--- configure.orig
+++ configure
@@ -8179,15 +8179,13 @@
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#include <stdio.h>
+#include <string.h>
 #include <netcdf.h>
       int main(void) {
-        char *vlib;
-        vlib = nc_inq_libvers();
-        if (strcmp(vlib, "3.0") < 0) {
-          exit(1);
+        if (strstr(nc_inq_libvers(), "3.") == NULL) {
+          return 1;
         }
-        exit(0);
+        return 0;
       }
 
 _ACEOF