gnulib: m4/longlong.m4 annotate

annotate m4/longlong.m4 @ 39944:eb64273b66c2

Assume Autoconf >= 2.63. * DEPENDENCIES: Mention the requirement. * gnulib-tool (DEFAULT_AUTOCONF_MINVERSION): Bump to 2.63. (func_get_filelist): Don't list m4/onceonly.m4 any more. * pygnulib/GLModuleSystem.py (getFiles): Likewise. * m4/onceonly.m4: Remove file. * m4/openmp.m4: Remove file. * modules/openmp (Files): Remove m4/openmp.m4. * m4/configmake.m4 (gl_CONFIGMAKE_PREP): Don't set datarootdir, docdir, htmldir, dvidir, pdfdir, psdir, localedir. * m4/po.m4 (AM_PO_SUBDIRS): Don't set localedir. * m4/gnulib-common.m4 (m4_foreach_w): Remove fallback for Autoconf < 2.60. (AC_PROG_MKDIR_P): Remove definition for Autoconf < 2.62. (AC_PROG_SED): Remove fallback for Autoconf < 2.60. * m4/errno_h.m4 (AC_COMPUTE_INT): Remove fallback for Autoconf < 2.61. * m4/size_max.m4 (AC_COMPUTE_INT): Likewise. * m4/stdint.m4 (AC_COMPUTE_INT): Likewise. * m4/fcntl-o.m4 (gl_FCNTL_O_FLAGS): Assume AC_USE_SYSTEM_EXTENSIONS exists. * m4/threadlib.m4 (gl_THREADLIB_EARLY_BODY): Likewise, * m4/lib-link.m4 (AC_LIB_LINKFLAGS_BODY): Remove workaround for Autoconf < 2.61. * m4/lib-prefix.m4 (AC_LIB_ARG_WITH): Remove macro. (AC_LIB_PREFIX): Use AC_ARG_WITH, assuming semantics of Autoconf >= 2.52. * m4/longlong.m4: Require Autoconf >= 2.62. Update comments. * m4/ls-mntd-fs.m4: Require Autoconf >= 2.60. Update comments. * m4/gettext.m4 (AM_GNU_GETTEXT): Update comment.

author	Bruno Haible <bruno@clisp.org>
date	Tue, 23 Oct 2018 00:06:52 +0200
parents	10eb9086bea0
children	41ae0b9a3d53

