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# Copyright (c) 2017 Percona LLC and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
PROJECT(crc C)
IF(NOT CMAKE_CROSSCOMPILING AND NOT MSVC)
STRING(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} processor)
IF(processor MATCHES "86" OR processor MATCHES "amd64" OR processor MATCHES "x64")
# Check for PCLMUL instruction
CHECK_C_SOURCE_RUNS("
int main()
{
asm volatile (\"pclmulqdq \\$0x00, %%xmm1, %%xmm0\":::\"cc\");
return 0;
}" HAVE_CLMUL_INSTRUCTION)
ENDIF()
ENDIF()
IF(HAVE_CLMUL_INSTRUCTION)
ADD_DEFINITIONS(-DHAVE_CLMUL_INSTRUCTION)
ENDIF()
ADD_LIBRARY(crc crc_glue.c crc-intel-pclmul.c)
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