diff --git a/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_INTRIN_H.h b/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_INTRIN_H.h
new file mode 100644
index 0000000..8ba888f
--- /dev/null
+++ b/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_INTRIN_H.h
@@ -0,0 +1,10 @@
+// HAVE_INTRIN_H
+
+#undef HAVE_INTRIN_H
+
+/* Windows only: MSVC, MinGW-W64, and Clang.
+ */
+#if defined(_WIN32) && \
+    (defined(_MSV_VER) || defined(__MINGW32__) || defined(__clang__))
+#  define HAVE_INTRIN_H 1
+#endif