---
 configure.ac           |    2 ++
 replace/bsd-snprintf.c |    2 ++
 2 files changed, 4 insertions(+)

--- a/configure.ac
+++ b/configure.ac
@@ -578,6 +578,7 @@ if test "x$ac_cv_func_snprintf" = xyes;
 	AC_RUN_IFELSE(
 		[AC_LANG_SOURCE([[
 #include <stdio.h>
+#include <stdlib.h>
 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 		]])],
 		[AC_MSG_RESULT(yes)],
@@ -601,6 +602,7 @@ if test "x$ac_cv_func_asprintf" != xyes
 		[AC_LANG_SOURCE([[
 #include <sys/types.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <stdarg.h>
 
 int x_snprintf(char *str,size_t count,const char *fmt,...)