Add AP_HAVE_C99 to make correct check for C99 less onerous

Using __STDC_VERSION__ without checking if it is defined causes warnings
on C89.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1292043 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/include/ap_config.h b/include/ap_config.h
index a560817a343eb6e179bc8d239a802c7bd17e47a5..68a3d14c85d4390d2567f6f68f5b7077dd76053b 100644 (file)
--- a/include/ap_config.h
+++ b/include/ap_config.h
@@ -211,11 +211,14 @@
 #define AP_HAVE_RELIABLE_PIPED_LOGS TRUE
 #endif
 
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#define AP_HAVE_C99
+#endif
+
 /* Presume that the compiler supports C99-style designated
  * initializers if using GCC (but not G++), or for any other compiler
  * which claims C99 support. */
-#if (defined(__GNUC__) && !defined(__cplusplus))                \
-     || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
+#if (defined(__GNUC__) && !defined(__cplusplus)) || defined(AP_HAVE_C99)
 #define AP_HAVE_DESIGNATED_INITIALIZER
 #endif
 

diff --git a/include/http_log.h b/include/http_log.h
index 66ed59ca7d95fbc8206c90991fa23fea05e98f1a..922500f1e16c9c7f01044aacab9e681c13baef6e 100644 (file)
--- a/include/http_log.h
+++ b/include/http_log.h
@@ -358,7 +358,7 @@ AP_DECLARE(void) ap_log_error(const char *file, int line, int module_index,
                               int level, apr_status_t status,
                               const server_rec *s, const char *fmt, ...);
 #else
-#if __STDC_VERSION__ >= 199901L
+#ifdef AP_HAVE_C99
 /* need additional step to expand APLOG_MARK first */
 #define ap_log_error(...) ap_log_error__(__VA_ARGS__)
 /* need server_rec *sr = ... for the case if s is verbatim NULL */
@@ -401,7 +401,7 @@ AP_DECLARE(void) ap_log_perror(const char *file, int line, int module_index,
                                int level, apr_status_t status, apr_pool_t *p,
                                const char *fmt, ...);
 #else
-#if __STDC_VERSION__ >= 199901L && defined(APLOG_MAX_LOGLEVEL)
+#if defined(AP_HAVE_C99) && defined(APLOG_MAX_LOGLEVEL)
 /* need additional step to expand APLOG_MARK first */
 #define ap_log_perror(...) ap_log_perror__(__VA_ARGS__)
 #define ap_log_perror__(file, line, mi, level, status, p, ...)            \
@@ -443,7 +443,7 @@ AP_DECLARE(void) ap_log_rerror(const char *file, int line, int module_index,
                                int level, apr_status_t status,
                                const request_rec *r, const char *fmt, ...);
 #else
-#if __STDC_VERSION__ >= 199901L
+#ifdef AP_HAVE_C99
 /* need additional step to expand APLOG_MARK first */
 #define ap_log_rerror(...) ap_log_rerror__(__VA_ARGS__)
 #define ap_log_rerror__(file, line, mi, level, status, r, ...)              \
@@ -487,7 +487,7 @@ AP_DECLARE(void) ap_log_cerror(const char *file, int line, int module_index,
                                int level, apr_status_t status,
                                const conn_rec *c, const char *fmt, ...);
 #else
-#if __STDC_VERSION__ >= 199901L
+#ifdef AP_HAVE_C99
 /* need additional step to expand APLOG_MARK first */
 #define ap_log_cerror(...) ap_log_cerror__(__VA_ARGS__)
 #define ap_log_cerror__(file, line, mi, level, status, c, ...)              \
@@ -534,7 +534,7 @@ AP_DECLARE(void) ap_log_cserror(const char *file, int line, int module_index,
                                 const conn_rec *c, const server_rec *s,
                                 const char *fmt, ...);
 #else
-#if __STDC_VERSION__ >= 199901L
+#ifdef AP_HAVE_C99
 /* need additional step to expand APLOG_MARK first */
 #define ap_log_cserror(...) ap_log_cserror__(__VA_ARGS__)
 #define ap_log_cserror__(file, line, mi, level, status, c, s, ...)  \