diff -ruN --no-dereference mlibc-3.0.0-rc1/options/ansi/generic/string-stubs.cpp mlibc/options/ansi/generic/string-stubs.cpp
--- mlibc-3.0.0-rc1/options/ansi/generic/string-stubs.cpp	2022-08-01 15:24:41.000000000 -0300
+++ mlibc/options/ansi/generic/string-stubs.cpp	2022-10-14 19:09:55.153146583 -0300
@@ -400,7 +400,6 @@
 	case ENOPROTOOPT: s = "Protocol not available (ENOPROTOOPT)"; break;
 	case ENOTEMPTY: s = "Directory not empty (ENOTEMPTY)"; break;
 	case ENOTRECOVERABLE: s = "Sate not recoverable (ENOTRECOVERABLE)"; break;
-	case ENOTSUP: s = "Operation not supported (ENOTSUP)"; break;
 	case ENOTTY: s = "Inappropriate ioctl for device (ENOTTY)"; break;
 	case EOVERFLOW: s = "Value too large for defined datatype (EOVERFLOW)"; break;
 #ifndef __linux__
diff -ruN --no-dereference mlibc-3.0.0-rc1/options/glibc/generic/execinfo.cpp mlibc/options/glibc/generic/execinfo.cpp
--- mlibc-3.0.0-rc1/options/glibc/generic/execinfo.cpp	2022-08-01 15:24:41.000000000 -0300
+++ mlibc/options/glibc/generic/execinfo.cpp	2022-10-20 20:57:28.068361171 -0300
@@ -1,9 +1,10 @@
 #include <execinfo.h>
 #include <bits/ensure.h>
+#include <mlibc/debug.hpp>
 
 int backtrace(void **, int) {
-	__ensure(!"Not implemented");
-	__builtin_unreachable();
+	mlibc::infoLogger() << "libc: backtrace() is not implemented!\n" << frg::endlog;
+	return 0;
 }
 
 char **backtrace_symbols(void *const *, int) {