From b35a2d568a62155077252c3487a44fa988f34d80 Mon Sep 17 00:00:00 2001
From: Ian Ray <ianjray@me.com>
Date: Thu, 23 May 2013 21:03:34 +0300
Subject: [PATCH] Conditionally include sys/sysctl.h

---
 configure.ac | 2 +-
 expand.cpp   | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 34f25e1f4..31675186f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -511,7 +511,7 @@ LIBS=$LIBS_COMMON
 # Check presense of various header files
 #
 
-AC_CHECK_HEADERS([getopt.h termios.h sys/resource.h term.h ncurses/term.h ncurses.h curses.h stropts.h siginfo.h sys/select.h sys/ioctl.h execinfo.h spawn.h])
+AC_CHECK_HEADERS([getopt.h termios.h sys/resource.h term.h ncurses/term.h ncurses.h curses.h stropts.h siginfo.h sys/select.h sys/ioctl.h execinfo.h spawn.h sys/sysctl.h])
 
 if test x$local_gettext != xno; then
   AC_CHECK_HEADERS([libintl.h])
diff --git a/expand.cpp b/expand.cpp
index 74e501027..6dfa9e448 100644
--- a/expand.cpp
+++ b/expand.cpp
@@ -18,7 +18,9 @@ parameter expansion.
 #include <limits.h>
 #include <sys/param.h>
 #include <sys/types.h>
+#ifdef HAVE_SYS_SYSCTL_H
 #include <sys/sysctl.h>
+#endif
 #include <termios.h>
 #include <dirent.h>
 #include <sys/stat.h>