diff -up gnome-applets-2.20.0/libgweather/gweather-prefs.c.nl_langinfo gnome-applets-2.20.0/libgweather/gweather-prefs.c
--- gnome-applets-2.20.0/libgweather/gweather-prefs.c.nl_langinfo	2007-10-29 12:06:59.000000000 -0400
+++ gnome-applets-2.20.0/libgweather/gweather-prefs.c	2007-10-29 12:07:42.000000000 -0400
@@ -12,6 +12,8 @@
 #  include <config.h>
 #endif
 
+#include <langinfo.h>
+
 #include <glib/gi18n-lib.h>
 #include <gconf/gconf-client.h>
 #include <libgweather/gweather-prefs.h>
@@ -57,7 +59,7 @@ static GConfEnumStringPair distance_unit
 static void parse_temp_string (const gchar *gconf_str, GWeatherPrefs *prefs)
 {
     gint value = 0;
-#ifdef _NL_MEASUREMENT_MEASUREMENT
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
     char *imperial = NULL;
 #endif
 	
@@ -81,7 +83,7 @@ static void parse_temp_string (const gch
         }
     }
     if (!prefs->temperature_unit || prefs->temperature_unit == TEMP_UNIT_DEFAULT ) {
-#ifdef _NL_MEASUREMENT_MEASUREMENT
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
         imperial = nl_langinfo(_NL_MEASUREMENT_MEASUREMENT);
         if ( imperial && imperial[0] == 2 )  {
             /* imperial */
@@ -95,7 +97,7 @@ static void parse_temp_string (const gch
 static void parse_speed_string (const gchar *gconf_str, GWeatherPrefs *prefs)
 {
     gint value = 0;
-#ifdef _NL_MEASUREMENT_MEASUREMENT
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
     char *imperial = NULL;
 #endif
 	
@@ -119,7 +121,7 @@ static void parse_speed_string (const gc
         }
     }
     if ( (!prefs->speed_unit) || prefs->speed_unit == SPEED_UNIT_DEFAULT ) {
-#ifdef _NL_MEASUREMENT_MEASUREMENT
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
         imperial = nl_langinfo(_NL_MEASUREMENT_MEASUREMENT);
         if ( imperial && imperial[0] == 2 )  {
             /* imperial */
diff -up gnome-applets-2.20.0/configure.in.nl_langinfo gnome-applets-2.20.0/configure.in
--- gnome-applets-2.20.0/configure.in.nl_langinfo	2007-10-29 12:08:28.000000000 -0400
+++ gnome-applets-2.20.0/configure.in	2007-10-29 12:09:28.000000000 -0400
@@ -647,6 +647,20 @@ case $struct_tm_tm_gmtoff in
 esac
 
 dnl ***************************************************************************
+dnl *** _NL_MEASUREMENT_MEASUREMENT is an enum and not a define             ***
+dnl ***************************************************************************
+AC_MSG_CHECKING([for _NL_MEASUREMENT_MEASUREMENT])
+AC_TRY_LINK([#include <langinfo.h>], [
+char c;
+c = *((unsigned char *)  nl_langinfo(_NL_MEASUREMENT_MEASUREMENT));
+], gtk_ok=yes, gtk_ok=no)
+AC_MSG_RESULT($gtk_ok)
+if test "$gtk_ok" = "yes"; then
+  AC_DEFINE([HAVE__NL_MEASUREMENT_MEASUREMENT], [1],
+            [Define if _NL_MEASUREMENT_MEASUREMENT is available])
+fi
+
+dnl ***************************************************************************
 dnl *** Honour aclocal flags                                                ***
 dnl ***************************************************************************
 ACLOCAL_AMFLAGS="\${ACLOCAL_FLAGS}"