-adding libidn--towards fixing #2475

1 files changed, 26 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 0bedbaca9..28a23f8f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -370,6 +370,32 @@ then
 else
         AM_CONDITIONAL(HAVE_LIBCURL, false)
 fi
+
+
+# libidn
+AC_MSG_CHECKING([if Libidn can be used])
+AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
+                                    [Support IDN (needs GNU Libidn)]),
+libidn=$withval, libidn=yes)
+if test "$libidn" != "no"; then
+  if test "$libidn" != "yes"; then
+     LDFLAGS="${LDFLAGS} -L$libidn/lib"
+     CPPFLAGS="${CPPFLAGS} -I$libidn/include"
+  fi
+  AC_CHECK_HEADER(idna.h,
+  AC_CHECK_LIB(idn, stringprep_check_version,
+    [libidn=yes LIBS="${LIBS} -lidn"], libidn=no),
+     libidn=no)
+fi
+if test "$libidn" != "no" ; then
+  AC_DEFINE(LIBIDN, 1, [Define to 1 if you want IDN support.])
+  else
+  AC_MSG_FAILURE([Libidn not found])
+fi
+AC_MSG_RESULT($libidn)
+
+
+
 # restore LIBS
 LIBS=$SAVE_LIBS