1 files changed, 0 insertions, 116 deletions
diff --git a/gnulib-m4/btowc.m4 b/gnulib-m4/btowc.m4
deleted file mode 100644
index c1da65d4..00000000
--- a/gnulib-m4/btowc.m4
+++ /dev/null
@@ -1,116 +0,0 @@
-# btowc.m4 serial 10
-dnl Copyright (C) 2008-2015 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_FUNC_BTOWC],
-[
-  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
-
-  dnl Check whether <wchar.h> is usable at all, first. Otherwise the test
-  dnl program below may lead to an endless loop. See
-  dnl <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42440>.
-  AC_REQUIRE([gl_WCHAR_H_INLINE_OK])
-
-  AC_CHECK_FUNCS_ONCE([btowc])
-  if test $ac_cv_func_btowc = no; then
-    HAVE_BTOWC=0
-  else
-
-    AC_REQUIRE([AC_PROG_CC])
-    AC_REQUIRE([gt_LOCALE_FR])
-    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-
-    dnl Cygwin 1.7.2 btowc('\0') is WEOF, not 0.
-    AC_CACHE_CHECK([whether btowc(0) is correct],
-      [gl_cv_func_btowc_nul],
-      [
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
-#include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-int main ()
-{
-  if (btowc ('\0') != 0)
-    return 1;
-  return 0;
-}]])],
-          [gl_cv_func_btowc_nul=yes],
-          [gl_cv_func_btowc_nul=no],
-          [
-changequote(,)dnl
-           case "$host_os" in
-                      # Guess no on Cygwin.
-             cygwin*) gl_cv_func_btowc_nul="guessing no" ;;
-                      # Guess yes otherwise.
-             *)       gl_cv_func_btowc_nul="guessing yes" ;;
-           esac
-changequote([,])dnl
-          ])
-      ])
-
-    dnl IRIX 6.5 btowc(EOF) is 0xFF, not WEOF.
-    AC_CACHE_CHECK([whether btowc(EOF) is correct],
-      [gl_cv_func_btowc_eof],
-      [
-        dnl Initial guess, used when cross-compiling or when no suitable locale
-        dnl is present.
-changequote(,)dnl
-        case "$host_os" in
-                 # Guess no on IRIX.
-          irix*) gl_cv_func_btowc_eof="guessing no" ;;
-                 # Guess yes otherwise.
-          *)     gl_cv_func_btowc_eof="guessing yes" ;;
-        esac
-changequote([,])dnl
-        if test $LOCALE_FR != none; then
-          AC_RUN_IFELSE(
-            [AC_LANG_SOURCE([[
-#include <locale.h>
-#include <string.h>
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-int main ()
-{
-  if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
-    {
-      if (btowc (EOF) != WEOF)
-        return 1;
-    }
-  return 0;
-}]])],
-            [gl_cv_func_btowc_eof=yes],
-            [gl_cv_func_btowc_eof=no],
-            [:])
-        fi
-      ])
-
-    case "$gl_cv_func_btowc_nul" in
-      *yes) ;;
-      *) REPLACE_BTOWC=1 ;;
-    esac
-    case "$gl_cv_func_btowc_eof" in
-      *yes) ;;
-      *) REPLACE_BTOWC=1 ;;
-    esac
-  fi
-])
-
-# Prerequisites of lib/btowc.c.
-AC_DEFUN([gl_PREREQ_BTOWC], [
-  :
-])