rev	line source
39944 eb64273b66c2 Assume Autoconf >= 2.63. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	1 # longlong.m4 serial 18
19484 10eb9086bea0 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 18626 diff changeset	2 dnl Copyright (C) 1999-2007, 2009-2018 Free Software Foundation, Inc.
5585 adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5078 diff changeset	3 dnl This file is free software; the Free Software Foundation
adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5078 diff changeset	4 dnl gives unlimited permission to copy and/or distribute it,
adff74659d81 Use an all-permissive copyright notice, recommended by RMS. Bruno Haible <bruno@clisp.org> parents: 5078 diff changeset	5 dnl with or without modifications, as long as this notice is preserved.
3355 867e9fa9a6c3 renamed from ulonglong.m4 Jim Meyering <jim@meyering.net> parents: diff changeset	6
867e9fa9a6c3 renamed from ulonglong.m4 Jim Meyering <jim@meyering.net> parents: diff changeset	7 dnl From Paul Eggert.
867e9fa9a6c3 renamed from ulonglong.m4 Jim Meyering <jim@meyering.net> parents: diff changeset	8
39944 eb64273b66c2 Assume Autoconf >= 2.63. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	9 AC_PREREQ([2.62])
eb64273b66c2 Assume Autoconf >= 2.63. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	10
6906 b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	11 # Define HAVE_LONG_LONG_INT if 'long long int' works.
39944 eb64273b66c2 Assume Autoconf >= 2.63. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	12 # This can be faster than what's in Autoconf 2.62 through 2.68.
3356 8f113648d4ec (jm_AC_TYPE_LONG_LONG): New macro. Jim Meyering <jim@meyering.net> parents: 3355 diff changeset	13
7474 8fe931e85f4f Add comments. Bruno Haible <bruno@clisp.org> parents: 7185 diff changeset	14 # Note: If the type 'long long int' exists but is only 32 bits large
7620 40449f2d490e * m4/longlong.m4 (AC_TYPE_LONG_LONG_INT): Detect bug in Paul Eggert <eggert@cs.ucla.edu> parents: 7474 diff changeset	15 # (as on some very old compilers), HAVE_LONG_LONG_INT will not be
7474 8fe931e85f4f Add comments. Bruno Haible <bruno@clisp.org> parents: 7185 diff changeset	16 # defined. In this case you can treat 'long long int' like 'long int'.
8fe931e85f4f Add comments. Bruno Haible <bruno@clisp.org> parents: 7185 diff changeset	17
6906 b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	18 AC_DEFUN([AC_TYPE_LONG_LONG_INT],
b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	19 [
14356 42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	20 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
6906 b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	21 AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
14356 42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	22 [ac_cv_type_long_long_int=yes
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	23 if test "x${ac_cv_prog_cc_c99-no}" = xno; then
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	24 ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	25 if test $ac_cv_type_long_long_int = yes; then
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	26 dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	27 dnl If cross compiling, assume the bug is not important, since
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	28 dnl nobody cross compiles for this platform as far as we know.
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	29 AC_RUN_IFELSE(
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	30 [AC_LANG_PROGRAM(
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	31 [[@%:@include <limits.h>
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	32 @%:@ifndef LLONG_MAX
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	33 @%:@ define HALF \
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	34 (1LL << (sizeof (long long int) * CHAR_BIT - 2))
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	35 @%:@ define LLONG_MAX (HALF - 1 + HALF)
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	36 @%:@endif]],
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	37 [[long long int n = 1;
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	38 int i;
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	39 for (i = 0; ; i++)
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	40 {
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	41 long long int m = n << i;
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	42 if (m >> i != n)
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	43 return 1;
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	44 if (LLONG_MAX / 2 < m)
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	45 break;
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	46 }
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	47 return 0;]])],
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	48 [],
14366 4da22ca0951d longlong: skip, rather than fail, on cross-compilation Eric Blake <eblake@redhat.com> parents: 14356 diff changeset	49 [ac_cv_type_long_long_int=no],
4da22ca0951d longlong: skip, rather than fail, on cross-compilation Eric Blake <eblake@redhat.com> parents: 14356 diff changeset	50 [:])
14356 42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	51 fi
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	52 fi])
7628 8815c160826e * m4/longlong.m4 (AC_TYPE_LONG_LONG_INT): Set ac_cv_type_long_long_int Paul Eggert <eggert@cs.ucla.edu> parents: 7620 diff changeset	53 if test $ac_cv_type_long_long_int = yes; then
11007 f6cba5a556ce many .m4 files: improve m4 quoting Jim Meyering <meyering@redhat.com>* parents: 9473 diff changeset	54 AC_DEFINE([HAVE_LONG_LONG_INT], [1],
16234 f9b906545e2f Use ', not `, for quoting output. Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	55 [Define to 1 if the system has the type 'long long int'.])
6906 b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	56 fi
b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	57 ])
b912515df187 Simplification rewrite for stdint module. Paul Eggert <eggert@cs.ucla.edu> parents: 5585 diff changeset	58
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	59 # Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
39944 eb64273b66c2 Assume Autoconf >= 2.63. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	60 # This fixes can be faster than what's in Autoconf 2.62 through 2.68.
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	61
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	62 # Note: If the type 'unsigned long long int' exists but is only 32 bits
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	63 # large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	64 # will not be defined. In this case you can treat 'unsigned long long int'
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	65 # like 'unsigned long int'.
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	66
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	67 AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	68 [
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	69 AC_CACHE_CHECK([for unsigned long long int],
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	70 [ac_cv_type_unsigned_long_long_int],
14356 42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	71 [ac_cv_type_unsigned_long_long_int=yes
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	72 if test "x${ac_cv_prog_cc_c99-no}" = xno; then
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	73 AC_LINK_IFELSE(
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	74 [_AC_TYPE_LONG_LONG_SNIPPET],
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	75 [],
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	76 [ac_cv_type_unsigned_long_long_int=no])
42153542d24a longlong: tune, particularly for common case of c99 Paul Eggert <eggert@cs.ucla.edu> parents: 14079 diff changeset	77 fi])
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	78 if test $ac_cv_type_unsigned_long_long_int = yes; then
11007 f6cba5a556ce many .m4 files: improve m4 quoting Jim Meyering <meyering@redhat.com>* parents: 9473 diff changeset	79 AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
16234 f9b906545e2f Use ', not `, for quoting output. Paul Eggert <eggert@cs.ucla.edu> parents: 16201 diff changeset	80 [Define to 1 if the system has the type 'unsigned long long int'.])
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	81 fi
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	82 ])
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	83
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	84 # Expands to a C program that can be used to test for simultaneous support
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	85 # of 'long long' and 'unsigned long long'. We don't want to say that
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	86 # 'long long' is available if 'unsigned long long' is not, or vice versa,
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	87 # because too many programs rely on the symmetry between signed and unsigned
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	88 # integer types (excluding 'bool').
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	89 AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	90 [
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	91 AC_LANG_PROGRAM(
9473 8c3f82d802ec Don't insist on 'long long int' support in the preprocessor. It Paul Eggert <eggert@cs.ucla.edu> parents: 9432 diff changeset	92 [[/* For now, do not test the preprocessor; as of 2007 there are too many
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	93 implementations with broken preprocessors. Perhaps this can
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	94 be revisited in 2012. In the meantime, code should not expect
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	95 #if to work with literals wider than 32 bits. */
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	96 /* Test literals. */
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	97 long long int ll = 9223372036854775807ll;
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	98 long long int nll = -9223372036854775807LL;
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	99 unsigned long long int ull = 18446744073709551615ULL;
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	100 /* Test constant expressions. */
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	101 typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	102 ? 1 : -1)];
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	103 typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	104 ? 1 : -1)];
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	105 int i = 63;]],
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	106 [[/* Test availability of runtime routines for shift and division. */
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	107 long long int llmax = 9223372036854775807ll;
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	108 unsigned long long int ullmax = 18446744073709551615ull;
5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	109 return ((ll << 63) \| (ll >> 63) \| (ll < i) \| (ll > i)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	110 \| (llmax / ll) \| (llmax % ll)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	111 \| (ull << 63) \| (ull >> 63) \| (ull << i) \| (ull >> i)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 11007 diff changeset	112 \| (ullmax / ull) \| (ullmax % ull));]])
9431 5ba286cacd14 Ensure AC_TYPE_LONG_LONG_INT and AC_TYPE_UNSIGNED_LONG_LONG_INT are consistent. Bruno Haible <bruno@clisp.org> parents: 9350 diff changeset	113 ])

Mercurial > gnulib

annotate m4/longlong.m4 @ 39944:eb64273b66c2