selinux/*: -Wunused-parameter fixes
runsv: make it NOMMU-capable

function                                             old     new   delta
startservice                                         291     313     +22
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 22/0)               Total: 22 bytes

diff --git a/selinux/chcon.c b/selinux/chcon.c
index f00e242..288e93a 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -28,7 +28,11 @@
 static char *range = NULL;
 static char *specified_context = NULL;
 
-static int change_filedir_context(const char *fname, struct stat *stbuf, void *userData, int depth)
+static int change_filedir_context(
+		const char *fname,
+		struct stat *stbuf ATTRIBUTE_UNUSED,
+		void *userData ATTRIBUTE_UNUSED,
+		int depth ATTRIBUTE_UNUSED)
 {
 	context_t context = NULL;
 	security_context_t file_context = NULL;
@@ -121,7 +125,7 @@
 #endif
 
 int chcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int chcon_main(int argc, char **argv)
+int chcon_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	char *reference_file;
 	char *fname;
diff --git a/selinux/getenforce.c b/selinux/getenforce.c
index e11e78e..a39ce6d 100644
--- a/selinux/getenforce.c
+++ b/selinux/getenforce.c
@@ -9,7 +9,7 @@
 #include "libbb.h"
 
 int getenforce_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int getenforce_main(int argc, char **argv)
+int getenforce_main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
 	int rc;
 
diff --git a/selinux/load_policy.c b/selinux/load_policy.c
index f9aa49d..c5b0e7a 100644
--- a/selinux/load_policy.c
+++ b/selinux/load_policy.c
@@ -5,7 +5,7 @@
 #include "libbb.h"
 
 int load_policy_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int load_policy_main(int argc, char **argv)
+int load_policy_main(int argc, char **argv ATTRIBUTE_UNUSED)
 {
 	int rc;
 
diff --git a/selinux/matchpathcon.c b/selinux/matchpathcon.c
index 6de68bc..e0b374a 100644
--- a/selinux/matchpathcon.c
+++ b/selinux/matchpathcon.c
@@ -30,7 +30,7 @@
 #define OPT_VERIFY      (1<<4)  /* -V */
 
 int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int matchpathcon_main(int argc, char **argv)
+int matchpathcon_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	int error = 0;
 	unsigned opts;
diff --git a/selinux/runcon.c b/selinux/runcon.c
index 89a4b05..0f573d1 100644
--- a/selinux/runcon.c
+++ b/selinux/runcon.c
@@ -88,7 +88,7 @@
 #define OPTS_CONTEXT_COMPONENT		(OPTS_ROLE | OPTS_TYPE | OPTS_USER | OPTS_RANGE)
 
 int runcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int runcon_main(int argc, char **argv)
+int runcon_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	char *role = NULL;
 	char *range = NULL;
diff --git a/selinux/selinuxenabled.c b/selinux/selinuxenabled.c
index 114d2b6..c6e947c 100644
--- a/selinux/selinuxenabled.c
+++ b/selinux/selinuxenabled.c
@@ -8,7 +8,7 @@
 #include "libbb.h"
 
 int selinuxenabled_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int selinuxenabled_main(int argc, char **argv)
+int selinuxenabled_main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
 	return !is_selinux_enabled();
 }
diff --git a/selinux/sestatus.c b/selinux/sestatus.c
index cc17b17..43e31d4 100644
--- a/selinux/sestatus.c
+++ b/selinux/sestatus.c
@@ -159,7 +159,7 @@
 }
 
 int sestatus_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int sestatus_main(int argc, char **argv)
+int sestatus_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
 	unsigned opts;
 	const char *pol_path;
diff --git a/selinux/setfiles.c b/selinux/setfiles.c
index 905333f..02bb911 100644
--- a/selinux/setfiles.c
+++ b/selinux/setfiles.c
@@ -99,7 +99,7 @@
 #define FLAG_R               (option_mask32 & OPT_R)
 
 
-static void qprintf(const char *fmt, ...)
+static void qprintf(const char *fmt ATTRIBUTE_UNUSED, ...)
 {
 	/* quiet, do nothing */
 }
@@ -391,8 +391,11 @@
  * This function is called by recursive_action on each file during
  * the directory traversal.
  */
-static int apply_spec(const char *file,
-		      struct stat *sb, void *userData, int depth)
+static int apply_spec(
+		const char *file,
+		struct stat *sb,
+		void *userData ATTRIBUTE_UNUSED,
+		int depth ATTRIBUTE_UNUSED)
 {
 	if (!follow_mounts) {
 		/* setfiles does not process across different mount points */