Adding a couple of #if HAVE_ as described in info autoconf (Default Includes).

diff --git a/src/collectd.h b/src/collectd.h
index eb07756acb7ac319ae20c4d6b59426ec710749ff..31395a5494c9ffa78f50566043a510b57ec89782 100644 (file)
--- a/src/collectd.h
+++ b/src/collectd.h
@@ -1,22 +1,51 @@
 #ifndef COLLECTD_H
 #define COLLECTD_H
 
-#include <stdlib.h>
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <stdio.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <string.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#if HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#else
+# if HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif
+#if HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 #include <sys/wait.h>
 #include <signal.h>
-#include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <syslog.h>
 #include <limits.h>
 #include <time.h>
 
-#include "config.h"
-
 #ifndef HAVE_RRD_H
 #undef HAVE_LIBRRD
 #endif