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Diffstat (limited to 'Modules/Platform/BlueGeneQ-base.cmake')
| -rw-r--r-- | Modules/Platform/BlueGeneQ-base.cmake | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/Modules/Platform/BlueGeneQ-base.cmake b/Modules/Platform/BlueGeneQ-base.cmake new file mode 100644 index 0000000..fa8dc52 --- /dev/null +++ b/Modules/Platform/BlueGeneQ-base.cmake @@ -0,0 +1,177 @@ + +#============================================================================= +# Copyright 2010 Kitware, Inc. +# Copyright 2010 Todd Gamblin <tgamblin@llnl.gov> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +# +# Blue Gene/Q base platform file. +# +# NOTE: Do not set your platform to "BlueGeneQ-base". This file is +# included by the real platform files. Use one of these two platforms +# instead: +# +# BlueGeneQ-dynamic For dynamically linked executables +# BlueGeneQ-static For statically linked executables +# +# The platform you choose doesn't affect whether or not you can build +# shared or static libraries -- it ONLY changs whether exeuatbles are linked +# statically or dynamically. +# +# This platform file tries its best to adhere to the behavior of the MPI +# compiler wrappers included with the latest BG/P drivers. +# + +# +# This adds directories that find commands should specifically ignore +# for cross compiles. Most of these directories are the includeand +# lib directories for the frontend on BG/P systems. Not ignoring +# these can cause things like FindX11 to find a frontend PPC version +# mistakenly. We use this on BG instead of re-rooting because backend +# libraries are typically strewn about the filesystem, and we can't +# re-root ALL backend libraries to a single place. +# +set(CMAKE_SYSTEM_IGNORE_PATH + /lib /lib64 /include + /usr/lib /usr/lib64 /usr/include + /usr/local/lib /usr/local/lib64 /usr/local/include + /usr/X11/lib /usr/X11/lib64 /usr/X11/include + /usr/lib/X11 /usr/lib64/X11 /usr/include/X11 + /usr/X11R6/lib /usr/X11R6/lib64 /usr/X11R6/include + /usr/X11R7/lib /usr/X11R7/lib64 /usr/X11R7/include +) + +# +# Indicate that this is a unix-like system +# +set(UNIX 1) + +# +# Library prefixes, suffixes, extra libs. +# +set(CMAKE_LINK_LIBRARY_SUFFIX "") +set(CMAKE_STATIC_LIBRARY_PREFIX "lib") # lib +set(CMAKE_STATIC_LIBRARY_SUFFIX ".a") # .a + +set(CMAKE_SHARED_LIBRARY_PREFIX "lib") # lib +set(CMAKE_SHARED_LIBRARY_SUFFIX ".so") # .so +set(CMAKE_EXECUTABLE_SUFFIX "") # .exe + +set(CMAKE_DL_LIBS "dl") + +# +# BG/Q supports dynamic libraries regardless of whether we're building +# static or dynamic *executables*. +# +set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE) +set(CMAKE_FIND_LIBRARY_PREFIXES "lib") + +# +# For BGQ builds, we're cross compiling, but we don't want to re-root things +# (e.g. with CMAKE_FIND_ROOT_PATH) because users may have libraries anywhere on +# the shared filesystems, and this may lie outside the root. Instead, we set the +# system directories so that the various system BG CNK library locations are +# searched first. This is not the clearest thing in the world, given IBM's driver +# layout, but this should cover all the standard ones. +# +macro(__BlueGeneQ_common_setup compiler_id lang) + # Need to use the version of the comm lib compiled with the right compiler. + set(__BlueGeneQ_commlib_dir gcc) + if (${compiler_id} STREQUAL XL) + set(__BlueGeneQ_commlib_dir xl) + endif() + + set(CMAKE_SYSTEM_LIBRARY_PATH + /bgsys/drivers/ppcfloor/comm/default/lib # default comm layer (used by mpi compiler wrappers) + /bgsys/drivers/ppcfloor/comm/${__BlueGeneQ_commlib_dir}/lib # PAMI, other lower-level comm libraries + /bgsys/drivers/ppcfloor/gnu-linux/lib # CNK python installation directory + /bgsys/drivers/ppcfloor/gnu-linux/powerpc64-bgq-linux/lib # CNK Linux image -- standard runtime libs, pthread, etc. + ) + + # Add all the system include paths. + set(CMAKE_SYSTEM_INCLUDE_PATH + /bgsys/drivers/ppcfloor/comm/sys/include + /bgsys/drivers/ppcfloor/ + /bgsys/drivers/ppcfloor/spi/include + /bgsys/drivers/ppcfloor/spi/include/kernel/cnk + /bgsys/drivers/ppcfloor/comm/${__BlueGeneQ_commlib_dir}/include + ) + + # Ensure that the system directories are included with the regular compilers, as users will expect this + # to do the same thing as the MPI compilers, which add these flags. + set(BGQ_SYSTEM_INCLUDES "") + foreach(dir ${CMAKE_SYSTEM_INCLUDE_PATH}) + set(BGQ_SYSTEM_INCLUDES "${BGQ_SYSTEM_INCLUDES} -I${dir}") + endforeach() + set(CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> ${BGQ_SYSTEM_INCLUDES} <FLAGS> -o <OBJECT> -c <SOURCE>") + set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> ${BGQ_SYSTEM_INCLUDES} <FLAGS> -o <OBJECT> -c <SOURCE>") + + # + # Code below does setup for shared libraries. That this is done + # regardless of whether the platform is static or dynamic -- you can make + # shared libraries even if you intend to make static executables, you just + # can't make a dynamic executable if you use the static platform file. + # + if (${compiler_id} STREQUAL XL) + # Flags for XL compilers if we explicitly detected XL + set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-qpic") + set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-qmkshrobj -qnostaticlink") + else() + # Assume flags for GNU compilers (if the ID is GNU *or* anything else). + set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC") + set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared") + endif() + + # Both toolchains use the GNU linker on BG/P, so these options are shared. + set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG "-Wl,-rpath,") + set(CMAKE_SHARED_LIBRARY_RPATH_LINK_${lang}_FLAG "-Wl,-rpath-link,") + set(CMAKE_SHARED_LIBRARY_SONAME_${lang}_FLAG "-Wl,-soname,") + set(CMAKE_EXE_EXPORTS_${lang}_FLAG "-Wl,--export-dynamic") + set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "") # +s, flag for exe link to use shared lib + set(CMAKE_SHARED_LIBRARY_RUNTIME_${lang}_FLAG_SEP ":") # : or empty + +endmacro() + +# +# This macro needs to be called for dynamic library support. Unfortunately on BG, +# We can't support both static and dynamic links in the same platform file. The +# dynamic link platform file needs to call this explicitly to set up dynamic linking. +# +macro(__BlueGeneQ_setup_dynamic compiler_id lang) + __BlueGeneQ_common_setup(${compiler_id} ${lang}) + + if (${compiler_id} STREQUAL XL) + set(BGQ_${lang}_DYNAMIC_EXE_FLAGS "-qnostaticlink -qnostaticlink=libgcc") + else() + set(BGQ_${lang}_DYNAMIC_EXE_FLAGS "-dynamic") + endif() + + # For dynamic executables, need to provide special BG/Q arguments. + set(BGQ_${lang}_DEFAULT_EXE_FLAGS + "<FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>") + set(CMAKE_${lang}_LINK_EXECUTABLE + "<CMAKE_${lang}_COMPILER> -Wl,-relax ${BGQ_${lang}_DYNAMIC_EXE_FLAGS} ${BGQ_${lang}_DEFAULT_EXE_FLAGS}") +endmacro() + +# +# This macro needs to be called for static builds. Right now it just adds -Wl,-relax +# to the link line. +# +macro(__BlueGeneQ_setup_static compiler_id lang) + __BlueGeneQ_common_setup(${compiler_id} ${lang}) + + # For static executables, use default link settings. + set(BGQ_${lang}_DEFAULT_EXE_FLAGS + "<FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>") + set(CMAKE_${lang}_LINK_EXECUTABLE + "<CMAKE_${lang}_COMPILER> -Wl,-relax ${BGQ_${lang}_DEFAULT_EXE_FLAGS}") +endmacro() |