cmake/TestPipes.cpp

   1 #ifdef __CYGWIN__
   2     /* Pipes need POSIX things, not just std ones */
   3     #define _POSIX_C_SOURCE 200809L
   4 #endif
   5 #include <stdio.h>
   6
   7 int
   8 main()
   9 {
  10   FILE *fp;
  11
  12   fp = popen("/tmp/xyz","r");
  13   return (fp==NULL);
  14 }