CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

foreach (other_test
    HAVE_ATTRIBUTE
    HAVE_BUILTIN_EXPECT
    PTHREAD_BARRIER
    HAVE_SOCKLEN_T
  )

check_cxx_source_compiles("
int main() {
  return __builtin_expect(0, 1);
}" HAVE_BUILTIN_EXPECT)

foreach (other_test
      HAVE_ATTRIBUTE
      HAVE_BUILTIN_EXPECT
      SYSTEM_SCOPE_THREADS
      HAVE_SOCKLEN_T
  )

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)

CHECK_C_SOURCE_COMPILES("
int main()
{
  long l= 0;
  __builtin_expect(l, 0);
  return 0;
}" HAVE_BUILTIN_EXPECT)

check_c_source_compiles(
  "int main() { return __builtin_expect(main != 0, 1); }"
  HAVE_BUILTIN_EXPECT)