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-rw-r--r--package/json-c/Config.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/package/json-c/Config.in b/package/json-c/Config.in
index 67348fb51c..4df44a96ab 100644
--- a/package/json-c/Config.in
+++ b/package/json-c/Config.in
@@ -1,5 +1,7 @@
config BR2_PACKAGE_JSON_C
bool "json-c"
+ # uses __sync_val_compare_and_swap_4
+ depends on BR2_TOOLCHAIN_HAS_SYNC_4
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JSON-C - A JSON implementation in C