59 lines
2.3 KiB
CMake
59 lines
2.3 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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# As of cmake 3.13 there is a new target_link_options(....) function.
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# This adds link options to executables or shared libraries.
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# For example, "LINKER:-z,defs" becomes
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# for gcc : -Wl,-z,defs
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# for clang : -Xlinker -z -Xlinker defs
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# for SunPro: -Qoption ld -z,defs
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# This is a home-grown replacement for target_link_options, since
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# we need to support older versions of cmake.
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IF(UNIX)
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SET(MY_LINKER_WRAPPER_FLAG "-Wl,")
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ELSE()
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SET(MY_LINKER_WRAPPER_FLAG "")
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ENDIF()
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# We currently only need -Wl,<comma separated option list>
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# so we can simply do STRING_APPEND on the appropriate LINK_FLAGS.
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FUNCTION(MY_TARGET_LINK_OPTIONS target option_string)
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IF(option_string STREQUAL "")
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RETURN()
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ENDIF()
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GET_TARGET_PROPERTY(target_link_flags ${target} LINK_FLAGS)
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IF(NOT target_link_flags)
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SET(target_link_flags)
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ENDIF()
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IF(option_string MATCHES "LINKER:")
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STRING(REPLACE "LINKER:" "" option_string "${option_string}")
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STRING_APPEND(target_link_flags
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" ${MY_LINKER_WRAPPER_FLAG}${option_string}")
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ELSE()
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STRING_APPEND(target_link_flags " ${option_string}")
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ENDIF()
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SET_TARGET_PROPERTIES(${target} PROPERTIES LINK_FLAGS ${target_link_flags})
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ENDFUNCTION()
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