diff options
-rw-r--r-- | Modules/Compiler/CrayPrgEnv.cmake | 111 | ||||
-rw-r--r-- | Modules/Platform/CrayLinuxEnvironment.cmake | 72 |
2 files changed, 102 insertions, 81 deletions
diff --git a/Modules/Compiler/CrayPrgEnv.cmake b/Modules/Compiler/CrayPrgEnv.cmake index 6c1c770..e55e587 100644 --- a/Modules/Compiler/CrayPrgEnv.cmake +++ b/Modules/Compiler/CrayPrgEnv.cmake @@ -1,8 +1,93 @@ # Guard against multiple inclusions -if(__craylinux_crayprgenv) +if(__cmake_craype_crayprgenv) return() endif() -set(__craylinux_crayprgenv 1) +set(__cmake_craype_crayprgenv 1) + +# CrayPrgEnv: loaded when compiling through the Cray compiler wrapper. +# The compiler wrapper can run on a front-end node or a compute node. + +cmake_policy(PUSH) +cmake_policy(SET CMP0057 NEW) # if IN_LIST + +# One-time setup of the craype environment. First, check the wrapper config. +# The wrapper's selection of a compiler (gcc, clang, intel, etc.) and +# default include/library paths is selected using the "module" command. +# The CRAYPE_LINK_TYPE environment variable partly controls if static +# or dynamic binaries are generated (see __cmake_craype_linktype below). +# Running cmake and then changing module and/or linktype configuration +# may cause build problems (since the data in the cmake cache may no +# longer be correct after the change). We can look for this and warn +# the user about it. Second, use the "module" provided PKG_CONFIG_PATH-like +# environment variable to add additional prefixes to the system prefix +# path. +function(__cmake_craype_setupenv) + if(NOT DEFINED __cmake_craype_setupenv_done) # only done once per run + set(__cmake_craype_setupenv_done 1 PARENT_SCOPE) + unset(__cmake_check) + set(CMAKE_CRAYPE_LINKTYPE "$ENV{CRAYPE_LINK_TYPE}" CACHE STRING + "saved value of CRAYPE_LINK_TYPE environment variable") + set(CMAKE_CRAYPE_LOADEDMODULES "$ENV{LOADEDMODULES}" CACHE STRING + "saved value of LOADEDMODULES environment variable") + mark_as_advanced(CMAKE_CRAYPE_LINKTYPE CMAKE_CRAYPE_LOADEDMODULES) + if (NOT "${CMAKE_CRAYPE_LINKTYPE}" STREQUAL "$ENV{CRAYPE_LINK_TYPE}") + string(APPEND __cmake_check "CRAYPE_LINK_TYPE ") + endif() + if (NOT "${CMAKE_CRAYPE_LOADEDMODULES}" STREQUAL "$ENV{LOADEDMODULES}") + string(APPEND __cmake_check "LOADEDMODULES ") + endif() + if(DEFINED __cmake_check) + message(STATUS "NOTE: ${__cmake_check}changed since initial config!") + message(STATUS "NOTE: this may cause unexpected build errors.") + endif() + # loop over variables of interest + foreach(pkgcfgvar PKG_CONFIG_PATH PKG_CONFIG_PATH_DEFAULT + PE_PKG_CONFIG_PATH) + file(TO_CMAKE_PATH "$ENV{${pkgcfgvar}}" pkgcfg) + foreach(path ${pkgcfg}) + string(REGEX REPLACE "(.*)/lib[^/]*/pkgconfig$" "\\1" path "${path}") + if(NOT "${path}" STREQUAL "" AND + NOT "${path}" IN_LIST CMAKE_SYSTEM_PREFIX_PATH) + list(APPEND CMAKE_SYSTEM_PREFIX_PATH "${path}") + endif() + endforeach() + endforeach() + # push it up out of this function into the parent scope + set(CMAKE_SYSTEM_PREFIX_PATH "${CMAKE_SYSTEM_PREFIX_PATH}" PARENT_SCOPE) + endif() +endfunction() + +# The wrapper disables dynamic linking by default. Dynamic linking is +# enabled either by setting $ENV{CRAYPE_LINK_TYPE} to "dynamic" or by +# specifying "-dynamic" to the wrapper when linking. Specifying "-static" +# to the wrapper when linking takes priority over $ENV{CRAYPE_LINK_TYPE}. +# Furthermore, if you specify multiple "-dynamic" and "-static" flags to +# the wrapper when linking, the last one will win. In this case, the +# wrapper will also print a warning like: +# Warning: -dynamic was already seen on command line, overriding with -static. +# +# note that cmake applies both CMAKE_${lang}_FLAGS and CMAKE_EXE_LINKER_FLAGS +# (in that order) to the linking command, so -dynamic can appear in either +# variable. +function(__cmake_craype_linktype lang rv) + # start with ENV, but allow flags to override + if("$ENV{CRAYPE_LINK_TYPE}" STREQUAL "dynamic") + set(linktype dynamic) + else() + set(linktype static) + endif() + # combine flags and convert to a list so we can apply the flags in order + set(linkflags "${CMAKE_${lang}_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}") + string(REPLACE " " ";" linkflags "${linkflags}") + foreach(flag IN LISTS linkflags) + if("${flag}" STREQUAL "-dynamic") + set(linktype dynamic) + elseif("${flag}" STREQUAL "-static") + set(linktype static) + endif() + endforeach() + set(${rv} ${linktype} PARENT_SCOPE) +endfunction() macro(__CrayPrgEnv_setup lang) if(DEFINED ENV{CRAYPE_VERSION}) @@ -13,25 +98,25 @@ macro(__CrayPrgEnv_setup lang) message(STATUS "Cray Programming Environment (unknown version) ${lang}") endif() + # setup the craype environment + __cmake_craype_setupenv() + # Flags for the Cray wrappers set(CMAKE_STATIC_LIBRARY_LINK_${lang}_FLAGS "-static") set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared") set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-dynamic") - # If the link type is not explicitly specified in the environment then - # the Cray wrappers assume that the code will be built statically so - # we check the following condition(s) are NOT met - # Compiler flags are explicitly dynamic - # Env var is dynamic and compiler flags are not explicitly static - if(NOT (((CMAKE_${lang}_FLAGS MATCHES "(^| )-dynamic($| )") OR - (CMAKE_EXE_LINKER_FLAGS MATCHES "(^| )-dynamic($| )")) - OR - (("$ENV{CRAYPE_LINK_TYPE}" STREQUAL "dynamic") AND - NOT ((CMAKE_${lang}_FLAGS MATCHES "(^| )-static($| )") OR - (CMAKE_EXE_LINKER_FLAGS MATCHES "(^| )-static($| )"))))) + # determine linktype from environment and compiler flags + __cmake_craype_linktype(${lang} __cmake_craype_${lang}_linktype) + + # switch off shared libs if we get a static linktype + if("${__cmake_craype_${lang}_linktype}" STREQUAL "static") set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE) set(BUILD_SHARED_LIBS FALSE CACHE BOOL "") set(CMAKE_FIND_LIBRARY_SUFFIXES ".a") set(CMAKE_LINK_SEARCH_START_STATIC TRUE) endif() + endmacro() + +cmake_policy(POP) diff --git a/Modules/Platform/CrayLinuxEnvironment.cmake b/Modules/Platform/CrayLinuxEnvironment.cmake index a1a3d3f..f2aaf3f 100644 --- a/Modules/Platform/CrayLinuxEnvironment.cmake +++ b/Modules/Platform/CrayLinuxEnvironment.cmake @@ -1,6 +1,5 @@ -# Compute Node Linux doesn't quite work the same as native Linux so all of this -# needs to be custom. We use the variables defined through Cray's environment -# modules to set up the right paths for things. +# CrayLinuxEnvironment: loaded by users cross-compiling on a Cray front-end +# node by specifying "-DCMAKE_SYSTEM_NAME=CrayLinuxEnvironment" to cmake set(UNIX 1) @@ -30,13 +29,6 @@ endif() # Note: this may need to change in the future with 64-bit ARM set(CMAKE_SYSTEM_PROCESSOR "x86_64") -set(CMAKE_SHARED_LIBRARY_PREFIX "lib") -set(CMAKE_SHARED_LIBRARY_SUFFIX ".so") -set(CMAKE_STATIC_LIBRARY_PREFIX "lib") -set(CMAKE_STATIC_LIBRARY_SUFFIX ".a") - -set(CMAKE_FIND_LIBRARY_PREFIXES "lib") - # Don't override shared lib support if it's already been set and possibly # overridden elsewhere by the CrayPrgEnv module if(NOT CMAKE_FIND_LIBRARY_SUFFIXES) @@ -44,12 +36,9 @@ if(NOT CMAKE_FIND_LIBRARY_SUFFIXES) set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE) endif() -set(CMAKE_DL_LIBS dl) +# The rest of this file is based on UnixPaths.cmake, adjusted for Cray -# Note: Much of this is pulled from UnixPaths.cmake but adjusted to the Cray -# environment accordingly - -# Get the install directory of the running cmake to the search directories +# add the install directory of the running cmake to the search directories # CMAKE_ROOT is CMAKE_INSTALL_PREFIX/share/cmake, so we need to go two levels up get_filename_component(__cmake_install_dir "${CMAKE_ROOT}" PATH) get_filename_component(__cmake_install_dir "${__cmake_install_dir}" PATH) @@ -81,7 +70,6 @@ if (NOT CMAKE_FIND_NO_INSTALL_PREFIX) endif() list(APPEND CMAKE_SYSTEM_INCLUDE_PATH - $ENV{SYSROOT_DIR}/usr/include $ENV{SYSROOT_DIR}/usr/include/X11 ) list(APPEND CMAKE_SYSTEM_LIBRARY_PATH @@ -95,57 +83,5 @@ list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES $ENV{SYSROOT_DIR}/lib64 ) -# Compute the intersection of several lists -function(__cray_list_intersect OUTPUT INPUT0) - if(ARGC EQUAL 2) - list(APPEND ${OUTPUT} ${${INPUT0}}) - else() - foreach(I IN LISTS ${INPUT0}) - set(__is_common 1) - foreach(L IN LISTS ARGN) - list(FIND ${L} "${I}" __idx) - if(__idx EQUAL -1) - set(__is_common 0) - break() - endif() - endforeach() - if(__is_common) - list(APPEND ${OUTPUT} "${I}") - endif() - endforeach() - endif() - set(${OUTPUT} ${${OUTPUT}} PARENT_SCOPE) -endfunction() - -macro(__list_clean_dupes var) - if(${var}) - list(REMOVE_DUPLICATES ${var}) - endif() -endmacro() - -get_property(__langs GLOBAL PROPERTY ENABLED_LANGUAGES) -set(__cray_inc_path_vars) -set(__cray_lib_path_vars) -foreach(__lang IN LISTS __langs) - list(APPEND __cray_inc_path_vars CMAKE_${__lang}_IMPLICIT_INCLUDE_DIRECTORIES) - list(APPEND __cray_lib_path_vars CMAKE_${__lang}_IMPLICIT_LINK_DIRECTORIES) -endforeach() -if(__cray_inc_path_vars) - __cray_list_intersect(__cray_implicit_include_dirs ${__cray_inc_path_vars}) - if(__cray_implicit_include_dirs) - list(INSERT CMAKE_SYSTEM_INCLUDE_PATH 0 ${__cray_implicit_include_dirs}) - endif() -endif() -if(__cray_lib_path_vars) - __cray_list_intersect(__cray_implicit_library_dirs ${__cray_lib_path_vars}) - if(__cray_implicit_library_dirs) - list(INSERT CMAKE_SYSTEM_LIBRARY_PATH 0 ${__cray_implicit_library_dirs}) - endif() -endif() -__list_clean_dupes(CMAKE_SYSTEM_PREFIX_PATH) -__list_clean_dupes(CMAKE_SYSTEM_INCLUDE_PATH) -__list_clean_dupes(CMAKE_SYSTEM_LIBRARY_PATH) -__list_clean_dupes(CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES) - # Enable use of lib64 search path variants by default. set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE) |