configure: Avoid implicit declaration of exit, strcmp in snprintf probes

Future compilers will not support implicit function declarations by
default, so add the additional #include directives for the appropriate
function prototypes.

1 files changed, 4 insertions, 0 deletions

diff --git a/configure b/configure
index 0bac199..51096de 100755
--- a/configure
+++ b/configure
@@ -15111,6 +15111,8 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 int main(void)
 {
@@ -15150,6 +15152,8 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <stdarg.h>
 
 int my_vsnprintf (char *buf, const char *tmpl, ...)