Make mysqlclient dependency optional.

common/seaf-db.c

@@ -6,7 +6,9 @@
 #include "seaf-db.h"
 
 #include <stdarg.h>
+#ifdef HAVE_MYSQL
 #include <mysql.h>
+#endif
 #include <sqlite3.h>
 #include <pthread.h>
 
@@ -43,6 +45,8 @@ typedef struct DBOperations {
 
 static DBOperations db_ops;
 
+#ifdef HAVE_MYSQL
+
 /* MySQL Ops */
 static SeafDB *
 mysql_db_new (const char *host,
@@ -105,6 +109,8 @@ seaf_db_new_mysql (const char *host,
     return db;
 }
 
+#endif
+
 /* SQLite Ops */
 static SeafDB *
 sqlite_db_new (const char *db_path);
@@ -500,6 +506,8 @@ seaf_db_trans_foreach_selected_row (SeafDBTrans *trans, const char *sql,
     return ret;
 }
 
+#ifdef HAVE_MYSQL
+
 /* MySQL DB */
 
 typedef struct MySQLDB {
@@ -936,6 +944,8 @@ mysql_db_row_get_column_int64 (SeafDBRow *vrow, int idx)
     return ret;
 }
 
+#endif  /* HAVE_MYSQL */
+
 /* SQLite DB */
 
 /* SQLite thread synchronization rountines.

common/seaf-utils.c

@@ -51,6 +51,8 @@ sqlite_db_start (SeafileSession *session)
     return 0;
 }
 
+#ifdef HAVE_MYSQL
+
 #define MYSQL_DEFAULT_PORT 3306
 
 static int
@@ -124,6 +126,8 @@ mysql_db_start (SeafileSession *session)
     return 0;
 }
 
+#endif
+
 #ifdef HAVE_POSTGRESQL
 
 static int
@@ -197,9 +201,11 @@ load_database_config (SeafileSession *session)
     if (!type || strcasecmp (type, "sqlite") == 0) {
         ret = sqlite_db_start (session);
     }
+#ifdef HAVE_MYSQL
     else if (strcasecmp (type, "mysql") == 0) {
         ret = mysql_db_start (session);
     }
+#endif
 #ifdef HAVE_POSTGRESQL
     else if (strcasecmp (type, "pgsql") == 0) {
         ret = pgsql_db_start (session);

configure.ac

@@ -228,12 +228,17 @@ AC_SUBST(ZLIB_CFLAGS)
 AC_SUBST(ZLIB_LIBS)
 
 if test "x${MYSQL_CONFIG}" = "xdefault_mysql_config"; then
-    PKG_CHECK_MODULES(MYSQL, [mysqlclient])
-    AC_SUBST(MYSQL_CFLAGS)
-    AC_SUBST(MYSQL_LIBS)
+    PKG_CHECK_MODULES(MYSQL, [mysqlclient], [have_mysql="yes"], [have_mysql="no"])
+    if test "x${have_mysql}" = "xyes"; then
+        AC_SUBST(MYSQL_CFLAGS)
+        AC_SUBST(MYSQL_LIBS)
+        AC_DEFINE([HAVE_MYSQL], 1, [Define to 1 if MySQL support is enabled])
+    fi
 else
+    AC_MSG_CHECKING([for MySQL])
     MYSQL_CFLAGS=`${MYSQL_CONFIG} --include`
     MYSQL_LIBS=`${MYSQL_CONFIG} --libs`
+    AC_MSG_RESULT([${MYSQL_CFLAGS}])
     AC_SUBST(MYSQL_CFLAGS)
     AC_SUBST(MYSQL_LIBS)
 fi