# -exclude-all-symbols disables autoexporting all symbols *if none were found* (either in a DEF file or using __declspec(dllexport)
-LDFLAG_DLL:=-shared -exclude-all-symbols
-LDFLAG_DRIVER:=-shared --subsystem=native -exclude-all-symbols
-LDFLAG_NOSTDLIB:=-nostartfiles -nostdlib
+LDFLAG_DLL:=--shared --exclude-all-symbols
+LDFLAG_DRIVER:=--shared --subsystem=native --exclude-all-symbols
+LDFLAG_NOSTDLIB:=--nostartfiles --nostdlib
LDFLAG_CONSOLE:=--subsystem=console
LDFLAG_WINDOWS:=--subsystem=windows
LDFLAG_NATIVE:=--subsystem=native
+LDFLAG_EXCLUDE_ALL_SYMBOLS=--exclude-all-symbols
+DLLTOOL_FLAGS=--kill-at
+ifeq ($(ARCH),amd64)
+ DLLTOOL_FLAGS= --no-leading-underscore
+endif
+
#~ #(module, objs, deps, ldflags, output, def, libs, entry, base)
#(module, objs, deps, ldflags, output, def, libs, entry, base, extralibs)
define RBUILD_LINK
ifneq ($(6),)
${call RBUILD_intermediate_dir,$(5)}$$(SEP)lib${call RBUILD_name,$(5)}.a: $(6) | ${call RBUILD_intermediate_path,$(5)}
$$(ECHO_IMPLIB)
- $${dlltool} --def $(6) --kill-at --output-lib=$$@
+ $${dlltool} --def $(6) $(DLLTOOL_FLAGS) --output-lib=$$@
${call RBUILD_intermediate_dir,$(5)}$$(SEP)lib${call RBUILD_name,$(5)}.delayimp.a: $(6) | ${call RBUILD_intermediate_path,$(5)}
$$(ECHO_IMPLIB)
- $${dlltool} --def $(6) --kill-at --output-delaylib=$$@
+ $${dlltool} --def $(6) $(DLLTOOL_FLAGS) --output-delaylib=$$@
${call RBUILD_intermediate_path_noext,$(5)}.exp: $(6) | ${call RBUILD_intermediate_path,$(5)}
$$(ECHO_IMPLIB)
- $${dlltool} --def $(6) --kill-at --output-exp=$$@
+ $${dlltool} --def $(6) $(DLLTOOL_FLAGS) --output-exp=$$@
$(1)_CLEANFILES+=\
${call RBUILD_intermediate_dir,$(5)}$$(SEP)lib$(notdir $(5)).a \