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e1f0518de0
Revise the logic from commit v3.7.0-rc1~173^2~2 (GNU: Do not use -fvisibility on AIX or HP-UX, 2016-09-03) to add a version check. The GCC 7 release notes [1] state that visibility support has been added for AIX 7.1 and above. [1] https://gcc.gnu.org/gcc-7/changes.html
31 lines
1.2 KiB
CMake
31 lines
1.2 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# This module is shared by multiple languages; use include blocker.
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if(__AIX_COMPILER_GNU)
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return()
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endif()
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set(__AIX_COMPILER_GNU 1)
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#
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# By default, runtime linking is enabled. All shared objects specified on the command line
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# will be listed, even if there are no symbols referenced, in the output file.
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string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " -Wl,-brtl")
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string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " -Wl,-brtl")
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string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " -Wl,-brtl")
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macro(__aix_compiler_gnu lang)
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set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG "-Wl,-blibpath:")
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set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG_SEP ":")
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string(APPEND CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS " -Wl,-G,-bnoipath")
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set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-Wl,-bexpall")
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set(CMAKE_${lang}_USE_IMPLICIT_LINK_DIRECTORIES_IN_RUNTIME_PATH 1)
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set(CMAKE_${lang}_LINK_FLAGS "-Wl,-bnoipath")
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 7 OR CMAKE_SYSTEM_VERSION VERSION_LESS 7.1)
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unset(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY)
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endif()
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endmacro()
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