1 files changed, 2 insertions, 0 deletions
diff --git a/configure b/configure
index 405e6499..1c2ad994 100755
--- a/configure
+++ b/configure
@@ -881,6 +881,8 @@ fi
 printf "Checking whether we have environ ... "
 
 cat > conftest.c <<!
+#include <stdio.h>
+
 int main(void)
 {
   extern char **environ;