diff options
Diffstat (limited to 'gl/m4/longlong.m4')
| -rw-r--r-- | gl/m4/longlong.m4 | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/gl/m4/longlong.m4 b/gl/m4/longlong.m4 index eedc8d56..cca3c1a9 100644 --- a/gl/m4/longlong.m4 +++ b/gl/m4/longlong.m4 @@ -1,5 +1,5 @@ # longlong.m4 serial 14 -dnl Copyright (C) 1999-2007, 2009 Free Software Foundation, Inc. +dnl Copyright (C) 1999-2007, 2009-2010 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. @@ -20,30 +20,30 @@ AC_DEFUN([AC_TYPE_LONG_LONG_INT], [AC_LINK_IFELSE( [_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_LANG_PROGRAM( - [[@%:@include <limits.h> - @%:@ifndef LLONG_MAX - @%:@ define HALF \ - (1LL << (sizeof (long long int) * CHAR_BIT - 2)) - @%:@ define LLONG_MAX (HALF - 1 + HALF) - @%:@endif]], - [[long long int n = 1; - int i; - for (i = 0; ; i++) - { - long long int m = n << i; - if (m >> i != n) - return 1; - if (LLONG_MAX / 2 < m) - break; - } - return 0;]])], - [ac_cv_type_long_long_int=yes], - [ac_cv_type_long_long_int=no], - [ac_cv_type_long_long_int=yes])], + 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_LANG_PROGRAM( + [[@%:@include <limits.h> + @%:@ifndef LLONG_MAX + @%:@ define HALF \ + (1LL << (sizeof (long long int) * CHAR_BIT - 2)) + @%:@ define LLONG_MAX (HALF - 1 + HALF) + @%:@endif]], + [[long long int n = 1; + int i; + for (i = 0; ; i++) + { + long long int m = n << i; + if (m >> i != n) + return 1; + if (LLONG_MAX / 2 < m) + break; + } + return 0;]])], + [ac_cv_type_long_long_int=yes], + [ac_cv_type_long_long_int=no], + [ac_cv_type_long_long_int=yes])], [ac_cv_type_long_long_int=no])]) if test $ac_cv_type_long_long_int = yes; then AC_DEFINE([HAVE_LONG_LONG_INT], [1], @@ -83,24 +83,24 @@ 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. */ + 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)]; + ? 1 : -1)]; typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1 - ? 1 : -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));]]) + | (llmax / ll) | (llmax % ll) + | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i) + | (ullmax / ull) | (ullmax % ull));]]) ]) |