[wasm] Try at autotools build
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}
