--- builds/posix/fbintl.vers
+++ builds/posix/fbintl.vers
@@ -29,3 +29,4 @@
 LD_lookup_texttype
 LD_setup_attributes
 LD_version
+_ZTI*
--- builds/posix/fbplugin.vers
+++ builds/posix/fbplugin.vers
@@ -26,3 +26,4 @@
 #
 
 firebird_plugin
+_ZTI*
--- builds/posix/firebird.vers
+++ builds/posix/firebird.vers
@@ -367,3 +367,4 @@
 
 KEYWORD_stringIsAToken
 KEYWORD_getTokens
+_ZTI*
--- builds/posix/make.defaults
+++ builds/posix/make.defaults
@@ -252,7 +252,7 @@
 # LINKER OPTIONS
 #
 
-UNDEF_PLATFORM = -Wl,--no-undefined
+UNDEF_PLATFORM =
 ifeq ($(TARGET),Debug)
   UNDEF_FLAGS = $(UNDEF_PLATFORM)
 endif
@@ -291,7 +291,7 @@
 LIB_LINK_MAPFILE= -Wl,--version-script,$(1)
 FIREBIRD_LIBRARY_LINK= -L$(LIB) -lfbclient $(MATHLIB)
 
-EXE_LINK_OPTIONS= $(LDFLAGS) $(THR_FLAGS) $(UNDEF_FLAGS) $(LIB_PATH_OPTS) $(LINK_EMPTY_SYMBOLS)
+EXE_LINK_OPTIONS= $(LDFLAGS) $(THR_FLAGS) $(UNDEF_FLAGS) $(LIB_PATH_OPTS)
 LIB_LINK_OPTIONS= $(LDFLAGS) $(THR_FLAGS) -shared
 
 FB_DAEMON = $(BIN)/firebird$(EXEC_EXT)
--- src/common/classes/alloc.cpp
+++ src/common/classes/alloc.cpp
@@ -2535,7 +2535,7 @@
 	const char* myStack = &probeVar;
 	const char* thisLocation = (const char*) this;
 	ptrdiff_t distance = thisLocation - myStack;
-	fb_assert(absVal(distance) < 128 * 1024);
+	//fb_assert(absVal(distance) < 128 * 1024);
 }
 #endif
 
--- src/common/os/posix/mod_loader.cpp
+++ src/common/os/posix/mod_loader.cpp
@@ -92,7 +92,7 @@
 
 ModuleLoader::Module* ModuleLoader::loadModule(ISC_STATUS* status, const Firebird::PathName& modPath)
 {
-	void* module = dlopen(modPath.nullStr(), FB_RTLD_MODE);
+	void* module = dlopen(modPath.nullStr(), FB_RTLD_MODE | RTLD_GLOBAL);
 	if (module == NULL)
 	{
		if (status)