From c1b11da985869610df24881c7911ad288bc680d3 Mon Sep 17 00:00:00 2001
From: Renato Rotenberg <renato.rotenberg@gmail.com>
Date: Tue, 28 Jan 2025 22:57:13 -0300
Subject: [PATCH] Only expose public functions in GNU compiler builds if
 `SM64_LIB_EXPORT` is defined.

This is useful for WebAssembly builds, since `libsm64` is built as a static library and the final linked `.wasm` file might not want to expose the `libsm64` functions.
---
 src/libsm64.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/libsm64.h b/src/libsm64.h
index c678587..6a59887 100644
--- a/src/libsm64.h
+++ b/src/libsm64.h
@@ -12,7 +12,11 @@
         #define SM64_LIB_FN __declspec(dllimport)
     #endif
 #elif defined(__GNUC__) && __GNUC__ >= 4
-    #define SM64_LIB_FN __attribute__ ((visibility("default")))
+    #ifdef SM64_LIB_EXPORT
+        #define SM64_LIB_FN __attribute__ ((visibility("default")))
+    #else
+        #define SM64_LIB_FN
+    #endif
 #else
     #define SM64_LIB_FN
 #endif