* configure --with-wwwdir=<dir> is removed

* test:
  * new test_helloworld.sh smoketest added for testing basic functions
  * stripped restconf fcgi default config
  * added yang variable

configure

@@ -632,7 +632,6 @@ ac_ct_CXX
 CXXFLAGS
 CXX
 CPP
-wwwdir
 YANG_STANDARD_DIR
 YANG_INSTALLDIR
 CLIXON_YANG_PATCH
@@ -728,6 +727,7 @@ with_libxml2
 with_sigaction
 with_yang_installdir
 with_yang_standard_dir
+enable_nls
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1375,6 +1375,7 @@ Optional Features:
   --disable-nghttp2       Disable nghttp2 for native restconf http/2, ie
                           http/1 only
 
+
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
@@ -3395,10 +3396,6 @@ HAVE_LIBNGHTTP2=false
 # Examples require standard IETF YANGs. You need to provide these for example and tests
 
 
-# Home dir for web user, such as nginx fcgi sockets
-wwwdir=/www-data
-
-
 #
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -5072,11 +5069,6 @@ fi
 
 $as_echo "#define WITH_RESTCONF_FCGI 1" >>confdefs.h
  # For c-code that cant use strings
-
-cat >>confdefs.h <<_ACEOF
-#define WWWDIR "$wwwdir"
-_ACEOF
-
 elif test "x${with_restconf}" == xnative; then
 
    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OPENSSL_init_ssl  in -lssl" >&5
@@ -5676,6 +5668,13 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+# Dummy to disable native language support (nls) to remove warnings in buildroot
+# Check whether --enable-nls was given.
+if test "${enable_nls+set}" = set; then :
+  enableval=$enable_nls;
+fi
+
+
 
 
 ac_config_files="$ac_config_files Makefile lib/Makefile lib/src/Makefile lib/clixon/Makefile apps/Makefile apps/cli/Makefile apps/backend/Makefile apps/netconf/Makefile apps/restconf/Makefile include/Makefile etc/Makefile etc/clixonrc example/Makefile example/main/Makefile example/main/example.xml extras/rpm/Makefile docker/Makefile docker/base/Makefile docker/clixon-dev/Makefile docker/main/Makefile util/Makefile yang/Makefile yang/clixon/Makefile yang/mandatory/Makefile doc/Makefile test/Makefile test/config.sh test/cicd/Makefile test/vagrant/Makefile"