diff -ru nvidia-settings-340.104/src/libXNVCtrl/Makefile nvidia-settings-340.104-patched/src/libXNVCtrl/Makefile
--- nvidia-settings-340.104/src/libXNVCtrl/Makefile	2017-09-19 18:35:55.000000000 +0200
+++ nvidia-settings-340.104-patched/src/libXNVCtrl/Makefile	2018-06-09 08:12:48.643147441 +0200
@@ -55,10 +55,17 @@
 .PHONY: clean
 
 all: $(LIBXNVCTRL)
+all: libXNVCtrl.so
 
 $(LIBXNVCTRL) : $(OBJS)
 	$(AR) ru $@ $(OBJS)
 
+libXNVCtrl.so: $(OBJS)
+	$(RM) $@ $@.*
+	$(CC) -shared -Wl,-soname=$@.0 -o $@.0.0.0 $(LDFLAGS) $^ -lXext -lX11
+	ln -s $@.0.0.0 $@.0
+	ln -s $@.0 $@
+
 # define the rule to build each object file
 $(foreach src,$(SRC),$(eval $(call DEFINE_OBJECT_RULE,TARGET,$(src))))
 
Only in nvidia-settings-340.104-patched/src/libXNVCtrl: _out
diff -ru nvidia-settings-340.104/src/Makefile nvidia-settings-340.104-patched/src/Makefile
--- nvidia-settings-340.104/src/Makefile	2017-09-19 18:35:55.000000000 +0200
+++ nvidia-settings-340.104-patched/src/Makefile	2018-06-09 08:16:48.837588597 +0200
@@ -84,6 +84,8 @@
 XNVCTRL_DIR             ?= libXNVCtrl
 XNVCTRL_MAKEFILE        ?= Makefile
 XNVCTRL_ARCHIVE         ?= $(XNVCTRL_DIR)/libXNVCtrl.a
+XNVCTRL_SHARED          ?= $(XNVCTRL_DIR)/libXNVCtrl.so.0
+XNVCTRL_LIB             ?= $(XNVCTRL_SHARED)
 XCONFIG_PARSER_DIR      ?= XF86Config-parser
 COMMON_UTILS_DIR        ?= common-utils
 COMMON_UNIX_DIR         ?= common-unix
@@ -203,9 +205,9 @@
 	$(MKDIR) $(BINDIR)
 	$(INSTALL) $(INSTALL_BIN_ARGS) $< $(BINDIR)/$(notdir $<)
 
-$(NVIDIA_SETTINGS): $(OBJS) $(XNVCTRL_ARCHIVE)
+$(NVIDIA_SETTINGS): $(OBJS) $(XNVCTRL_LIB)
 	$(call quiet_cmd,LINK) $(CFLAGS) $(LDFLAGS) $(BIN_LDFLAGS) -o $@ $(OBJS) \
-	    $(XNVCTRL_ARCHIVE) $(LIBS)
+	    $(XNVCTRL_LIB) $(LIBS)
 	$(call quiet_cmd,STRIP_CMD) $@
 
 # define the rule to build each object file
@@ -215,7 +217,7 @@
 $(eval $(call DEFINE_STAMP_C_RULE, $(OBJS),$(NVIDIA_SETTINGS_PROGRAM_NAME)))
 
 # define the rule to build $(XNVCTRL_ARCHIVE)
-$(XNVCTRL_ARCHIVE): build-xnvctrl
+$(XNVCTRL_ARCHIVE) $(XNVCTRL_SHARED): build-xnvctrl
 
 build-xnvctrl:
 	@$(MAKE) -C $(XNVCTRL_DIR) -f $(XNVCTRL_MAKEFILE)
Only in nvidia-settings-340.104-patched/src: _out