1 files changed, 49 insertions, 0 deletions
diff --git a/pango2/pango-trace-private.h b/pango2/pango-trace-private.h
new file mode 100644
index 00000000..5ef2a5ff
--- /dev/null
+++ b/pango2/pango-trace-private.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2020 Red Hat, Inc.
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#ifdef HAVE_SYSPROF
+#include <sysprof-capture.h>
+#endif
+
+#include <glib.h>
+
+
+#ifdef HAVE_SYSPROF
+#define PANGO2_TRACE_CURRENT_TIME SYSPROF_CAPTURE_CURRENT_TIME
+#else
+#define PANGO2_TRACE_CURRENT_TIME 0
+#endif
+
+void pango2_trace_mark (gint64       begin_time,
+                        const char  *name,
+                        const char  *message_format,
+                        ...) G_GNUC_PRINTF (3, 4);
+
+#ifndef HAVE_SYSPROF
+/* Optimise the whole call out */
+#if defined(G_HAVE_ISO_VARARGS)
+#define pango2_trace_mark(b, n, m, ...) G_STMT_START { } G_STMT_END
+#elif defined(G_HAVE_GNUC_VARARGS)
+#define pango2_trace_mark(b, n, m...) G_STMT_START { } G_STMT_END
+#else
+/* no varargs macro support; the call will have to be optimised out by the compiler */
+#endif
+#endif