Imported Upstream version 1.4.12

This commit is contained in:
Jan Wagner 2013-11-26 23:55:28 +01:00
parent 1d1585cd09
commit 4ab9f0d24c
291 changed files with 27277 additions and 11364 deletions

View file

@ -1,5 +1,5 @@
# longlong.m4 serial 10
dnl Copyright (C) 1999-2006 Free Software Foundation, Inc.
# longlong.m4 serial 13
dnl Copyright (C) 1999-2007 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.
@ -7,8 +7,8 @@ dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
# Define HAVE_LONG_LONG_INT if 'long long int' works.
# This fixes a bug in Autoconf 2.60, but can be removed once we
# assume 2.61 everywhere.
# This fixes a bug in Autoconf 2.61, but can be removed once we
# assume 2.62 everywhere.
# Note: If the type 'long long int' exists but is only 32 bits large
# (as on some very old compilers), HAVE_LONG_LONG_INT will not be
@ -18,20 +18,11 @@ AC_DEFUN([AC_TYPE_LONG_LONG_INT],
[
AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
typedef int a[((-9223372036854775807LL < 0
&& 0 < 9223372036854775807ll)
? 1 : -1)];
int i = 63;]],
[[long long int llmax = 9223372036854775807ll;
return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
| (llmax / ll) | (llmax % ll));]])],
[_AC_TYPE_LONG_LONG_SNIPPET],
[dnl This catches a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
dnl If cross compiling, assume the bug isn't important, since
dnl nobody cross compiles for this platform as far as we know.
AC_RUN_IFELSE(
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[@%:@include <limits.h>
@%:@ifndef LLONG_MAX
@ -60,13 +51,56 @@ AC_DEFUN([AC_TYPE_LONG_LONG_INT],
fi
])
# This macro is obsolescent and should go away soon.
AC_DEFUN([gl_AC_TYPE_LONG_LONG],
# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
# This fixes a bug in Autoconf 2.61, but can be removed once we
# assume 2.62 everywhere.
# Note: If the type 'unsigned long long int' exists but is only 32 bits
# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
# will not be defined. In this case you can treat 'unsigned long long int'
# like 'unsigned long int'.
AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
[
AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
ac_cv_type_long_long=$ac_cv_type_long_long_int
if test $ac_cv_type_long_long = yes; then
AC_DEFINE(HAVE_LONG_LONG, 1,
[Define if you have the 'long long' type.])
AC_CACHE_CHECK([for unsigned long long int],
[ac_cv_type_unsigned_long_long_int],
[AC_LINK_IFELSE(
[_AC_TYPE_LONG_LONG_SNIPPET],
[ac_cv_type_unsigned_long_long_int=yes],
[ac_cv_type_unsigned_long_long_int=no])])
if test $ac_cv_type_unsigned_long_long_int = yes; then
AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1,
[Define to 1 if the system has the type `unsigned long long int'.])
fi
])
# Expands to a C program that can be used to test for simultaneous support
# of 'long long' and 'unsigned long long'. We don't want to say that
# 'long long' is available if 'unsigned long long' is not, or vice versa,
# because too many programs rely on the symmetry between signed and unsigned
# integer types (excluding 'bool').
AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
[
AC_LANG_PROGRAM(
[[/* For now, do not test the preprocessor; as of 2007 there are too many
implementations with broken preprocessors. Perhaps this can
be revisited in 2012. In the meantime, code should not expect
#if to work with literals wider than 32 bits. */
/* Test literals. */
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
unsigned long long int ull = 18446744073709551615ULL;
/* Test constant expressions. */
typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
? 1 : -1)];
typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
? 1 : -1)];
int i = 63;]],
[[/* Test availability of runtime routines for shift and division. */
long long int llmax = 9223372036854775807ll;
unsigned long long int ullmax = 18446744073709551615ull;
return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
| (llmax / ll) | (llmax % ll)
| (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
| (ullmax / ull) | (ullmax % ull));]])
])