futimens, utimensat: work around ntfs-3g bug

[gnulib.git] / m4 / locale_h.m4

diff --git a/m4/locale_h.m4 b/m4/locale_h.m4
index 913a200..35b8b32 100644 (file)
--- a/m4/locale_h.m4
+++ b/m4/locale_h.m4
@@ -1,4 +1,4 @@
-# locale_h.m4 serial 4
+# locale_h.m4 serial 5
 dnl Copyright (C) 2007, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -6,6 +6,10 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_LOCALE_H],
 [
+  dnl Use AC_REQUIRE here, so that the default behavior below is expanded
+  dnl once only, before all statements that occur in other macros.
+  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
+
   dnl Persuade glibc <locale.h> to define locale_t.
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
@@ -44,13 +48,35 @@ locale_t x;], [],
   fi
   AC_SUBST([HAVE_XLOCALE_H])
 
-  if test -z "$STDDEF_H" \
-     && test $gl_cv_header_locale_h_posix2001 = yes \
-     && test $gl_cv_header_locale_h_needs_xlocale_h = no; then
-    LOCALE_H=
-  else
-    gl_CHECK_NEXT_HEADERS([locale.h])
-    LOCALE_H=locale.h
+  dnl Execute this unconditionally, because LOCALE_H may be set by other
+  dnl modules, after this code is executed.
+  gl_CHECK_NEXT_HEADERS([locale.h])
+
+  if test -n "$STDDEF_H" \
+     || test $gl_cv_header_locale_h_posix2001 = no \
+     || test $gl_cv_header_locale_h_needs_xlocale_h = yes; then
+    gl_REPLACE_LOCALE_H
   fi
-  AC_SUBST([LOCALE_H])
+])
+
+dnl Unconditionally enables the replacement of <locale.h>.
+AC_DEFUN([gl_REPLACE_LOCALE_H],
+[
+  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
+  LOCALE_H=locale.h
+])
+
+AC_DEFUN([gl_LOCALE_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_LOCALE_H_DEFAULTS],
+[
+  GNULIB_DUPLOCALE=0;  AC_SUBST([GNULIB_DUPLOCALE])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE])
+  LOCALE_H='';         AC_SUBST([LOCALE_H])
 ])