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-rw-r--r--procps/free.c3
-rw-r--r--procps/ps.c3
-rw-r--r--procps/uptime.c4
3 files changed, 10 insertions, 0 deletions
diff --git a/procps/free.c b/procps/free.c
index ca753134c..47f2fc3b2 100644
--- a/procps/free.c
+++ b/procps/free.c
@@ -22,6 +22,9 @@
//usage: "Total: 386144 257128 129016\n"
#include "libbb.h"
+#ifdef __linux__
+# include <sys/sysinfo.h>
+#endif
struct globals {
unsigned mem_unit;
diff --git a/procps/ps.c b/procps/ps.c
index 7537118f6..dcc0f7bd4 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -62,6 +62,9 @@ enum { MAX_WIDTH = 2*1024 };
#if ENABLE_DESKTOP
+#ifdef __linux__
+# include <sys/sysinfo.h>
+#endif
#include <sys/times.h> /* for times() */
#ifndef AT_CLKTCK
# define AT_CLKTCK 17
diff --git a/procps/uptime.c b/procps/uptime.c
index 1a7da46a3..74323625d 100644
--- a/procps/uptime.c
+++ b/procps/uptime.c
@@ -25,6 +25,10 @@
//usage: " 1:55pm up 2:30, load average: 0.09, 0.04, 0.00\n"
#include "libbb.h"
+#ifdef __linux__
+# include <sys/sysinfo.h>
+#endif
+
#ifndef FSHIFT
# define FSHIFT 16 /* nr of bits of precision */