Remove usage of RTLD_DEEPBIND and add PIC (#1554)

src/CMakeLists.txt

@@ -53,7 +53,10 @@ set_target_properties(memgraph PROPERTIES
         OUTPUT_NAME "memgraph-${MEMGRAPH_VERSION}_${CMAKE_BUILD_TYPE}"
 
         # Output the executable in main binary dir.
-        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
+        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
+
+        POSITION_INDEPENDENT_CODE ON
+        )
 
 # Create symlink to the built executable.
 add_custom_command(TARGET memgraph POST_BUILD

src/memgraph.cpp

@@ -163,7 +163,7 @@ int main(int argc, char **argv) {
         // libstd.
         auto gil = memgraph::py::EnsureGIL();
         // NOLINTNEXTLINE(hicpp-signed-bitwise)
-        auto *flag = PyLong_FromLong(RTLD_NOW | RTLD_DEEPBIND);
+        auto *flag = PyLong_FromLong(RTLD_NOW);
         auto *setdl = PySys_GetObject("setdlopenflags");
         MG_ASSERT(setdl);
         auto *arg = PyTuple_New(1);

src/query/procedure/module.hpp

@@ -169,7 +169,7 @@ class ModuleRegistry final {
   // mentioned library will be first performed in the already existing binded
   // libraries and then the global namespace.
   // RTLD_DEEPBIND => https://linux.die.net/man/3/dlopen
-  SharedLibraryHandle libstd_handle{"libstdc++.so.6", RTLD_NOW | RTLD_LOCAL | RTLD_DEEPBIND, kLibstdcppWarning};
+  SharedLibraryHandle libstd_handle{"libstdc++.so.6", RTLD_NOW | RTLD_LOCAL, kLibstdcppWarning};
 #endif
   std::vector<std::filesystem::path> modules_dirs_;
   std::filesystem::path internal_module_dir_;