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-rw-r--r--m4/snprintf.m44
1 files changed, 4 insertions, 0 deletions
diff --git a/m4/snprintf.m4 b/m4/snprintf.m4
index d1c6dc8..2a84428 100644
--- a/m4/snprintf.m4
+++ b/m4/snprintf.m4
@@ -4,6 +4,8 @@ AC_MSG_CHECKING(for working snprintf)
AC_CACHE_VAL(ac_cv_have_working_snprintf,
[AC_TRY_RUN(
[#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
int main(void)
{
@@ -23,6 +25,8 @@ AC_MSG_CHECKING(for working vsnprintf)
AC_CACHE_VAL(ac_cv_have_working_vsnprintf,
[AC_TRY_RUN(
[#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <stdarg.h>
int my_vsnprintf (char *buf, const char *tmpl, ...)