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All of NetBSD, FreeBSD, OpenBSD and DragonFly BSD support `$ORIGIN`, but the last two require `-z origin` as documented at https://lekensteyn.nl/rpath.html The `-z origin` option causes a flag bit to be set and has no effect if the `RPATH` does not contain expandable tokens.
44 lines
1.4 KiB
CMake
44 lines
1.4 KiB
CMake
include(Platform/NetBSD)
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# On OpenBSD, the compile time linker does not share it's configuration with
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# the runtime linker. This will extract the library search paths from the
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# system's ld.so.hints file which will allow CMake to set the appropriate
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# -rpath-link flags
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if(NOT CMAKE_PLATFORM_RUNTIME_PATH)
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execute_process(COMMAND /sbin/ldconfig -r
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OUTPUT_VARIABLE LDCONFIG_HINTS
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ERROR_QUIET)
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string(REGEX REPLACE ".*search\\ directories:\\ ([^\n]*).*" "\\1"
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LDCONFIG_HINTS "${LDCONFIG_HINTS}")
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string(REPLACE ":" ";"
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CMAKE_PLATFORM_RUNTIME_PATH
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"${LDCONFIG_HINTS}")
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endif()
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# OpenBSD requires -z origin to enable $ORIGIN expansion in RPATH.
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# This is not required for NetBSD.
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set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-z,origin,-rpath,")
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set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_OPENBSD_VERSIONING 1)
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# OpenBSD has no multilib
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set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS FALSE)
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set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS FALSE)
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# OpenBSD policy requires that shared libraries be installed without
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# executable permission.
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set(CMAKE_INSTALL_SO_NO_EXE 1)
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if($ENV{LOCALBASE})
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set(OPENBSD_LOCALBASE $ENV{LOCALBASE})
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else()
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set(OPENBSD_LOCALBASE /usr/local)
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endif()
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if($ENV{X11BASE})
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set(OPENBSD_X11BASE $ENV{X11BASE})
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else()
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set(OPENBSD_X11BASE /usr/X11R6)
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endif()
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list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${OPENBSD_LOCALBASE})
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