Annotation of embedaddon/sudo/aclocal.m4, revision 1.1.1.5
1.1.1.5 ! misho 1: # generated automatically by aclocal 1.11.6 -*- Autoconf -*-
1.1 misho 2:
1.1.1.5 ! misho 3: # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
! 4: # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
! 5: # Inc.
! 6: # This file is free software; the Free Software Foundation
! 7: # gives unlimited permission to copy and/or distribute it,
! 8: # with or without modifications, as long as this notice is preserved.
! 9:
! 10: # This program is distributed in the hope that it will be useful,
! 11: # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
! 12: # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
! 13: # PARTICULAR PURPOSE.
! 14:
! 15: # longlong.m4 serial 17
! 16: dnl Copyright (C) 1999-2007, 2009-2012 Free Software Foundation, Inc.
! 17: dnl This file is free software; the Free Software Foundation
! 18: dnl gives unlimited permission to copy and/or distribute it,
! 19: dnl with or without modifications, as long as this notice is preserved.
! 20:
! 21: dnl From Paul Eggert.
! 22:
! 23: # Define HAVE_LONG_LONG_INT if 'long long int' works.
! 24: # This fixes a bug in Autoconf 2.61, and can be faster
! 25: # than what's in Autoconf 2.62 through 2.68.
! 26:
! 27: # Note: If the type 'long long int' exists but is only 32 bits large
! 28: # (as on some very old compilers), HAVE_LONG_LONG_INT will not be
! 29: # defined. In this case you can treat 'long long int' like 'long int'.
! 30:
! 31: AC_DEFUN([AC_TYPE_LONG_LONG_INT],
! 32: [
! 33: AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
! 34: AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
! 35: [ac_cv_type_long_long_int=yes
! 36: if test "x${ac_cv_prog_cc_c99-no}" = xno; then
! 37: ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
! 38: if test $ac_cv_type_long_long_int = yes; then
! 39: dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
! 40: dnl If cross compiling, assume the bug is not important, since
! 41: dnl nobody cross compiles for this platform as far as we know.
! 42: AC_RUN_IFELSE(
! 43: [AC_LANG_PROGRAM(
! 44: [[@%:@include <limits.h>
! 45: @%:@ifndef LLONG_MAX
! 46: @%:@ define HALF \
! 47: (1LL << (sizeof (long long int) * CHAR_BIT - 2))
! 48: @%:@ define LLONG_MAX (HALF - 1 + HALF)
! 49: @%:@endif]],
! 50: [[long long int n = 1;
! 51: int i;
! 52: for (i = 0; ; i++)
! 53: {
! 54: long long int m = n << i;
! 55: if (m >> i != n)
! 56: return 1;
! 57: if (LLONG_MAX / 2 < m)
! 58: break;
! 59: }
! 60: return 0;]])],
! 61: [],
! 62: [ac_cv_type_long_long_int=no],
! 63: [:])
! 64: fi
! 65: fi])
! 66: if test $ac_cv_type_long_long_int = yes; then
! 67: AC_DEFINE([HAVE_LONG_LONG_INT], [1],
! 68: [Define to 1 if the system has the type 'long long int'.])
1.1.1.2 misho 69: fi
70: ])
71:
1.1.1.5 ! misho 72: # Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
! 73: # This fixes a bug in Autoconf 2.61, and can be faster
! 74: # than what's in Autoconf 2.62 through 2.68.
! 75:
! 76: # Note: If the type 'unsigned long long int' exists but is only 32 bits
! 77: # large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
! 78: # will not be defined. In this case you can treat 'unsigned long long int'
! 79: # like 'unsigned long int'.
! 80:
! 81: AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
! 82: [
! 83: AC_CACHE_CHECK([for unsigned long long int],
! 84: [ac_cv_type_unsigned_long_long_int],
! 85: [ac_cv_type_unsigned_long_long_int=yes
! 86: if test "x${ac_cv_prog_cc_c99-no}" = xno; then
! 87: AC_LINK_IFELSE(
! 88: [_AC_TYPE_LONG_LONG_SNIPPET],
! 89: [],
! 90: [ac_cv_type_unsigned_long_long_int=no])
! 91: fi])
! 92: if test $ac_cv_type_unsigned_long_long_int = yes; then
! 93: AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
! 94: [Define to 1 if the system has the type 'unsigned long long int'.])
! 95: fi
1.1 misho 96: ])
97:
1.1.1.5 ! misho 98: # Expands to a C program that can be used to test for simultaneous support
! 99: # of 'long long' and 'unsigned long long'. We don't want to say that
! 100: # 'long long' is available if 'unsigned long long' is not, or vice versa,
! 101: # because too many programs rely on the symmetry between signed and unsigned
! 102: # integer types (excluding 'bool').
! 103: AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
! 104: [
! 105: AC_LANG_PROGRAM(
! 106: [[/* For now, do not test the preprocessor; as of 2007 there are too many
! 107: implementations with broken preprocessors. Perhaps this can
! 108: be revisited in 2012. In the meantime, code should not expect
! 109: #if to work with literals wider than 32 bits. */
! 110: /* Test literals. */
! 111: long long int ll = 9223372036854775807ll;
! 112: long long int nll = -9223372036854775807LL;
! 113: unsigned long long int ull = 18446744073709551615ULL;
! 114: /* Test constant expressions. */
! 115: typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
! 116: ? 1 : -1)];
! 117: typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
! 118: ? 1 : -1)];
! 119: int i = 63;]],
! 120: [[/* Test availability of runtime routines for shift and division. */
! 121: long long int llmax = 9223372036854775807ll;
! 122: unsigned long long int ullmax = 18446744073709551615ull;
! 123: return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
! 124: | (llmax / ll) | (llmax % ll)
! 125: | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
! 126: | (ullmax / ull) | (ullmax % ull));]])
1.1 misho 127: ])
128:
1.1.1.5 ! misho 129: m4_include([m4/ax_check_compile_flag.m4])
! 130: m4_include([m4/ax_check_link_flag.m4])
! 131: m4_include([m4/ax_func_getaddrinfo.m4])
! 132: m4_include([m4/ax_func_snprintf.m4])
1.1.1.4 misho 133: m4_include([m4/libtool.m4])
134: m4_include([m4/ltoptions.m4])
135: m4_include([m4/ltsugar.m4])
136: m4_include([m4/ltversion.m4])
137: m4_include([m4/lt~obsolete.m4])
1.1.1.5 ! misho 138: m4_include([m4/sudo.m4])
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