https://bugs.gentoo.org/870412
--- a/nvidia-modprobe/common-utils/msg.c
+++ b/nvidia-modprobe/common-utils/msg.c
@@ -45 +45 @@
-NvVerbosity nv_get_verbosity()
+NvVerbosity nv_get_verbosity(void)
--- a/nvidia-persistenced/common-utils/msg.c
+++ b/nvidia-persistenced/common-utils/msg.c
@@ -45 +45 @@
-NvVerbosity nv_get_verbosity()
+NvVerbosity nv_get_verbosity(void)
--- a/nvidia-persistenced/nvidia-persistenced.c
+++ b/nvidia-persistenced/nvidia-persistenced.c
@@ -502 +502 @@
-static NvPdStatus setup_rpc()
+static NvPdStatus setup_rpc(void)
--- a/nvidia-settings/src/common-unix/virtual-resolutions/nvvr.c
+++ b/nvidia-settings/src/common-unix/virtual-resolutions/nvvr.c
@@ -107 +107 @@
-const NVVRSize* NVVRGetCommonResolutions()
+const NVVRSize* NVVRGetCommonResolutions(void)
--- a/nvidia-settings/src/common-utils/msg.c
+++ b/nvidia-settings/src/common-utils/msg.c
@@ -45 +45 @@
-NvVerbosity nv_get_verbosity()
+NvVerbosity nv_get_verbosity(void)
--- a/nvidia-settings/src/gtk+-2.x/ctkslimm.c
+++ b/nvidia-settings/src/gtk+-2.x/ctkslimm.c
@@ -129 +129 @@
-GType ctk_slimm_get_type()
+GType ctk_slimm_get_type(void)
--- a/nvidia-settings/src/gtk+-2.x/ctkutils.c
+++ b/nvidia-settings/src/gtk+-2.x/ctkutils.c
@@ -251 +251 @@
-GtkWidget *ctk_combo_box_text_new_with_entry()
+GtkWidget *ctk_combo_box_text_new_with_entry(void)
--- a/nvidia-xconfig/common-utils/msg.c
+++ b/nvidia-xconfig/common-utils/msg.c
@@ -45 +45 @@
-NvVerbosity nv_get_verbosity()
+NvVerbosity nv_get_verbosity(void)