# CMake find module to search for the SimGrid library.
-# Copyright (c) 2016-2021. The SimGrid Team.
+# 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.
# CMAKE_PREFIX_PATH="/path/to/FindSimGrid.cmake:$CMAKE_PREFIX_PATH" cmake .
#
# If this file does not find SimGrid, define SimGrid_PATH:
-# SimGrid_PATH=/path/to/simgrid cmake .
+# cmake -DSimGrid_PATH=/path/to/simgrid .
#
# DEVELOPERS OF PROGRAMS USING SIMGRID
# Either by copying it in your tree, or (recommended) by using the
# version automatically installed by SimGrid.
#
-# 2. Afterward, if you have CMake >= 2.8.12, this will define a
-# target called 'SimGrid::Simgrid'. Use it as:
+# 2. This will define a target called 'SimGrid::Simgrid'. Use it as:
# target_link_libraries(your-simulator SimGrid::SimGrid)
#
-# With older CMake (< 2.8.12), it simply defines several variables:
-# SimGrid_INCLUDE_DIR - the SimGrid include directories
-# SimGrid_LIBRARY - link your simulator against it to use SimGrid
-# Use as:
-# include_directories("${SimGrid_INCLUDE_DIR}" SYSTEM)
-# target_link_libraries(your-simulator ${SimGrid_LIBRARY})
-#
-# In both cases, it also define a SimGrid_VERSION macro, that you
-# can use to deal with API evolutions as follows:
+# 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)
# (code to use with SimGrid v3.19+)
# #endif
#
-# Since SimGrid header files require C++14, so we set CMAKE_CXX_STANDARD to 14.
+# 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
# -------------------
# 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 2.8)
+cmake_minimum_required(VERSION 3.5)
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_path(SimGrid_INCLUDE_DIR
VERSION_VAR SimGrid_VERSION
)
-if (SimGrid_FOUND AND NOT CMAKE_VERSION VERSION_LESS 2.8.12)
+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 ${SimGrid_LIBRARY}
)
- # We need C++14, so check for it just in case the user removed it since compiling SimGrid
+ # We need C++17, so check for it just in case the user removed it since compiling SimGrid
if (NOT CMAKE_VERSION VERSION_LESS 3.8)
- # 3.8+ allows us to simply require C++14 (or higher)
- set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_14)
- elseif (NOT CMAKE_VERSION VERSION_LESS 3.1)
- # 3.1+ is similar but for certain features. We pick just one
- set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_attribute_deprecated)
+ # 3.8+ allows us to simply require C++17 (or higher)
+ set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_17)
else ()
- # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++14 feature does not work
+ # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++17 feature does not work
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS "${CMAKE_CXX_FLAGS}")
check_cxx_source_compiles("
-#if __cplusplus < 201402L
+#if __cplusplus < 201703L
#error
#else
int main(){}
#endif
-" _SIMGRID_CXX14_ENABLED)
- if (NOT _SIMGRID_CXX14_ENABLED)
- message(WARNING "C++14 is required to use SimGrid. Enable it with e.g. -std=c++14")
+" _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 ()
