eal: fix support for older gcc versions

older versions of gcc don't support the cold attribute so make its
presence conditional.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_eal/common/include/rte_debug.h b/lib/librte_eal/common/include/rte_debug.h
index 8f3ba6e..675378e 100644 (file)
--- a/lib/librte_eal/common/include/rte_debug.h
+++ b/lib/librte_eal/common/include/rte_debug.h
@@ -85,7 +85,11 @@ void rte_dump_registers(void);
  * documentation.
  */
 void __rte_panic(const char *funcname , const char *format, ...)
+#ifdef __GNUC__
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
        __attribute__((cold))
+#endif
+#endif
        __attribute__((noreturn))
        __attribute__((format(printf, 2, 3)));
 

diff --git a/lib/librte_eal/common/include/rte_log.h b/lib/librte_eal/common/include/rte_log.h
index ca7a6d2..dd61331 100644 (file)
--- a/lib/librte_eal/common/include/rte_log.h
+++ b/lib/librte_eal/common/include/rte_log.h
@@ -219,7 +219,11 @@ int rte_log_add_in_history(const char *buf, size_t size);
  *   - Negative on error.
  */
 int rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
+#ifdef __GNUC__
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
        __attribute__((cold))
+#endif
+#endif
        __attribute__((format(printf, 3, 4)));
 
 /**