// RUN: %clangxx -O2 %s -o %t && %run %t 2>&1 | FileCheck %s

#include <stdio.h>

#if !defined(__GLIBC_PREREQ)
#define __GLIBC_PREREQ(a, b) 0
#endif

// getauxval() used instead of sysconf() in GetPageSize() is defined starting
// glbc version 2.16.
#if __GLIBC_PREREQ(2, 16)
extern "C" long sysconf(int name) {
  fprintf(stderr, "sysconf wrapper called\n");
  return 0;
}
#endif  // defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 16)

int main() {
  // All we need to check is that the sysconf() interceptor defined above was
  // not called. Should it get called, it will crash right there, any
  // instrumented code executed before sanitizer init is finished will crash
  // accessing non-initialized sanitizer internals. Even if it will not crash
  // in some configuration, it should never be called anyway.
  fprintf(stderr, "Passed\n");
  // CHECK-NOT: sysconf wrapper called
  // CHECK: Passed
  // CHECK-NOT: sysconf wrapper called
  return 0;
}

// RUN: %clangxx -O2 %s -o %t && %run %t 2>&1 | FileCheck %s

// XFAIL: android

#include <stdio.h>

// getauxval() used instead of sysconf() in GetPageSize() is defined starting
// glbc version 2.16.
#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 16)
extern "C" long sysconf(int name) {
  fprintf(stderr, "sysconf wrapper called\n");
  return 0;
}
#endif  // defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 16)

int main() {
  // All we need to check is that the sysconf() interceptor defined above was
  // not called. Should it get called, it will crash right there, any
  // instrumented code executed before sanitizer init is finished will crash
  // accessing non-initialized sanitizer internals. Even if it will not crash
  // in some configuration, it should never be called anyway.
  fprintf(stderr, "Passed\n");
  // CHECK-NOT: sysconf wrapper called
  // CHECK: Passed
  // CHECK-NOT: sysconf wrapper called
  return 0;
}

--- 
+++ 
@@ -1,12 +1,14 @@
 // RUN: %clangxx -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
-
-// XFAIL: android
 
 #include <stdio.h>
 
+#if !defined(__GLIBC_PREREQ)
+#define __GLIBC_PREREQ(a, b) 0
+#endif
+
 // getauxval() used instead of sysconf() in GetPageSize() is defined starting
 // glbc version 2.16.
-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 16)
+#if __GLIBC_PREREQ(2, 16)
 extern "C" long sysconf(int name) {
   fprintf(stderr, "sysconf wrapper called\n");
   return 0;
[asan] Fix one more test on Android.

This change makes it pass both on libstdc++ and libc++-based toolchains.

The error was:
error: function-like macro '__GLIBC_PREREQ' is not defined
                               ^

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@335936 91177308-0d34-0410-b5e6-96231b3b80d8
