X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e5fc73e41502a5f6fb48b4b58db316686e5bb9aa..a21b003b5b98e872795341d7f8c756938e10b0d0:/FindSimGrid.cmake diff --git a/FindSimGrid.cmake b/FindSimGrid.cmake index 382cd10260..209d709941 100644 --- a/FindSimGrid.cmake +++ b/FindSimGrid.cmake @@ -1,6 +1,6 @@ -# CMake find module to search for the SimGrid library. +# CMake find module to search for the SimGrid library. -# Copyright (c) 2016-2018. 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. @@ -13,7 +13,7 @@ # CMAKE_PREFIX_PATH="/path/to/FindSimGrid.cmake:$CMAKE_PREFIX_PATH" cmake . # # If this file does not find SimGrid, define SimGrid_PATH: -# SimGrid_PATH=/path/to/simgrid cmake . +# cmake -DSimGrid_PATH=/path/to/simgrid . # # DEVELOPERS OF PROGRAMS USING SIMGRID @@ -23,19 +23,11 @@ # Either by copying it in your tree, or (recommended) by using the # version automatically installed by SimGrid. # -# 2. Afterward, if you have CMake >= 2.8.12, this will define a -# target called 'SimGrid::Simgrid'. Use it as: +# 2. This will define a target called 'SimGrid::Simgrid'. Use it as: # target_link_libraries(your-simulator SimGrid::SimGrid) # -# With older CMake (< 2.8.12), it simply defines several variables: -# SimGrid_INCLUDE_DIR - the SimGrid include directories -# SimGrid_LIBRARY - link your simulator against it to use SimGrid -# Use as: -# include_directories("${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) @@ -45,10 +37,10 @@ # (code to use with SimGrid v3.19+) # #endif # -# Since SimGrid header files require C++11, so we set CMAKE_CXX_STANDARD to 11. +# Since SimGrid header files require C++14, so we set CMAKE_CXX_STANDARD to 14. # Change this variable in your own file if you need a later standard. -# +# # IMPROVING THIS FILE # ------------------- # - Use automatic SimGridConfig.cmake creation via export/install(EXPORT in main CMakeLists.txt: @@ -56,13 +48,14 @@ # 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 2.8.12) -set(CMAKE_CXX_STANDARD 11) +set(CMAKE_CXX_STANDARD 14) set(CMAKE_CXX_STANDARD_REQUIRED ON) 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) @@ -71,7 +64,7 @@ if (NOT SimGrid_INCLUDE_DIR) NAMES simgrid_config.h PATHS ${SimGrid_PATH}/include /opt/simgrid/include ) -endif() +endif() find_library(SimGrid_LIBRARY NAMES simgrid PATHS ${SimGrid_PATH}/lib /opt/simgrid/lib @@ -81,7 +74,9 @@ mark_as_advanced(SimGrid_LIBRARY) if (SimGrid_INCLUDE_DIR) set(SimGrid_VERSION_REGEX "^#define SIMGRID_VERSION_(MAJOR|MINOR|PATCH) ([0-9]+)$") - if (EXISTS "${SimGrid_INCLUDE_DIR}/simgrid/config.h") + if (EXISTS "${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 ${SimGrid_VERSION_REGEX}) @@ -97,7 +92,7 @@ if (SimGrid_INCLUDE_DIR) set(SimGrid_VERSION_${CMAKE_MATCH_1} ${CMAKE_MATCH_2}) endforeach() unset(SimGrid_VERSION_STRING) - unset(SimGrid_VERSION_REGEX) + unset(SimGrid_VERSION_REGEX) endif () include(FindPackageHandleStandardArgs) @@ -107,29 +102,35 @@ find_package_handle_standard_args(SimGrid VERSION_VAR SimGrid_VERSION ) -if (SimGrid_FOUND AND NOT CMAKE_VERSION VERSION_LESS 2.8.12) +if (SimGrid_FOUND) 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 ${SimGrid_LIBRARY} ) - # We need C++11, so check for it just in case the user removed it since compiling SimGrid + # We need C++14, so check for it just in case the user removed it since compiling SimGrid if (NOT CMAKE_VERSION VERSION_LESS 3.8) - # 3.8+ allows us to simply require C++11 (or higher) - set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_11) + # 3.8+ allows us to simply require C++14 (or higher) + set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_14) elseif (NOT CMAKE_VERSION VERSION_LESS 3.1) # 3.1+ is similar but for certain features. We pick just one - set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_alias_templates) + set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_attribute_deprecated) else () - # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++11 feature does not work + # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++14 feature does not work include(CheckCXXSourceCompiles) set(CMAKE_REQUIRED_FLAGS "${CMAKE_CXX_FLAGS}") - check_cxx_source_compiles("using Foo = int; int main(){}" _SIMGRID_CXX11_ENABLED) - if (NOT _SIMGRID_CXX11_ENABLED) - message(WARNING "C++11 is required to use SimGrid. Enable it with e.g. -std=c++11") + check_cxx_source_compiles(" +#if __cplusplus < 201402L +#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") endif () - unset(_SIMGRID_CXX11_ENABLED CACHE) + unset(_SIMGRID_CXX14_ENABLED CACHE) endif () endif ()