77 lines
3.5 KiB
CMake
77 lines
3.5 KiB
CMake
# Copyright (c) 2020, 2024, Oracle and/or its affiliates.
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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 designed to work 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 either included with
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# the program or referenced in the documentation.
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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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FUNCTION(WARN_MISSING_SYSTEM_TCMALLOC)
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MESSAGE(WARNING "Cannot find tcmalloc development libraries. "
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"You need to install the required packages:\n"
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" Debian/Ubuntu: apt install libgoogle-perftools-dev\n"
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" RedHat/Fedora/Oracle Linux: yum install gperftools-devel\n"
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" SuSE: zypper install gperftools-devel\n"
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)
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ENDFUNCTION()
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FUNCTION(WARN_MISSING_SYSTEM_JEMALLOC)
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MESSAGE(WARNING "Cannot find jemalloc development libraries. "
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"You need to install the required packages:\n"
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" Debian/Ubuntu: apt install libjemalloc-dev\n"
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" RedHat/Fedora/Oracle Linux: yum install jemalloc-devel\n"
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" SuSE: zypper install jemalloc-devel\n"
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)
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ENDFUNCTION()
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FUNCTION(FIND_MALLOC_LIBRARY library_name)
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# Skip system tcmalloc, and build the bundled version instead.
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IF(WITH_TCMALLOC STREQUAL "bundled")
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RETURN()
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ENDIF()
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FIND_LIBRARY(MALLOC_LIBRARY ${library_name})
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IF(NOT MALLOC_LIBRARY)
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IF(library_name MATCHES "tcmalloc")
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WARN_MISSING_SYSTEM_TCMALLOC()
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ELSE()
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WARN_MISSING_SYSTEM_JEMALLOC()
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ENDIF()
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MESSAGE(FATAL_ERROR "Library ${library_name} not found")
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ENDIF()
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# There are some special considerations when using the RedHat gcc toolsets:
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# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/
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# html/developing_c_and_cpp_applications_in_rhel_8/
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# additional-toolsets-for-development_developing-applications
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#
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# For mysqld (and possibly other binaries),
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# we need tcmalloc to be the last library on the link line.
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# Or more specifically:
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# after any library that might pull in libstdc++_nonshared.a
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# Cmake will analyze target dependencies, and will add -ltcmalloc
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# somewhere on the compiler/linker command line accordingly.
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# There is no way to tell cmake to "link this library last",
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# so we modify CMAKE_CXX_LINK_EXECUTABLE instead.
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# For the original contents of CMAKE_CXX_LINK_EXECUTABLE,
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# see e.g. cmake-3.20.1/Modules/CMakeCXXInformation.cmake
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SET(ORIGINAL_CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE}")
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SET(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -l${library_name}")
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SET(ORIGINAL_CMAKE_CXX_LINK_EXECUTABLE "${ORIGINAL_CMAKE_CXX_LINK_EXECUTABLE}" PARENT_SCOPE)
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SET(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE}" PARENT_SCOPE)
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ENDFUNCTION()
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