cmake: Fix configure check for fall-through attribute

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

1 files changed, 4 insertions, 13 deletions

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index f06e780..93010f4 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -205,22 +205,13 @@ int main(void) {
 check_c_source_compiles("
 #define FALL_THROUGH __attribute__((fallthrough))
 
-enum direction_e {
-    UP = 0,
-    DOWN,
-};
-
 int main(void) {
-    enum direction_e key = UP;
-    int i = 10;
-    int j = 0;
+    int i = 2;
 
-    switch (key) {
-    case UP:
-        i = 5;
+    switch (i) {
+    case 0:
         FALL_THROUGH;
-    case DOWN:
-        j = i * 2;
+    case 1:
         break;
     default:
         break;