Fix mariadb/mysql macro confusion

[exim.git] / src / src / lookups / mysql.c

diff --git a/src/src/lookups/mysql.c b/src/src/lookups/mysql.c
index 5cf15af3a5879008587f5af0f0ca27906616babc..b5133bc0088a91ccb9cac3c9de1cc414efc2f576 100644 (file)
--- a/src/src/lookups/mysql.c
+++ b/src/src/lookups/mysql.c
@@ -14,6 +14,53 @@ functions. */
 
 #include <mysql.h>       /* The system header */
 
+/* We define symbols for *_VERSION_ID (numeric), *_VERSION_STR (char*)
+and *_BASE_STR (char*). It's a bit of guesswork. Especially for mariadb
+with versions before 10.2, as they do not define there there specific symbols.
+*/
+
+// Newer (>= 10.2) MariaDB
+#if defined                   MARIADB_VERSION_ID
+#define EXIM_MxSQL_VERSION_ID MARIADB_VERSION_ID
+
+// MySQL defines MYSQL_VERSION_ID, and MariaDB does so
+// https://dev.mysql.com/doc/refman/5.7/en/c-api-server-client-versions.html
+#elif defined                 LIBMYSQL_VERSION_ID
+#define EXIM_MxSQL_VERSION_ID LIBMYSQL_VERSION_ID
+#elif defined                 MYSQL_VERSION_ID
+#define EXIM_MxSQL_VERSION_ID MYSQL_VERSION_ID
+
+#else
+#define EXIM_MYSQL_VERSION_ID  0
+#endif
+
+// Newer (>= 10.2) MariaDB
+#ifdef                         MARIADB_CLIENT_VERSION_STR
+#define EXIM_MxSQL_VERSION_STR MARIADB_CLIENT_VERSION_STR
+
+// Mysql uses MYSQL_SERVER_VERSION
+#elif defined                  LIBMYSQL_VERSION
+#define EXIM_MxSQL_VERSION_STR LIBMYSQL_VERSION
+#elif defined                  MYSQL_SERVER_VERSION
+#define EXIM_MxSQL_VERSION_STR MYSQL_SERVER_VERSION
+
+#else
+#define EXIM_MxSQL_VERSION_STR  "N.A."
+#endif
+
+#if defined                 MARIADB_BASE_VERSION
+#define EXIM_MxSQL_BASE_STR MARIADB_BASE_VERSION
+
+#elif defined               MARIADB_PACKAGE_VERSION
+#define EXIM_MxSQL_BASE_STR "mariadb"
+
+#elif defined               MYSQL_BASE_VERSION
+#define EXIM_MxSQL_BASE_STR MYSQL_BASE_VERSION
+
+#else
+#define EXIM_MxSQL_BASE_STR  "n.A."
+#endif
+
 
 /* Structure and anchor for caching connections. */
 
@@ -432,10 +479,10 @@ return quoted;
 void
 mysql_version_report(FILE *f)
 {
-fprintf(f, "Library version: MySQL: Compile: %s [%s]\n"
-           "                        Runtime: %s\n",
-        MYSQL_SERVER_VERSION, MYSQL_COMPILATION_COMMENT,
-        mysql_get_client_info());
+fprintf(f, "Library version: MySQL: Compile: %lu %s [%s]\n"
+           "                        Runtime: %lu %s\n",
+        (long)EXIM_MxSQL_VERSION_ID, EXIM_MxSQL_VERSION_STR, EXIM_MxSQL_BASE_STR,
+        mysql_get_client_version(), mysql_get_client_info());
 #ifdef DYNLOOKUP
 fprintf(f, "                        Exim version %s\n", EXIM_VERSION_STR);
 #endif