diff -r e0117f4b0ff1 -r 2b995a4963a4 targets/OSX/__init__.py
--- a/targets/OSX/__init__.py	Wed May 10 17:00:04 2023 +0200
+++ b/targets/OSX/__init__.py	Wed May 10 17:02:05 2023 +0200
@@ -24,6 +24,7 @@
 
 
 from ..toolchain_gcc import toolchain_gcc
+import platform
 
 
 class OSX_target(toolchain_gcc):
@@ -34,7 +35,7 @@
         return toolchain_gcc.getBuilderCFLAGS(self) + \
             ["-fPIC", "-Wno-deprecated-declarations",
              "-Wno-implicit-function-declaration", "-Wno-int-conversion",
-             "-Wno-parentheses-equality", "-Wno-varargs"]
+             "-Wno-parentheses-equality", "-Wno-varargs", "-arch", platform.machine()]
 
     def getBuilderLDFLAGS(self):
-        return toolchain_gcc.getBuilderLDFLAGS(self) + ["-shared"]
+        return toolchain_gcc.getBuilderLDFLAGS(self) + ["-shared", "-arch", platform.machine()]