lib: work around forward reference to enum types

Exported header files used by applications should allow the strictest
compiler flags. Language extensions used in many places must be explicitly
marked or removed to avoid warnings and compilation failures.

This commit prevents the following errors:

 error: ISO C forbids forward references to `enum' types

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/lib/librte_eal/common/include/generic/rte_cpuflags.h b/lib/librte_eal/common/include/generic/rte_cpuflags.h
index c1da357..71321f3 100644 (file)
--- a/lib/librte_eal/common/include/generic/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/generic/rte_cpuflags.h
@@ -44,6 +44,7 @@
 /**
  * Enumeration of all CPU features supported
  */
+__extension__
 enum rte_cpu_flag_t;
 
 /**
@@ -55,6 +56,7 @@ enum rte_cpu_flag_t;
  *     flag name
  *     NULL if flag ID is invalid
  */
+__extension__
 const char *
 rte_cpu_get_flag_name(enum rte_cpu_flag_t feature);
 
@@ -68,6 +70,7 @@ rte_cpu_get_flag_name(enum rte_cpu_flag_t feature);
  *     0 if flag is not available
  *     -ENOENT if flag is invalid
  */
+__extension__
 int
 rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature);