#10 use native getpagesize and getloadavg on solaris/smartos

Author: Vincent Landgraf

ext/vmstat/extconf.rb

@@ -2,9 +2,13 @@
 
 # posix.h
 have_header 'unistd.h'
-have_func 'getpagesize'
+have_func 'getpagesize', 'unistd.h'
 have_header 'stdlib.h'
-have_func 'getloadavg'
+if have_header 'sys/loadavg.h'
+  have_func 'getloadavg', 'sys/loadavg.h'
+else
+  have_func 'getloadavg'
+end
 
 # mach.h
 have_header 'mach/mach.h'

ext/vmstat/hw/posix.h

@@ -1,6 +1,8 @@
-#if defined(HAVE_UNISTD_H) && defined(HAVE_GETPAGESIZE)
+#if defined(HAVE_UNISTD_H)
 #include <unistd.h>
+#endif
 
+#if defined(HAVE_GETPAGESIZE)
 #ifndef VMSTAT_PAGESIZE
 #define VMSTAT_PAGESIZE
 VALUE vmstat_pagesize(VALUE self) {
@@ -9,7 +11,11 @@ VALUE vmstat_pagesize(VALUE self) {
 #endif
 #endif
 
-#if defined(HAVE_STDLIB_H) && defined(HAVE_GETLOADAVG)
+#if defined(HAVE_SYS_LOADAVG_H)
+#include <sys/loadavg.h>
+#endif
+
+#if defined(HAVE_GETLOADAVG)
 #ifndef VMSTAT_LOAD_AVERAGE
 #define VMSTAT_LOAD_AVERAGE
 VALUE vmstat_load_average(VALUE self) {