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42 lines
1.5 KiB
CMake
42 lines
1.5 KiB
CMake
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# Copyright (c) 2010, 2013, 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 as published by
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# the Free Software Foundation; version 2 of the License.
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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 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 02110-1335 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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# Something that needs to be set on legacy reasons
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SET(TARGET_OS_LINUX 1)
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SET(_GNU_SOURCE 1)
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SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_GNU_SOURCE=1)
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# Fix CMake (< 2.8) flags. -rdynamic exports too many symbols.
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FOREACH(LANG C CXX)
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STRING(REPLACE "-rdynamic" ""
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CMAKE_SHARED_LIBRARY_LINK_${LANG}_FLAGS
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"${CMAKE_SHARED_LIBRARY_LINK_${LANG}_FLAGS}"
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)
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ENDFOREACH()
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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 the clang sanitizers
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IF(NOT WITH_ASAN AND NOT WITH_TSAN AND NOT WITH_UBSAN)
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SET(LINK_FLAG_NO_UNDEFINED "-Wl,--no-undefined")
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ENDIF()
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# 64 bit file offset support flag
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SET(_FILE_OFFSET_BITS 64)
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