X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d55c56d658b2969882f5681e5a3e652e50671752..HEAD:/FindSimGrid.cmake diff --git a/FindSimGrid.cmake b/FindSimGrid.cmake index 79aaa78810..eec2f92ed5 100644 --- a/FindSimGrid.cmake +++ b/FindSimGrid.cmake @@ -1,96 +1,156 @@ -#IF YOU HAVE INSTALL SIMGRID IN A SPECIAL DIRECTORY -#YOU CAN SPECIFY SIMGRID_ROOT OR GRAS_ROOT - -# TO CALL THIS FILE USE - #set(CMAKE_MODULE_PATH - #${CMAKE_MODULE_PATH} - #${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Modules - #) - -find_library(HAVE_SIMGRID_LIB - NAME simgrid - HINTS - $ENV{LD_LIBRARY_PATH} - $ENV{GRAS_ROOT} - $ENV{SIMGRID_ROOT} - PATH_SUFFIXES lib64 lib - PATHS - /opt - /opt/local - /opt/csw - /sw - /usr -) +# CMake find module to search for the SimGrid library. -find_path(HAVE_GRAS_H gras.h - HINTS - $ENV{GRAS_ROOT} - $ENV{SIMGRID_ROOT} - PATH_SUFFIXES include - PATHS - /opt - /opt/local - /opt/csw - /sw - /usr -) +# Copyright (c) 2016-2023. The SimGrid Team. +# +# This file is free software; you can redistribute it and/or modify it +# under the terms of the license (GNU LGPL) which comes with this package. + +# +# USERS OF PROGRAMS USING SIMGRID +# ------------------------------- +# +# If cmake does not find this file, add its path to CMAKE_PREFIX_PATH: +# CMAKE_PREFIX_PATH="/path/to/FindSimGrid.cmake:$CMAKE_PREFIX_PATH" cmake . +# +# If this file does not find SimGrid, define SimGrid_PATH: +# cmake -DSimGrid_PATH=/path/to/simgrid . + +# +# DEVELOPERS OF PROGRAMS USING SIMGRID +# ------------------------------------ +# +# 1. Include this file in your own CMakeLists.txt (before defining any target) +# Either by copying it in your tree, or (recommended) by using the +# version automatically installed by SimGrid. +# +# 2. This will define a target called 'SimGrid::Simgrid'. Use it as: +# target_link_libraries(your-simulator SimGrid::SimGrid) +# +# It also defines a SimGrid_VERSION macro, that you can use to deal with API +# evolutions as follows: +# +# #if SimGrid_VERSION < 31800 +# (code to use if the installed version is lower than v3.18) +# #elif SimGrid_VERSION < 31900 +# (code to use if we are using SimGrid v3.18.x) +# #else +# (code to use with SimGrid v3.19+) +# #endif +# +# Since SimGrid header files require C++17, so we set CMAKE_CXX_STANDARD to 17. +# Change this variable in your own file if you need a later standard. + +# DEVELOPPERS OF MPI PROGRAMS USING SIMGRID +# You should use smpi_c_target() on the targets that are intended to run in SMPI. +# ${SMPIRUN} is correctly set if it's installed. +# +# Example: +# add_executable(roundtrip roundtrip.c) +# smpi_c_target(roundtrip) +# +# enable_testing() +# add_test(NAME Roundtrip +# COMMAND ${SMPIRUN} -platform ${CMAKE_SOURCE_DIR}/../cluster_backbone.xml -np 2 ./roundtrip) + +# +# IMPROVING THIS FILE +# ------------------- +# - Use automatic SimGridConfig.cmake creation via export/install(EXPORT in main CMakeLists.txt: +# https://cliutils.gitlab.io/modern-cmake/chapters/exporting.html +# https://cmake.org/Wiki/CMake/Tutorials/How_to_create_a_ProjectConfig.cmake_file +# https://github.com/boostcon/cppnow_presentations_2017/blob/master/05-19-2017_friday/effective_cmake__daniel_pfeifer__cppnow_05-19-2017.pdf + +cmake_minimum_required(VERSION 3.5) + +set(CMAKE_CXX_STANDARD 17) +set(CMAKE_CXX_STANDARD_REQUIRED ON) -find_program(HAVE_TESH - NAMES tesh - HINTS - $ENV{GRAS_ROOT} - $ENV{SIMGRID_ROOT} - PATH_SUFFIXES bin - PATHS - /opt - /opt/local - /opt/csw - /sw - /usr +find_path(SimGrid_INCLUDE_DIR + NAMES simgrid/config.h + NAMES simgrid/version.h + PATHS ${SimGrid_PATH}/include /opt/simgrid/include ) +if (NOT SimGrid_INCLUDE_DIR) + # search under the old name + find_path(SimGrid_INCLUDE_DIR + NAMES simgrid_config.h + PATHS ${SimGrid_PATH}/include /opt/simgrid/include + ) +endif() +find_library(SimGrid_LIBRARY + NAMES simgrid + PATHS ${SimGrid_PATH}/lib /opt/simgrid/lib +) +mark_as_advanced(SimGrid_INCLUDE_DIR) +mark_as_advanced(SimGrid_LIBRARY) + +if (SimGrid_INCLUDE_DIR) + set(SimGrid_VERSION_REGEX "^#define SIMGRID_VERSION_(MAJOR|MINOR|PATCH) ([0-9]+)$") + if (EXISTS "${SimGrid_INCLUDE_DIR}/simgrid/version.h") + file(STRINGS "${SimGrid_INCLUDE_DIR}/simgrid/version.h" SimGrid_VERSION_STRING REGEX ${SimGrid_VERSION_REGEX}) + elseif (EXISTS "${SimGrid_INCLUDE_DIR}/simgrid/config.h") + file(STRINGS "${SimGrid_INCLUDE_DIR}/simgrid/config.h" SimGrid_VERSION_STRING REGEX ${SimGrid_VERSION_REGEX}) + else() + file(STRINGS "${SimGrid_INCLUDE_DIR}/simgrid_config.h" SimGrid_VERSION_STRING REGEX ${SimGrid_VERSION_REGEX}) + endif() + set(SimGrid_VERSION "") -find_program(HAVE_GRAS_STUB - NAMES gras_stub_generator - HINTS - $ENV{GRAS_ROOT} - $ENV{SIMGRID_ROOT} - PATH_SUFFIXES bin - PATHS - /opt - /opt/local - /opt/csw - /sw - /usr + # Concat the matches to MAJOR.MINOR.PATCH assuming they appear in this order + foreach(match ${SimGrid_VERSION_STRING}) + if(SimGrid_VERSION) + set(SimGrid_VERSION "${SimGrid_VERSION}.") + endif() + string(REGEX REPLACE ${SimGrid_VERSION_REGEX} "${SimGrid_VERSION}\\2" SimGrid_VERSION ${match}) + set(SimGrid_VERSION_${CMAKE_MATCH_1} ${CMAKE_MATCH_2}) + endforeach() + unset(SimGrid_VERSION_STRING) + unset(SimGrid_VERSION_REGEX) +endif () + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(SimGrid + FOUND_VAR SimGrid_FOUND + REQUIRED_VARS SimGrid_INCLUDE_DIR SimGrid_LIBRARY + VERSION_VAR SimGrid_VERSION ) -message(STATUS "Looking for lib SimGrid") -if(HAVE_SIMGRID_LIB) - message(STATUS "Looking for lib SimGrid - found") - if(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7") #need cmake version 2.8 - get_filename_component(simgrid_version ${HAVE_SIMGRID_LIB} REALPATH) - string(REPLACE "${HAVE_SIMGRID_LIB}." "" simgrid_version "${simgrid_version}") - string(REGEX MATCH "^[0-9]" SIMGRID_MAJOR_VERSION "${simgrid_version}") - string(REGEX MATCH "^[0-9].[0-9]" SIMGRID_MINOR_VERSION "${simgrid_version}") - string(REGEX MATCH "^[0-9].[0-9].[0-9]" SIMGRID_PATCH_VERSION "${simgrid_version}") - string(REGEX REPLACE "^${SIMGRID_MINOR_VERSION}." "" SIMGRID_PATCH_VERSION "${SIMGRID_PATCH_VERSION}") - string(REGEX REPLACE "^${SIMGRID_MAJOR_VERSION}." "" SIMGRID_MINOR_VERSION "${SIMGRID_MINOR_VERSION}") - message(STATUS "Simgrid version : ${SIMGRID_MAJOR_VERSION}.${SIMGRID_MINOR_VERSION}") - endif(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7") -else(HAVE_SIMGRID_LIB) - message(STATUS "Looking for lib SimGrid - not found") -endif(HAVE_SIMGRID_LIB) - -message(STATUS "Looking for gras.h") -if(HAVE_GRAS_H) -message(STATUS "Looking for gras.h - found") -else(HAVE_GRAS_H) -message(STATUS "Looking for gras.h - not found") -endif(HAVE_GRAS_H) - -if(HAVE_TESH) -message(STATUS "Found Tesh: ${HAVE_TESH}") -endif(HAVE_TESH) - -if(HAVE_GRAS_STUB) -message(STATUS "Found gras_stub_generator: ${HAVE_GRAS_STUB}") -endif(HAVE_GRAS_STUB) \ No newline at end of file +if (SimGrid_FOUND) + + find_program(SMPIRUN smpirun + HINTS ${SimGrid_PATH}/bin /opt/simgrid/bin) + + MACRO(smpi_c_target NAME) + target_compile_options(${NAME} PUBLIC "-include;smpi/smpi_helpers.h;-fPIC;-shared;-Wl,-z,defs") + target_link_options(${NAME} PUBLIC "-fPIC;-shared;-Wl,-z,defs;-lm") + target_link_libraries(${NAME} PUBLIC ${SimGrid_LIBRARY}) + target_include_directories(${NAME} PUBLIC "${SimGrid_INCLUDE_DIR};${SimGrid_INCLUDE_DIR}/smpi") + ENDMACRO() + + add_library(SimGrid::SimGrid SHARED IMPORTED) + set_target_properties(SimGrid::SimGrid PROPERTIES + INTERFACE_SYSTEM_INCLUDE_DIRECTORIES ${SimGrid_INCLUDE_DIR} + INTERFACE_COMPILE_FEATURES cxx_alias_templates + IMPORTED_LOCATION ${SimGrid_LIBRARY} + ) + # We need C++17, so check for it just in case the user removed it since compiling SimGrid + if (NOT CMAKE_VERSION VERSION_LESS 3.8) + # 3.8+ allows us to simply require C++17 (or higher) + set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_17) + else () + # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++17 feature does not work + include(CheckCXXSourceCompiles) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_CXX_FLAGS}") + check_cxx_source_compiles(" +#if __cplusplus < 201703L +#error +#else +int main(){} +#endif +" _SIMGRID_CXX17_ENABLED) + if (NOT _SIMGRID_CXX17_ENABLED) + message(WARNING "C++17 is required to use SimGrid. Enable it with e.g. -std=c++17") + endif () + unset(_SIMGRID_CXX14_ENABLED CACHE) + endif () +endif () +