88 lines
3.5 KiB
CMake
88 lines
3.5 KiB
CMake
# Copyright (c) 2012, 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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INCLUDE(CheckCCompilerFlag)
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INCLUDE(CheckCXXCompilerFlag)
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INCLUDE(cmake/floating_point.cmake)
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SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
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# Compiler options
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IF(UNIX)
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IF(MY_COMPILER_IS_GNU_OR_CLANG AND NOT SOLARIS)
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SET(SECTIONS_FLAG "-ffunction-sections -fdata-sections")
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ELSE()
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SET(SECTIONS_FLAG)
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ENDIF()
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# Default GCC flags
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IF(MY_COMPILER_IS_GNU)
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SET(COMMON_C_FLAGS "-fno-omit-frame-pointer")
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# Disable inline optimizations for valgrind testing to avoid false positives
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IF(WITH_VALGRIND)
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STRING_PREPEND(COMMON_C_FLAGS "-fno-inline ")
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ENDIF()
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# Disable floating point expression contractions to avoid result differences
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IF(HAVE_C_FLOATING_POINT_FUSED_MADD)
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STRING_APPEND(COMMON_C_FLAGS " -ffp-contract=off")
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ENDIF()
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SET(COMMON_CXX_FLAGS "-std=c++20 -fno-omit-frame-pointer")
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# Disable inline optimizations for valgrind testing to avoid false positives
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IF(WITH_VALGRIND)
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STRING_PREPEND(COMMON_CXX_FLAGS "-fno-inline ")
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ENDIF()
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# Disable floating point expression contractions to avoid result differences
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IF(HAVE_CXX_FLOATING_POINT_FUSED_MADD)
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STRING_APPEND(COMMON_CXX_FLAGS " -ffp-contract=off")
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ENDIF()
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ENDIF()
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# Default Clang flags
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IF(MY_COMPILER_IS_CLANG)
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SET(COMMON_C_FLAGS "-fno-omit-frame-pointer")
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SET(COMMON_CXX_FLAGS "-std=c++20 -fno-omit-frame-pointer")
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ENDIF()
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# Faster TLS model
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# libprotobuf-lite.so.24.4: cannot allocate memory in static TLS block
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IF(MY_COMPILER_IS_GNU_OR_CLANG
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AND NOT LINUX_ARM
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AND NOT SOLARIS AND NOT LINUX_RHEL6 AND NOT LINUX_ALPINE)
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STRING_APPEND(COMMON_C_FLAGS " -ftls-model=initial-exec")
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STRING_APPEND(COMMON_CXX_FLAGS " -ftls-model=initial-exec")
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ENDIF()
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# Use STRING_PREPEND here, so command-line input can override our defaults.
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STRING_PREPEND(CMAKE_C_FLAGS "${COMMON_C_FLAGS} ")
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STRING_PREPEND(CMAKE_C_FLAGS_RELWITHDEBINFO "${SECTIONS_FLAG} ")
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STRING_PREPEND(CMAKE_C_FLAGS_RELEASE "${SECTIONS_FLAG} ")
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STRING_PREPEND(CMAKE_C_FLAGS_MINSIZEREL "${SECTIONS_FLAG} ")
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STRING_PREPEND(CMAKE_CXX_FLAGS "${COMMON_CXX_FLAGS} ")
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STRING_PREPEND(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${SECTIONS_FLAG} ")
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STRING_PREPEND(CMAKE_CXX_FLAGS_RELEASE "${SECTIONS_FLAG} ")
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STRING_PREPEND(CMAKE_CXX_FLAGS_MINSIZEREL "${SECTIONS_FLAG} ")
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ENDIF()
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