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95 lines
3.2 KiB
95 lines
3.2 KiB
# Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2.0,
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# as published by the Free Software Foundation.
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#
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# This program is also distributed with certain software (including
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# but not limited to OpenSSL) that is licensed under separate terms,
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# as designated in a particular file or component or in included license
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# documentation. The authors of MySQL hereby grant you an additional
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# permission to link the program and your derivative works with the
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# separately licensed software that they have included with MySQL.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License, version 2.0, for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# This file includes Linux specific options and quirks, related to system checks
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INCLUDE(CheckSymbolExists)
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INCLUDE(CheckCSourceRuns)
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SET(LINUX 1)
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IF(EXISTS "/etc/SuSE-release")
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SET(LINUX_SUSE 1)
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ENDIF()
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IF(EXISTS "/etc/alpine-release")
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SET(LINUX_ALPINE 1)
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ENDIF()
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IF(EXISTS "/etc/fedora-release")
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SET(LINUX_FEDORA 1)
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FILE(READ "/etc/fedora-release" FEDORA_RELEASE)
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IF(FEDORA_RELEASE MATCHES "Fedora" AND
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FEDORA_RELEASE MATCHES "28")
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SET(LINUX_FEDORA_28 1)
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ENDIF()
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ENDIF()
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# We require at least GCC 5.3 or Clang 3.4.
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IF(NOT FORCE_UNSUPPORTED_COMPILER)
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IF(MY_COMPILER_IS_GNU)
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EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -dumpversion
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OUTPUT_STRIP_TRAILING_WHITESPACE
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OUTPUT_VARIABLE GCC_VERSION)
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# -dumpversion may output only MAJOR.MINOR rather than MAJOR.MINOR.PATCH
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IF(GCC_VERSION VERSION_LESS 5.3)
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SET(WARNING_LEVEL WARNING)
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IF(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
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SET(WARNING_LEVEL FATAL_ERROR)
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ENDIF()
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MESSAGE(${WARNING_LEVEL}
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"GCC 5.3 or newer is required (-dumpversion says ${GCC_VERSION})")
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ENDIF()
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ELSEIF(MY_COMPILER_IS_CLANG)
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CHECK_C_SOURCE_RUNS("
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int main()
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{
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return (__clang_major__ < 3) ||
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(__clang_major__ == 3 && __clang_minor__ < 4);
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}" HAVE_SUPPORTED_CLANG_VERSION)
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IF(NOT HAVE_SUPPORTED_CLANG_VERSION)
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MESSAGE(FATAL_ERROR "Clang 3.4 or newer is required!")
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ENDIF()
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ELSE()
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MESSAGE(FATAL_ERROR "Unsupported compiler!")
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ENDIF()
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ENDIF()
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# ISO C89, ISO C99, POSIX.1, POSIX.2, BSD, SVID, X/Open, LFS, and GNU extensions.
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ADD_DEFINITIONS(-D_GNU_SOURCE)
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# 64 bit file offset support flag
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ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
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# Ensure we have clean build for shared libraries
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# without unresolved symbols
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# Not supported with Sanitizers
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IF(NOT WITH_ASAN AND
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NOT WITH_LSAN AND
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NOT WITH_MSAN AND
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NOT WITH_TSAN AND
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NOT WITH_UBSAN)
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SET(LINK_FLAG_NO_UNDEFINED "-Wl,--no-undefined")
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ENDIF()
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# Linux specific HUGETLB /large page support
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CHECK_SYMBOL_EXISTS(SHM_HUGETLB sys/shm.h HAVE_LINUX_LARGE_PAGES)
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