Implement setlocale() as no-op

libc/generic/ansi/dir.makefile

@@ -19,6 +19,7 @@ $c_CPPFLAGS += -I$(TREE_PATH)/libc/generic/posix/include
 $c_CPPFLAGS += -I$(TREE_PATH)/libc/compilers/gcc/include
 $c_CPPFLAGS += -I$(TREE_PATH)/libc/machine/x86_64/include
 $c_CPPFLAGS += -I$(FRIGG_PATH)/include
+$c_CPPFLAGS += -DFRIGG_HAVE_LIBC
 $c_CXXFLAGS := $($c_CPPFLAGS) -fPIC -O2
 $c_CXXFLAGS += -fno-builtin -fno-rtti -fno-exceptions
 

libc/generic/ansi/src/locale-stubs.cpp

@@ -3,9 +3,16 @@
 
 #include <mlibc/ensure.h>
 
+#pragma GCC visibility push(hidden)
+
+#include <frigg/debug.hpp>
+
+#pragma GCC visibility pop
+
 char *setlocale(int category, const char *locale) {
-	__ensure(!"Not implemented");
-	__builtin_unreachable();
+	frigg::infoLogger.log() << "mlibc: Broken setlocale(\""
+			<< locale << "\") called!" << frigg::EndLog();
+	return "C";
 }
 
 struct lconv *localeconv(void) {