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110 lines
5.1 KiB
110 lines
5.1 KiB
# 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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#
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# BlueGeneP base platform file.
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#
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# NOTE: Do not set your platform to "BlueGeneP-base". This file is included
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# by the real platform files. Use one of these two platforms instead:
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#
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# BlueGeneP-dynamic For dynamically linked builds
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# BlueGeneP-static For statically linked builds
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#
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# This platform file tries its best to adhere to the behavior of the MPI
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# compiler wrappers included with the latest BG/P drivers.
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#
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#
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# For BGP builds, we're cross compiling, but we don't want to re-root things
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# (e.g. with CMAKE_FIND_ROOT_PATH) because users may have libraries anywhere on
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# the shared filesystems, and this may lie outside the root. Instead, we set the
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# system directories so that the various system BGP CNK library locations are
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# searched first. This is not the clearest thing in the world, given IBM's driver
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# layout, but this should cover all the standard ones.
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#
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set(CMAKE_SYSTEM_LIBRARY_PATH
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/bgsys/drivers/ppcfloor/comm/default/lib # default comm layer (used by mpi compiler wrappers)
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/bgsys/drivers/ppcfloor/comm/sys/lib # DCMF, other lower-level comm libraries
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/bgsys/drivers/ppcfloor/runtime/SPI # other low-level stuff
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/bgsys/drivers/ppcfloor/gnu-linux/lib # CNK python installation directory
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/bgsys/drivers/ppcfloor/gnu-linux/powerpc-bgp-linux/lib # CNK Linux image -- standard runtime libs, pthread, etc.
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)
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#
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# This adds directories that find commands should specifically ignore for cross compiles.
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# Most of these directories are the includeand lib directories for the frontend on BG/P systems.
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# Not ignoring these can cause things like FindX11 to find a frontend PPC version mistakenly.
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# We use this on BG instead of re-rooting because backend libraries are typically strewn about
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# the filesystem, and we can't re-root ALL backend libraries to a single place.
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#
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set(CMAKE_SYSTEM_IGNORE_PATH
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/lib /lib64 /include
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/usr/lib /usr/lib64 /usr/include
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/usr/local/lib /usr/local/lib64 /usr/local/include
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/usr/X11/lib /usr/X11/lib64 /usr/X11/include
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/usr/lib/X11 /usr/lib64/X11 /usr/include/X11
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/usr/X11R6/lib /usr/X11R6/lib64 /usr/X11R6/include
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/usr/X11R7/lib /usr/X11R7/lib64 /usr/X11R7/include
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)
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#
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# Library prefixes, suffixes, extra libs.
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#
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set(CMAKE_LINK_LIBRARY_SUFFIX "")
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set(CMAKE_STATIC_LIBRARY_PREFIX "lib") # lib
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set(CMAKE_STATIC_LIBRARY_SUFFIX ".a") # .a
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set(CMAKE_SHARED_LIBRARY_PREFIX "lib") # lib
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set(CMAKE_SHARED_LIBRARY_SUFFIX ".so") # .so
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set(CMAKE_EXECUTABLE_SUFFIX "") # .exe
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set(CMAKE_DL_LIBS "dl")
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#
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# This macro needs to be called for dynamic library support. Unfortunately on BGP,
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# We can't support both static and dynamic links in the same platform file. The
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# dynamic link platform file needs to call this explicitly to set up dynamic linking.
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#
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macro(__BlueGeneP_set_dynamic_flags compiler_id lang)
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if (${compiler_id} STREQUAL XL)
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# Flags for XL compilers if we explicitly detected XL
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-qpic")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-qpie")
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set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-qpic")
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set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-qmkshrobj -qnostaticlink")
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set(BGP_${lang}_DYNAMIC_EXE_FLAGS "-qnostaticlink -qnostaticlink=libgcc")
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else()
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# Assume flags for GNU compilers (if the ID is GNU *or* anything else).
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
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set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
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set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
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set(BGP_${lang}_DYNAMIC_EXE_FLAGS "-dynamic")
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endif()
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# Both toolchains use the GNU linker on BG/P, so these options are shared.
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set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG "-Wl,-rpath,")
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set(CMAKE_SHARED_LIBRARY_RPATH_LINK_${lang}_FLAG "-Wl,-rpath-link,")
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set(CMAKE_SHARED_LIBRARY_SONAME_${lang}_FLAG "-Wl,-soname,")
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set(CMAKE_EXE_EXPORTS_${lang}_FLAG "-Wl,--export-dynamic")
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set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "") # +s, flag for exe link to use shared lib
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set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG_SEP ":") # : or empty
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set(BGP_${lang}_DEFAULT_EXE_FLAGS
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"<FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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set(CMAKE_${lang}_LINK_EXECUTABLE
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"<CMAKE_${lang}_COMPILER> -Wl,-relax ${BGP_${lang}_DYNAMIC_EXE_FLAGS} ${BGP_${lang}_DEFAULT_EXE_FLAGS}")
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endmacro()
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#
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# This macro needs to be called for static builds. Right now it just adds -Wl,-relax
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# to the link line.
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#
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macro(__BlueGeneP_set_static_flags compiler_id lang)
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set(BGP_${lang}_DEFAULT_EXE_FLAGS
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"<FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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set(CMAKE_${lang}_LINK_EXECUTABLE
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"<CMAKE_${lang}_COMPILER> -Wl,-relax ${BGP_${lang}_DEFAULT_EXE_FLAGS}")
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endmacro()
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