Clang does not have an "error" attribute for functions, so for marking
internal functions we need to check for the error attribute, and provide
a fallback if it is not present. For clang, we can use "diagnose_if"
attribute, similarly checking for its presence before use.
Fixes: fba5af82adc8 ("eal: add internal ABI tag definition")
Cc: haiyue.w...@intel.com
Signed-off-by: Bruce Richardson <bruce.richard...@intel.com>
---
lib/librte_eal/include/rte_compat.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/include/rte_compat.h
b/lib/librte_eal/include/rte_compat.h
index 4cd8f68d68..c30f072aa3 100644
--- a/lib/librte_eal/include/rte_compat.h
+++ b/lib/librte_eal/include/rte_compat.h
@@ -19,12 +19,18 @@ __attribute__((section(".text.experimental")))
#endif
-#ifndef ALLOW_INTERNAL_API
+#if !defined ALLOW_INTERNAL_API && __has_attribute(error) /* For GCC */
#define __rte_internal \
__attribute__((error("Symbol is not public ABI"), \
section(".text.internal")))
+#elif !defined ALLOW_INTERNAL_API && __has_attribute(diagnose_if) /* For clang
*/
+
+#define __rte_internal \
+__attribute__((diagnose_if(1, "Symbol is not public ABI", "error"), \
+section(".text.internal")))
+
#else
#define __rte_internal \
--
2.27.0
