Add a configure script check for sysinfo support.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@61557 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure.ac

@@ -324,6 +324,15 @@ CFLAGS="${saved_CFLAGS}"
 AC_SUBST(GC_CFLAGS)
 AC_SUBST(GC_LDFLAGS)
 
+AC_MSG_CHECKING(for sysinfo)
+AC_LINK_IFELSE(
+        AC_LANG_PROGRAM([#include <sys/sysinfo.h>],
+                        [struct sysinfo sys_info;]),
+        AC_MSG_RESULT(yes)
+        AC_DEFINE([HAVE_SYSINFO], 1, [Define to 1 if your system has sysinfo support]),
+        AC_MSG_RESULT(no)
+)
+
 AC_MSG_CHECKING(for res_ninit)
 AC_LINK_IFELSE(
 	AC_LANG_PROGRAM([#include <resolv.h>],

include/asterisk/autoconfig.h.in

@@ -504,6 +504,9 @@
 /* Define to indicate the ${SUPPSERV_DESCRIP} library version */
 #undef HAVE_SUPPSERV_VERSION
 
+/* Define to 1 if your system has sysinfo support */
+#undef HAVE_SYSINFO
+
 /* Define to 1 if you have the <syslog.h> header file. */
 #undef HAVE_SYSLOG_H
 
@@ -742,6 +745,9 @@
 #ifndef _POSIX_PTHREAD_SEMANTICS
 # undef _POSIX_PTHREAD_SEMANTICS
 #endif
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
 
 /* Define like PROTOTYPES; this can be used by system headers. */
 #undef __PROTOTYPES