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author | Pawel Kowalski <p.kowalski2@partner.samsung.com> | 2019-08-28 14:31:23 +0200 |
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committer | Pawel Kowalski <p.kowalski2@partner.samsung.com> | 2019-08-28 16:56:31 +0200 |
commit | dee455252ad321c660b411b4ecd65aa5e08f8fc1 (patch) | |
tree | b55f9ec039e963e42605e9e9bdc186354cf9df42 /m4-gl/longlong.m4 | |
parent | 5c7e0aaf17a296535495e3431db6a86ad64064b3 (diff) | |
parent | 26bea900a531662c6028ecc06f4adea825658434 (diff) | |
download | libtasn1-dee455252ad321c660b411b4ecd65aa5e08f8fc1.tar.gz libtasn1-dee455252ad321c660b411b4ecd65aa5e08f8fc1.tar.bz2 libtasn1-dee455252ad321c660b411b4ecd65aa5e08f8fc1.zip |
Merge tag 'upstream/4.14' into tizentizen_6.5.m2_releasetizen_6.0.m2_releasetizen_5.5.m2_releasesubmit/tizen_6.5/20211028.163501submit/tizen_6.0_hotfix/20201103.115102submit/tizen_6.0_hotfix/20201102.192902submit/tizen_6.0/20201029.205502submit/tizen_5.5_wearable_hotfix/20201026.184307submit/tizen_5.5_mobile_hotfix/20201026.185107submit/tizen_5.5/20191031.000007submit/tizen/20190904.070216submit/tizen/20190829.061506accepted/tizen/unified/20190904.110630accepted/tizen/6.5/unified/20211029.014057accepted/tizen/6.0/unified/hotfix/20201103.050702accepted/tizen/6.0/unified/hotfix/20201102.234932accepted/tizen/6.0/unified/20201030.110146accepted/tizen/5.5/unified/wearable/hotfix/20201027.100357accepted/tizen/5.5/unified/mobile/hotfix/20201027.074057accepted/tizen/5.5/unified/20191031.011500tizen_6.5tizen_6.0_hotfixtizen_6.0tizen_5.5_wearable_hotfixtizen_5.5_tvtizen_5.5_mobile_hotfixtizen_5.5accepted/tizen_6.5_unifiedaccepted/tizen_6.0_unified_hotfixaccepted/tizen_6.0_unifiedaccepted/tizen_5.5_unified_wearable_hotfixaccepted/tizen_5.5_unified_mobile_hotfixaccepted/tizen_5.5_unified
Change-Id: I6d4b47b2072db8e7c45daa6e269e2f0cc6f54a7f
Diffstat (limited to 'm4-gl/longlong.m4')
-rw-r--r-- | m4-gl/longlong.m4 | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/m4-gl/longlong.m4 b/m4-gl/longlong.m4 new file mode 100644 index 0000000..08d0e36 --- /dev/null +++ b/m4-gl/longlong.m4 @@ -0,0 +1,113 @@ +# longlong.m4 serial 18 +dnl Copyright (C) 1999-2007, 2009-2019 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. + +dnl From Paul Eggert. + +AC_PREREQ([2.62]) + +# Define HAVE_LONG_LONG_INT if 'long long int' works. +# This can be faster than what's in Autoconf 2.62 through 2.68. + +# 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 +# defined. In this case you can treat 'long long int' like 'long int'. + +AC_DEFUN([AC_TYPE_LONG_LONG_INT], +[ + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) + AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int], + [ac_cv_type_long_long_int=yes + if test "x${ac_cv_prog_cc_c99-no}" = xno; then + ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int + if test $ac_cv_type_long_long_int = yes; then + dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004. + dnl If cross compiling, assume the bug is not 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=no], + [:]) + fi + fi]) + if test $ac_cv_type_long_long_int = yes; then + AC_DEFINE([HAVE_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'long long int'.]) + fi +]) + +# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works. +# This can be faster than what's in Autoconf 2.62 through 2.68. + +# Note: If the type 'unsigned long long int' exists but is only 32 bits +# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT +# will not be defined. In this case you can treat 'unsigned long long int' +# like 'unsigned long int'. + +AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], +[ + AC_CACHE_CHECK([for unsigned long long int], + [ac_cv_type_unsigned_long_long_int], + [ac_cv_type_unsigned_long_long_int=yes + if test "x${ac_cv_prog_cc_c99-no}" = xno; then + AC_LINK_IFELSE( + [_AC_TYPE_LONG_LONG_SNIPPET], + [], + [ac_cv_type_unsigned_long_long_int=no]) + fi]) + 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));]]) +]) |