1 files changed, 23 insertions, 0 deletions
diff --git a/system/include/compat/wchar.h b/system/include/compat/wchar.h
new file mode 100644
index 00000000..42f0bcee
--- /dev/null
+++ b/system/include/compat/wchar.h
@@ -0,0 +1,23 @@
+#ifndef  _COMPAT_WCHAR_H_
+#define  _COMPAT_WCHAR_H_
+
+#include_next <wchar.h>
+
+/* We undef these until libcxx is fixed. Without this,
+   some things can fail to compile correctly, like
+   Boost. Issue #1716. */
+
+#undef iswalpha
+#undef iswblank
+#undef iswcntrl
+#undef iswdigit
+#undef iswgraph
+#undef iswlower
+#undef iswprint
+#undef iswpunct
+#undef iswspace
+#undef iswupper
+#undef iswxdigit
+#undef iswctype
+
+#endif /* _COMPAT_WCHAR_H_ */