2 files changed, 88 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/m4/locale_h.m4 b/gnulib/m4/locale_h.m4
new file mode 100644
index 0000000..e77a303
--- /dev/null
+++ b/gnulib/m4/locale_h.m4
@@ -0,0 +1,88 @@
+# locale_h.m4 serial 14
+dnl Copyright (C) 2007, 2009-2011 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_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])
+
+  dnl If <stddef.h> is replaced, then <locale.h> must also be replaced.
+  AC_REQUIRE([gl_STDDEF_H])
+
+  AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001],
+    [gl_cv_header_locale_h_posix2001],
+    [AC_COMPILE_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[#include <locale.h>
+            int x = LC_MESSAGES;]],
+          [[]])],
+       [gl_cv_header_locale_h_posix2001=yes],
+       [gl_cv_header_locale_h_posix2001=no])])
+
+  dnl Check for <xlocale.h>.
+  AC_CHECK_HEADERS_ONCE([xlocale.h])
+  if test $ac_cv_header_xlocale_h = yes; then
+    HAVE_XLOCALE_H=1
+    dnl Check whether use of locale_t requires inclusion of <xlocale.h>,
+    dnl e.g. on MacOS X 10.5. If <locale.h> does not define locale_t by
+    dnl itself, we assume that <xlocale.h> will do so.
+    AC_CACHE_CHECK([whether locale.h defines locale_t],
+      [gl_cv_header_locale_has_locale_t],
+      [AC_COMPILE_IFELSE(
+         [AC_LANG_PROGRAM(
+            [[#include <locale.h>
+              locale_t x;]],
+            [[]])],
+         [gl_cv_header_locale_has_locale_t=yes],
+         [gl_cv_header_locale_has_locale_t=no])
+      ])
+    if test $gl_cv_header_locale_has_locale_t = yes; then
+      gl_cv_header_locale_h_needs_xlocale_h=no
+    else
+      gl_cv_header_locale_h_needs_xlocale_h=yes
+    fi
+  else
+    HAVE_XLOCALE_H=0
+    gl_cv_header_locale_h_needs_xlocale_h=no
+  fi
+  AC_SUBST([HAVE_XLOCALE_H])
+
+  dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK.
+  gl_NEXT_HEADERS([locale.h])
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[#include <locale.h>
+/* Some systems provide declarations in a non-standard header.  */
+#if HAVE_XLOCALE_H
+# include <xlocale.h>
+#endif
+    ]],
+    [setlocale duplocale])
+])
+
+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])
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+  dnl Define it also as a C macro, for the benefit of the unit tests.
+  gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_LOCALE_H_DEFAULTS],
+[
+  GNULIB_SETLOCALE=0;  AC_SUBST([GNULIB_SETLOCALE])
+  GNULIB_DUPLOCALE=0;  AC_SUBST([GNULIB_DUPLOCALE])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_DUPLOCALE=1;    AC_SUBST([HAVE_DUPLOCALE])
+  REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE])
+  REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE])
+])