suppress "unused parameter" warning during ./configure

diff --git a/configure.ac b/configure.ac
index 48bc28e20db3dfb6c71188e8ba5733e5d7901f76..79619e949fa8bea4584dab2df47fce03cc6539a3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3124,6 +3124,7 @@ cat > conftest.$ac_ext <<EOF
 #include "confdefs.h"
 #include "assert.h"
 int main(int argc, char **argv) {
+(void)argv;
 assert(argc);
 ; return 0; }
 EOF