Get libc++ building for Android

This adds an Android makefile, aliases locale aware cctype and cwctype
functions, fixes broken configuration in libcxx, and stubs functions missing
from bionic.

Change-Id: I247372d87caabe0310bedc4540b68ab2ed1986c1

include/support/android/langinfo.h

@@ -0,0 +1,104 @@
+// -*- C++ -*-
+//===--------------------- support/android/langinfo.h ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#ifndef _LIBCPP_SUPPORT_ANDROID_LANGINFO_H_
+#define _LIBCPP_SUPPORT_ANDROID_LANGINFO_H_
+
+#ifdef __ANDROID__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <support/android/nl_types.h>
+
+#define _NL_ITEM(category,index)  (((category) << 10) | (index))
+
+#define _NL_ITEM_CATEGORY(nl)  ((nl) >> 10)
+#define _NL_ITEM_INDEX(nl)     ((nl) & 0x3ff)
+
+#define CODESET _NL_ITEM(LC_CTYPE, 0)
+
+/* Abbreviated days of the week */
+#define ABDAY_1 _NL_ITEM(LC_TIME,1)
+#define ABDAY_2 _NL_ITEM(LC_TIME,2)
+#define ABDAY_3 _NL_ITEM(LC_TIME,3)
+#define ABDAY_4 _NL_ITEM(LC_TIME,4)
+#define ABDAY_5 _NL_ITEM(LC_TIME,5)
+#define ABDAY_6 _NL_ITEM(LC_TIME,6)
+#define ABDAY_7 _NL_ITEM(LC_TIME,7)
+
+/* Long names of the week */
+#define DAY_1   _NL_ITEM(LC_TIME,11)
+#define DAY_2   _NL_ITEM(LC_TIME,12)
+#define DAY_3   _NL_ITEM(LC_TIME,13)
+#define DAY_4   _NL_ITEM(LC_TIME,14)
+#define DAY_5   _NL_ITEM(LC_TIME,15)
+#define DAY_6   _NL_ITEM(LC_TIME,16)
+#define DAY_7   _NL_ITEM(LC_TIME,17)
+
+/* Abbreviated month names */
+#define ABMON_1  _NL_ITEM(LC_TIME,21)
+#define ABMON_2  _NL_ITEM(LC_TIME,22)
+#define ABMON_3  _NL_ITEM(LC_TIME,23)
+#define ABMON_4  _NL_ITEM(LC_TIME,24)
+#define ABMON_5  _NL_ITEM(LC_TIME,25)
+#define ABMON_6  _NL_ITEM(LC_TIME,26)
+#define ABMON_7  _NL_ITEM(LC_TIME,27)
+#define ABMON_8  _NL_ITEM(LC_TIME,28)
+#define ABMON_9  _NL_ITEM(LC_TIME,29)
+#define ABMON_10 _NL_ITEM(LC_TIME,30)
+#define ABMON_11 _NL_ITEM(LC_TIME,31)
+#define ABMON_12 _NL_ITEM(LC_TIME,32)
+
+/* Long month names */
+#define MON_1    _NL_ITEM(LC_TIME,41)
+#define MON_2    _NL_ITEM(LC_TIME,42)
+#define MON_3    _NL_ITEM(LC_TIME,43)
+#define MON_4    _NL_ITEM(LC_TIME,44)
+#define MON_5    _NL_ITEM(LC_TIME,45)
+#define MON_6    _NL_ITEM(LC_TIME,46)
+#define MON_7    _NL_ITEM(LC_TIME,47)
+#define MON_8    _NL_ITEM(LC_TIME,48)
+#define MON_9    _NL_ITEM(LC_TIME,49)
+#define MON_10   _NL_ITEM(LC_TIME,50)
+#define MON_11   _NL_ITEM(LC_TIME,51)
+#define MON_12   _NL_ITEM(LC_TIME,52)
+
+#define AM_STR      _NL_ITEM(LC_TIME,53)
+#define PM_STR      _NL_ITEM(LC_TIME,54)
+#define D_T_FMT     _NL_ITEM(LC_TIME,55)
+#define D_FMT       _NL_ITEM(LC_TIME,56)
+#define T_FMT       _NL_ITEM(LC_TIME,57)
+#define T_FMT_AMPM  _NL_ITEM(LC_TIME,58)
+#define ERA         _NL_ITEM(LC_TIME,59)
+#define ERA_D_FMT   _NL_ITEM(LC_TIME,60)
+#define ERA_D_T_FMT _NL_ITEM(LC_TIME,61)
+#define ERA_T_FMT   _NL_ITEM(LC_TIME,62)
+#define ALT_DIGITS  _NL_ITEM(LC_TIME,70)
+
+#define INT_CURRENCY_SYMBOL     _NL_ITEM(LC_MONETARY,0)
+#define CURRENCY_SYMBOL         _NL_ITEM(LC_MONETARY,1)
+#define MON_DECIMAL_POINT       _NL_ITEM(LC_MONETARY,2)
+#define MON_THOUSANDS_SEP       _NL_ITEM(LC_MONETARY,3)
+#define MON_GROUPING            _NL_ITEM(LC_MONETARY,4)
+#define POSITIVE_SIGN           _NL_ITEM(LC_MONETARY,5)
+#define NEGATIVE_SIGN           _NL_ITEM(LC_MONETARY,6)
+#define INT_FRAC_DIGITS         _NL_ITEM(LC_MONETARY,7)
+#define FRAC_DIGITS             _NL_ITEM(LC_MONETARY,8)
+
+char *nl_langinfo(nl_item);
+char *nl_langinfo_l(nl_item, locale_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __ANDROID__
+#endif  /* _LIBCPP_SUPPORT_ANDROID_LANGINFO_H_ */