1 files changed, 36 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_utildefines_variadic.h b/intern/ghost/intern/GHOST_utildefines_variadic.h
new file mode 100644
index 00000000000..4ee306a27b2
--- /dev/null
+++ b/intern/ghost/intern/GHOST_utildefines_variadic.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bli
+ */
+
+/* NOTE: copied from `BLI_utildefines_variadic.h` which would be a bad-level include. */
+
+/* Over wrapped args. */
+/* clang-format off */
+
+/* --- internal helpers --- */
+#define _VA_NARGS_GLUE(x, y) x y
+#define _VA_NARGS_RETURN_COUNT(\
+  _1_, _2_, _3_, _4_, _5_, _6_, _7_, _8_, _9_, _10_, _11_, _12_, _13_, _14_, _15_, _16_, \
+  _17_, _18_, _19_, _20_, _21_, _22_, _23_, _24_, _25_, _26_, _27_, _28_, _29_, _30_, _31_, _32_, \
+  _33_, _34_, _35_, _36_, _37_, _38_, _39_, _40_, _41_, _42_, _43_, _44_, _45_, _46_, _47_, _48_, \
+  _49_, _50_, _51_, _52_, _53_, _54_, _55_, _56_, _57_, _58_, _59_, _60_, _61_, _62_, _63_, _64_, \
+  count, ...) count
+#define _VA_NARGS_EXPAND(args) _VA_NARGS_RETURN_COUNT args
+#define _VA_NARGS_OVERLOAD_MACRO2(name, count) name##count
+#define _VA_NARGS_OVERLOAD_MACRO1(name, count) _VA_NARGS_OVERLOAD_MACRO2(name, count)
+#define _VA_NARGS_OVERLOAD_MACRO(name,  count) _VA_NARGS_OVERLOAD_MACRO1(name, count)
+/* --- expose for re-use --- */
+/* 64 args max */
+#define VA_NARGS_COUNT(...) _VA_NARGS_EXPAND((__VA_ARGS__, \
+  64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, \
+  48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, \
+  32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, \
+  16, 15, 14, 13, 12, 11, 10,  9,  8,  7,  6,  5,  4,  3,  2, 1, 0))
+#define VA_NARGS_CALL_OVERLOAD(name, ...) \
+  _VA_NARGS_GLUE(_VA_NARGS_OVERLOAD_MACRO(name, VA_NARGS_COUNT(__VA_ARGS__)), (__VA_ARGS__))
+
+/* clang-format on */