#serial 2

dnl From Bruno Haible.

AC_DEFUN(jm_LANGINFO_CODESET,
[
  AC_CHECK_HEADERS(langinfo.h)
  AC_CHECK_FUNCS(nl_langinfo)

  AC_CACHE_CHECK([for nl_langinfo and CODESET], jm_cv_langinfo_codeset,
    [AC_TRY_LINK([#include <langinfo.h>],
      [char* cs = nl_langinfo(CODESET);],
      jm_cv_langinfo_codeset=yes,
      jm_cv_langinfo_codeset=no)
    ])
  if test $jm_cv_langinfo_codeset = yes; then
    AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  fi
])