7 files changed, 3 insertions, 10 deletions
diff --git a/src/misc/get_current_dir_name.c b/src/misc/get_current_dir_name.c
index e0f463b5..8576df2c 100644
--- a/src/misc/get_current_dir_name.c
+++ b/src/misc/get_current_dir_name.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
diff --git a/src/misc/getgrouplist.c b/src/misc/getgrouplist.c
index 63557afe..c9a8f090 100644
--- a/src/misc/getgrouplist.c
+++ b/src/misc/getgrouplist.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <grp.h>
 #include <string.h>
 #include <limits.h>
diff --git a/src/misc/getrusage.c b/src/misc/getrusage.c
index a5cbd757..0aaf0ac7 100644
--- a/src/misc/getrusage.c
+++ b/src/misc/getrusage.c
@@ -1,5 +1,4 @@
 #include <sys/resource.h>
-#include <string.h>
 #include "syscall.h"
 
 int getrusage(int who, struct rusage *ru)
diff --git a/src/misc/initgroups.c b/src/misc/initgroups.c
index 545d1859..922a9581 100644
--- a/src/misc/initgroups.c
+++ b/src/misc/initgroups.c
@@ -1,11 +1,7 @@
-#include <sys/types.h>
-#include <unistd.h>
+#define _GNU_SOURCE
 #include <grp.h>
 #include <limits.h>
 
-int getgrouplist(const char *, gid_t, gid_t *, int *);
-int setgroups(size_t, const gid_t *);
-
 int initgroups(const char *user, gid_t gid)
 {
 	gid_t groups[NGROUPS_MAX];
diff --git a/src/misc/nftw.c b/src/misc/nftw.c
index 63d6aff5..b2e84bca 100644
--- a/src/misc/nftw.c
+++ b/src/misc/nftw.c
@@ -2,8 +2,6 @@
 #include <dirent.h>
 #include <sys/stat.h>
 #include <errno.h>
-#include <stdlib.h>
-#include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
 #include <limits.h>
diff --git a/src/misc/syslog.c b/src/misc/syslog.c
index ba9cc62b..1cd61ce4 100644
--- a/src/misc/syslog.c
+++ b/src/misc/syslog.c
@@ -1,7 +1,6 @@
 #include <stdarg.h>
 #include <sys/socket.h>
 #include <stdio.h>
-#include <fcntl.h>
 #include <unistd.h>
 #include <syslog.h>
 #include <time.h>
diff --git a/src/misc/uname.c b/src/misc/uname.c
index 46db90d3..55ea3420 100644
--- a/src/misc/uname.c
+++ b/src/misc/uname.c
@@ -1,5 +1,4 @@
 #include <sys/utsname.h>
-#include <string.h>
 #include "syscall.h"
 
 int uname(struct utsname *uts)