Index: test.tcl
==================================================================
--- test.tcl
+++ test.tcl
@@ -76,12 +76,12 @@
 
 ## Delete without performing
 set handle [tcc4tcl::new]
 $handle delete
 
-# External functions (requires .a files)
-if {[info exists ::env(TCC4TCL_TEST_RUN_NATIVE)]} {
+# External functions (requires .so or .a (ELF) files which do not exist on Darwin)
+if {[info exists ::env(TCC4TCL_TEST_RUN_NATIVE)] && $::tcl_platform(os) != "Darwin"} {
 	set handle [tcc4tcl::new]
 	$handle ccode {const char *curl_version(void);}
 	$handle cproc curl_version {} vstring
 	$handle add_library_path /usr/lib64
 	$handle add_library_path /usr/lib
@@ -97,11 +97,12 @@
 }
 $handle go
 puts [wideTest 30]
 
 # Produce a loadable object
-if {[info exists ::env(TCC4TCL_TEST_RUN_NATIVE)]} {
+## Currently doesn't work on Darwin
+if {[info exists ::env(TCC4TCL_TEST_RUN_NATIVE)] && $::tcl_platform(os) != "Darwin"} {
 	set tmpfile "/tmp/DELETEME_tcc4tcl_test_exec[expr rand()].so"
 	file delete $tmpfile
 	set handle [tcc4tcl::new $tmpfile "myPkg 0.1"]
 	$handle cproc ext_add {int a int b} long { return(a+b); }
 	$handle add_library_path /usr/lib64