Test for IDN, based on meta-specified encoding.

[wget] / configure.ac

diff --git a/configure.ac b/configure.ac
index 44f397b91b23054eaa98c2766bcfac3450c4243a..fb0c65d10d10bef526dd59126868a463653e8c3e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -113,6 +113,8 @@ md5_EARLY
 
 AC_PROG_RANLIB
 
+AC_PROG_LEX
+
 dnl Turn on optimization by default.  Specifically:
 dnl
 dnl if the user hasn't specified CFLAGS, then
@@ -493,6 +495,19 @@ AC_ARG_ENABLE(iri,
 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
                                    [Support IDN/IRIs (needs GNU Libidn)]),
                                    libidn=$withval, libidn="")
+if test "X$iri" != "Xno"; then
+  AM_ICONV
+
+  if test "X$am_cv_func_iconv" != "Xyes"; then
+    iri=no
+    if test "X$force_iri" = "Xyes"; then
+      AC_MSG_ERROR([Libiconv is required for IRIs support])
+    else
+      AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
+    fi
+  fi
+fi
+
 if test "X$iri" != "Xno"; then
   if test "$libidn" != ""; then
     LDFLAGS="${LDFLAGS} -L$libidn/lib"