-#IF YOU HAVE INSTALL SIMGRID LIBRARIES AND SIMGRID BINARIES IN A SPECIAL DIRECTORY
-#YOU CAN SPECIFY SIMGRID_LIBRARY_PAT AND SIMGRID_BIN_PATH OR SIMPLY LD_LIBRARY_PATH
+# CMake find module to search for the SimGrid library.
-# TO CALL THIS FILE USE
- #set(CMAKE_MODULE_PATH
- #${CMAKE_MODULE_PATH}
- #${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/Modules
- #)
+# Copyright (c) 2016-2018. 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.
-message("SIMGRID_LIBRARY_PATH = $ENV{SIMGRID_LIBRARY_PATH}")
-message("SIMGRID_BIN_PATH = $ENV{SIMGRID_BIN_PATH}")
-message("LD_LIBRARY_PATH = $ENV{LD_LIBRARY_PATH}")
+# Once done, the following will be defined:
+#
+# CMake >= 2.8.12:
+# Target SimGrid::Simgrid
+#
+# Use as:
+# target_link_libraries(your-simulator SimGrid::SimGrid)
+#
+# Older CMake (< 2.8.12)
+# SimGrid_INCLUDE_DIR - the SimGrid include directories
+# SimGrid_LIBRARY - link your simulator against it to use SimGrid
+#
+# Use as:
+# include_directories("${SimGrid_INCLUDE_DIR}" SYSTEM)
+# target_link_libraries(your-simulator ${SimGrid_LIBRARY})
+#
+# This could be improved:
+# - 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
-find_library(HAVE_SIMGRID_LIB
- NAME simgrid
- HINTS
- $ENV{LIBRARIES}
- $ENV{LD_LIBRARY_PATH}
- $ENV{SIMGRID_LIBRARY_PATH}
- PATH_SUFFIXES lib64 lib simgrid/lib64 simgrid/lib
- PATHS
- /opt
- /opt/local
- /opt/csw
- /sw
- /usr
-)
+cmake_minimum_required(VERSION 2.8)
-find_path(HAVE_GRAS_H gras.h
- HINTS
- $ENV{INCLUDES}
- $ENV{LD_LIBRARY_PATH}
- $ENV{SIMGRID_LIBRARY_PATH}
- PATH_SUFFIXES include simgrid/include
- PATHS
- /opt
- /opt/local
- /opt/csw
- /sw
- /usr
+find_path(SimGrid_INCLUDE_DIR
+ NAMES simgrid_config.h
+ PATHS /opt/simgrid/include
+)
+find_library(SimGrid_LIBRARY
+ NAMES simgrid
+ PATHS /opt/simgrid/lib
)
+mark_as_advanced(SimGrid_INCLUDE_DIR)
+mark_as_advanced(SimGrid_LIBRARY)
-string(REPLACE "/include" "/bin" OPTIONAL_BIN_PATH "HAVE_GRAS_H")
+if (SimGrid_INCLUDE_DIR)
+ set(SimGrid_VERSION_REGEX "^#define SIMGRID_VERSION_(MAJOR|MINOR|PATCH) ([0-9]+)$")
+ file(STRINGS "${SimGrid_INCLUDE_DIR}/simgrid_config.h" SimGrid_VERSION_STRING REGEX ${SimGrid_VERSION_REGEX})
+ set(SimGrid_VERSION "")
-find_program(HAVE_TESH
-NAMES tesh
-HINTS
-$ENV{SIMGRID_BIN_PATH}
-$ENV{LD_LIBRARY_PATH}
-PATH_SUFFIXES bin simgrid/bin
-PATHS
-${OPTIONAL_BIN_PATH}
-/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} ${CMAKE_MATCH_2})
+ endforeach()
+ unset(SimGrid_VERSION_STRING)
+ unset(SimGrid_VERSION_REGEX)
+endif ()
-find_program(HAVE_GRAS_STUB
-NAMES gras_stub_generator
-HINTS
-$ENV{SIMGRID_BIN_PATH}
-$ENV{LD_LIBRARY_PATH}
-PATH_SUFFIXES bin simgrid/bin
-PATHS
-/opt
-/opt/local
-/opt/csw
-/sw
-/usr
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SimGrid
+ FOUND_VAR SimGrid_FOUND
+ REQUIRED_VARS SimGrid_INCLUDE_DIR SimGrid_LIBRARY
+ VERSION_VAR SimGrid_VERSION
)
-message("HAVE_SIMGRID_LIB = ${HAVE_SIMGRID_LIB}")
-message("HAVE_GRAS_H = ${HAVE_GRAS_H}")
-message("HAVE_TESH = ${HAVE_TESH}")
-message("HAVE_GRAS_STUB = ${HAVE_GRAS_STUB}")
\ No newline at end of file
+if (SimGrid_FOUND AND NOT CMAKE_VERSION VERSION_LESS 2.8.12)
+ 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 ${SimGrid_LIBRARY}
+ )
+ # We need C++11, so check for it
+ if (NOT CMAKE_VERSION VERSION_LESS 3.8)
+ # 3.8+ allows us to simply require C++11 (or higher)
+ set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_std_11)
+ elseif (NOT CMAKE_VERSION VERSION_LESS 3.1)
+ # 3.1+ is similar but for certain features. We pick just one
+ set_property(TARGET SimGrid::SimGrid PROPERTY INTERFACE_COMPILE_FEATURES cxx_alias_templates)
+ else ()
+ # Old CMake can't do much. Just check the CXX_FLAGS and inform the user when a C++11 feature does not work
+ include(CheckCXXSourceCompiles)
+ set(CMAKE_REQUIRED_FLAGS "${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 this library. Enable it with e.g. -std=c++11")
+ endif ()
+ unset(_SIMGRID_CXX11_ENABLED CACHE)
+ endif ()
+endif ()
+