mirror of
https://github.com/open-quantum-safe/liboqs.git
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4a2a3cd059
* Supporting BIKE KEM reference code * Hiding print global symbol when VERBOSE!=2 * Supporting USE_OPENSSL + OPENSSL_DIR * Rename functions by using a legend instead of the FN() macro * prettyprint * Fixing the bug caused by OpenSSL GF2m_mod_inv API change in 1.1* see https://github.com/open-quantum-safe/openssl/issues/42 for more details. * 1) Adding BIKE-1 Level-1/3 with the FO tranformation 2) Removing BIKE-2/3 3) Removing BIKE-1 Level-5 4) Renaming BIKE-1 Level-1/3 to BIKE-1-CPA * Fixing tests * Fixing the CPA KATs * Supporting AVX512 * Enable BIKE in CircleCI * Fixing ARM script with the new BIKE names. * Don't include OpenSSL headers when the flag --without-openssl is provided * Fixing duplicate symbol * Typo in symbol name * Removing the dependency on config.h * Addressing comments from the review * Update KEM algorithms length [skip ci]
77 lines
3.4 KiB
Plaintext
77 lines
3.4 KiB
Plaintext
# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_check_x86_features.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_X86_FEATURES([ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
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#
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# DESCRIPTION
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#
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# Checks if the host cpu supports various x86 instruction set, the
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# instructions that will get tested are "mmx, popcnt, sse, sse2, sse3,
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# sse4.1, sse4.2, sse4a, avx, avx2, avx512f, fma, fma4, bmi, bmi2". If the
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# instruction set is supported by the host cpu, the C preprocessor macro
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# HAVE_XXX_INSTRUCTIONS is set to 1. The XXX is up-cased instruction case
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# with dot replaced by underscore. For example, the test for "sse4.2"
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# would export HAVE_SSE4_2_INSTRUCTIONS=1. Also the compiler flag
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# "-msse4.2" would be added to X86_FEATURE_CFLAGS variable, that can be
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# obtained in Makefile.am using @X86_FEATURE_CFLAGS@.
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#
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# If any of the test for the instruction set were succeeded, the configure
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# script would run ACTION-IF-FOUND if it is specified, or append
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# X86_FEATURE_CFLAGS to CFLAGS. If none of the instruction were found,
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# ACTION-IF-NOT-FOUND hook is triggered.
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#
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# This macro requires gcc extended builtin function "__builtin_cpu_init"
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# and "__builtin_cpu_supports" to detect the cpu features. It will error
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# out if the compiler doesn't has these builtins.
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#
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# See also AX_GCC_X86_CPU_SUPPORTS, which is the actual macro that perform
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# the checks for the instruction sets.
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#
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# LICENSE
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#
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# Copyright (c) 2016 Felix Chern <idryman@gmail.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 2
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AC_DEFUN([AX_CHECK_X86_FEATURES],
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[m4_foreach_w(
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[ax_x86_feature],
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[mmx popcnt sse sse2 sse3 sse4.1 sse4.2 sse4a avx avx2 avx512f avx512bw avx512dq fma fma4 bmi aes],
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[AX_X86_CPU_SUPPORTS(ax_x86_feature,
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[X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -m[]ax_x86_feature"],
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[])
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])
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AC_SUBST([X86_FEATURE_CFLAGS])
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m4_ifval([$1],[$1],
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[CFLAGS="$CFLAGS $X86_FEATURE_CFLAGS"])
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$2
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]) |