Make the code build

dotnet · Jan 26, 2024 · 492ed0e · 492ed0e
1 parent c3cf1c4
commit 492ed0e
Showing 1 changed file with 4 additions and 8 deletions.
diff --git a/src/coreclr/pal/src/configure.cmake b/src/coreclr/pal/src/configure.cmake
@@ -190,21 +190,17 @@ check_cxx_symbol_exists(_SC_PHYS_PAGES unistd.h HAVE__SC_PHYS_PAGES)
 check_cxx_symbol_exists(_SC_AVPHYS_PAGES unistd.h HAVE__SC_AVPHYS_PAGES)
 
 check_c_source_compiles("
-//#if defined(__clang__) || defined(_MSC_VER)
-//int main(void) {
-//    return 0;
-//}
-//#else
 #include <stdatomic.h>
 
 int main(void) {
-#if ATOMIC_CHAR_LOCK_FREE == 2 && ATOMIC_SHORT_LOCK_FREE == 2 && ATOMIC_INT_LOCK_FREE == 2 && ATOMIC_LLONG_LOCK_FREE == 2
+#if defined(__clang__) && __has_builtin(__sync_swap) && __has_builtin(__sync_val_compare_and_swap)
+    return 0;
+#elif ATOMIC_CHAR_LOCK_FREE == 2 && ATOMIC_SHORT_LOCK_FREE == 2 && ATOMIC_INT_LOCK_FREE == 2 && ATOMIC_LLONG_LOCK_FREE == 2
     return 0;
 #else
 #error CoreCLR requires non-locking atomics
 #endif
-}
-//#endif" HAVE_LOCKFREE_ATOMICS)
+}" HAVE_LOCKFREE_ATOMICS)
 
 if(NOT HAVE_LOCKFREE_ATOMICS)
 message( FATAL_ERROR "CoreCLR requires non-locking atomics" )