From 28d4b317686fba2e667fb700df378c98e0276841 Mon Sep 17 00:00:00 2001
From: Yann Ylavic <ylavic@apache.org>
Date: Tue, 17 Oct 2017 00:08:20 +0000
Subject: [PATCH] mod_journald: work around possible use of "inline" keyword in
 systemd #include.

This fails to compile before c99, override with APR_INLINE.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1812339 13f79535-47bb-0310-9956-ffa450edef68
---
 modules/loggers/mod_journald.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/modules/loggers/mod_journald.c b/modules/loggers/mod_journald.c
index 002017eae6..6b4ced30a8 100644
--- a/modules/loggers/mod_journald.c
+++ b/modules/loggers/mod_journald.c
@@ -30,14 +30,22 @@
 #include "mpm_common.h"
 #include "mod_log_config.h"
 
-#define SD_JOURNAL_SUPPRESS_LOCATION 1
-
-#include "systemd/sd-journal.h"
-
 #if APR_HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
+/* XXX: keep this after any other #include.
+ * Some systemd versions use the "inline" keyword which is not
+ * c89/c90 compliant, so override it...
+ */
+#if defined(__STDC__) && (!defined(__STDC_VERSION__) \
+                          || __STDC_VERSION__ < 199901L)
+#undef inline
+#define inline APR_INLINE
+#endif
+#define SD_JOURNAL_SUPPRESS_LOCATION 1
+#include <systemd/sd-journal.h>
+
 #define MAX_ENTRIES 15
 
 static int journald_info_get_priority(int level)
-- 
2.50.1