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fd34cde5ad
Some components are not yet MultiArch-aware and installs to either lib/ (Debian) or lib64/ (RHEL) on 64-bit platforms. If we need to interface with these components, then it is nice to have such a variable set together with the regular detection code.
36 lines
1.3 KiB
CMake
36 lines
1.3 KiB
CMake
# - Multiarch support in object code library directories
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#
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# This module sets the following variable
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# CMAKE_INSTALL_LIBDIR to lib, lib64 or lib/x86_64-linux-gnu
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# depending on the platform; use this path
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# for platform-specific binaries.
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#
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# Note that it will override the results of GNUInstallDirs if included after
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# that module.
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# default if we need to put something in the library directory for a
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# component that is *not* multiarch-aware
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set (LIBDIR_MULTIARCH_UNAWARE "lib")
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# Fedora uses lib64/ for 64-bit systems, Debian uses lib/x86_64-linux-gnu
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if ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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# Debian or Ubuntu?
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if (EXISTS "/etc/debian_version")
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set (_libdir_def "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
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else (EXISTS "/etc/debian_version")
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# 64-bit system?
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if (CMAKE_SIZEOF_VOID_P EQUAL 8)
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set (_libdir_def "lib64")
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set (LIBDIR_MULTIARCH_UNAWARE "${_libdir_def}")
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else (CMAKE_SIZEOF_VOID_P EQUAL 8)
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set (_libdir_def "lib")
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endif (CMAKE_SIZEOF_VOID_P EQUAL 8)
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endif (EXISTS "/etc/debian_version")
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else ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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set (_libdir_def "lib")
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endif ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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# let the user override if somewhere else is desirable
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set (CMAKE_INSTALL_LIBDIR "${_libdir_def}" CACHE PATH "Object code libraries")
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mark_as_advanced (CMAKE_INSTALL_LIBDIR)
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