glibc/support/links-dso-program.cc

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#include <iostream>
/* makedb needs selinux dso's. */
#ifdef HAVE_SELINUX
# include <selinux/selinux.h>
#endif
using namespace std;
/* The purpose of this file is to indicate to the build system which
shared objects need to be copied into the testroot, such as gcc or
selinux support libraries. This program is never executed, only
scanned for dependencies on shared objects, so the code below may
seem weird - it's written to survive gcc optimization and force
such dependencies.
*/
int
main (int argc, char **argv)
{
/* Complexity to keep gcc from optimizing this away. */
cout << (argc > 1 ? argv[1] : "null");
#ifdef HAVE_SELINUX
/* This exists to force libselinux.so to be required. */
cout << "selinux " << is_selinux_enabled ();
#endif
return 0;
}