patch 8.2.3483: #ifdef for using sysinfo() is incomplete
Problem: #ifdef for using sysinfo() is incomplete.
Solution: Also check for HAVE_SYSINFO. Make autoconf check use TRY_LINK.
(closes #8952)
diff --git a/src/configure.ac b/src/configure.ac
index d417b90..bb77485 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -4113,9 +4113,10 @@
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCTL),
AC_MSG_RESULT(not usable))
-dnl sysinfo() may exist but not be Linux compatible
+dnl sysinfo() may exist but not be Linux compatible.
+dnl On some FreeBSD systems it may depend on libsysinfo, use TRY_LINK
AC_MSG_CHECKING(for sysinfo)
-AC_TRY_COMPILE(
+AC_TRY_LINK(
[#include <sys/types.h>
#include <sys/sysinfo.h>],
[ struct sysinfo sinfo;