Index: configure.ac.in
===================================================================
RCS file: /home/cvspsrv/cvsroot/eda/geda/gaf/gschem/configure.ac.in,v
retrieving revision 1.7
diff -U3 -p -r1.7 configure.ac.in
--- configure.ac.in     17 Apr 2007 20:19:14 -0000      1.7
+++ configure.ac.in     21 Apr 2007 16:56:37 -0000
@@ -392,6 +392,18 @@ AC_HEADER_DIRENT
 AC_CHECK_HEADERS(unistd.h string.h stdlib.h \
                  stdarg.h assert.h fcntl.h errno.h sys/param.h)
 
+# Check for locale.h
+
+# Set USE_NLS
+AM_NLS
+AC_CHECK_HEADER([locale.h],
+                [AC_DEFINE([HAVE_LOCALE_H], 1, [Define if you have locale.h])],
+                [
+                  if test "$USE_NLS" == "yes"; then
+                    AC_MSG_ERROR([Cannot find useful locale.h, and nls support is enabled. Try compiling with --disable-nls])
+                  fi
+                ])
+
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST