add log

premake5_v2.lua

diff --git a/premake5_v2.lua b/premake5_v2.lua
index 3ad75fa..4983f70 100644
--- a/premake5_v2.lua
+++ b/premake5_v2.lua
@@ -30,6 +30,10 @@
 do
     defines({ 'WITH_RIVE_LAYOUT' })
 end
+filter({ 'options:with_recorder' })
+do
+    defines({ 'WITH_RECORDER' })
+end
 filter({})
 
 dependencies = path.getabsolute('dependencies/')
@@ -184,3 +188,8 @@
     trigger = 'with_rive_docs',
     description = 'Indicates building for use with the docs generator.',
 })
+
+newoption({
+    trigger = 'with_recorder',
+    description = 'Enables recorder features.',
+})
\ No newline at end of file

src/artboard.cpp

diff --git a/src/artboard.cpp b/src/artboard.cpp
index 1228ee8..e0681a9 100644
--- a/src/artboard.cpp
+++ b/src/artboard.cpp
@@ -1260,6 +1260,9 @@
 
 bool Artboard::advanceInternal(float elapsedSeconds, AdvanceFlags flags)
 {
+#ifdef WITH_RECORDER
+    fprintf(stderr, "")
+#endif
     bool didUpdate = false;
 
     for (auto adv : m_advancingComponents)