(AC_CHECK_HEADERS): Add langinfo.h (moved here from

textutils/configure.in).  Suggestion from Paul Eggert.
(AC_CHECK_FUNCS): Add nl_langinfo.  (also from textutils/configure.in)

diff --git a/m4/codeset.m4 b/m4/codeset.m4
index 6f0b58e..fbe6a80 100644 (file)
--- a/m4/codeset.m4
+++ b/m4/codeset.m4
@@ -1,9 +1,12 @@
-#serial 1
+#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);],