X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fspawn-viewer.h;h=4c2fe0252824b30afcfa3404cf30534c8eb6d851;hb=c922647daed3dd022be11980063b5fb816d8c091;hp=5789246821202bcff529f2288f81ab88a1b82c78;hpb=dd392e9453fb7aa5f356ed1765db72ef33150461;p=lttng-tools.git

diff --git a/src/common/spawn-viewer.h b/src/common/spawn-viewer.h
index 578924682..4c2fe0252 100644
--- a/src/common/spawn-viewer.h
+++ b/src/common/spawn-viewer.h
@@ -4,10 +4,11 @@
 /*
  * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
  *
- * SPDX-License-Identifier: GPL-2.0-only
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  */
 
+#include <lttng/lttng-export.h>
 #include <stdbool.h>
 
 /*
@@ -16,7 +17,11 @@
  * On success, this function doesn't return.
  * Returns -1 if the `opt_viewer` string or the default trace viewer can't be
  * `exec()`.
+ *
+ * This symbol was mistakenly made public before the 2.12 release. It can't
+ * be removed (but it can be stubbed-out if necessary).
  */
+extern "C" LTTNG_EXPORT
 int spawn_viewer(const char *trace_path, char *opt_viewer, bool opt_live_mode);
 
 #endif /* ifndef LTTNG_SPAWN_VIEWER_H */