ELF/Mach-O: Force default visibility for public API functions.HEADv2.1

Thanks to Dymphna. #1409

2 files changed, 4 insertions, 0 deletions

diff --git a/src/jit/bcsave.lua b/src/jit/bcsave.lua
index e4ca1977..5a55789a 100644
--- a/src/jit/bcsave.lua
+++ b/src/jit/bcsave.lua
@@ -165,6 +165,8 @@ extern "C"
 #endif
 #ifdef _WIN32
 __declspec(dllexport)
+#elif (defined(__ELF__) || defined(__MACH__) || defined(__psp2__)) && !((defined(__sun__) && defined(__svr4__)) || defined(__CELLOS_LV2__))
+__attribute__((visibility("default")))
 #endif
 const unsigned char %s%s[] = {
 ]], LJBC_PREFIX, ctx.modname))
diff --git a/src/luaconf.h b/src/luaconf.h
index 7cd2edb5..6959313d 100644
--- a/src/luaconf.h
+++ b/src/luaconf.h
@@ -132,6 +132,8 @@
 #else
 #define LUA_API         __declspec(dllimport)
 #endif
+#elif (defined(__ELF__) || defined(__MACH__) || defined(__psp2__)) && !((defined(__sun__) && defined(__svr4__)) || defined(__CELLOS_LV2__))
+#define LUA_API         extern __attribute__((visibility("default")))
 #else
 #define LUA_API         extern
 #endif