diff --git a/configure.ac b/configure.ac
index c863ab8..2d402a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -417,6 +417,28 @@
 
 dnl ===========================================================================
 
+AC_ARG_WITH(wasm,
+	[AS_HELP_STRING([--with-wasm=@<:@yes/no/auto@:>@],
+			[Use the wasm-micro-runtime library @<:@default=no@:>@])],,
+	[with_wasm=no])
+have_wasm=false
+if test "x$with_wasm" = "xyes" -o "x$with_wasm" = "xauto"; then
+	AC_CHECK_HEADERS(wasm_export.h, have_wasm=true)
+fi
+if test "x$with_wasm" = "xyes" -a "x$have_wasm" != "xtrue"; then
+	AC_MSG_ERROR([wasm support requested but not found])
+fi
+if $have_wasm; then
+	WASM_CFLAGS=
+	WASM_LIBS="-liwasm"
+	AC_SUBST(WASM_CFLAGS)
+	AC_SUBST(WASM_LIBS)
+	AC_DEFINE(HAVE_WASM, 1, [Have wasm-micro-runtime library])
+fi
+AM_CONDITIONAL(HAVE_WASM, $have_wasm)
+
+dnl ===========================================================================
+
 AC_CONFIG_FILES([
 Makefile
 src/Makefile
@@ -478,6 +500,7 @@
 	DirectWrite:		${have_directwrite}
 	GDI:			${have_gdi}
 	Uniscribe:		${have_uniscribe}
+	WebAssembly:		${have_wasm}
 
 Other features:
 	Documentation:		${enable_gtk_doc}