to my surprise the dynamic loading fails, even for the simplest
This is the relevant code:
handle = dlopen((mod_dir + "/" + filename).c_str(), RTLD_NOW); // This
function = dlsym(handle, "function_name"); // This fails
Fortunately, there is a dlerror() function which allows me to diagnose
the 1st. statement above, but I don't know how to diagnose problems
with the 2nd. statement.
ps: this is the C++ module that I have failed to load:
int i = 123;
In case, it matters, this is the way my *.so files are built:
g++ -shared -fpic -L/usr/local/lib -lboost_regex -lboost_date_time
I have tried removing the Boost dependencies.
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