X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9f12cbaef3f926771738d04417465b75050c9526..aab9e27873c858d6136fecad6d57a61a115c1ca2:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 920f7f8f5e..666520def4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,9 +67,6 @@ endif()
 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
 find_package(Threads)
 
-### Check for Eigen library
-find_package (Eigen3 3.3 REQUIRED NO_MODULE)
-
 ### Setup Options
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Option.cmake)
 
@@ -242,6 +239,22 @@ if(enable_ns3)
   endif()
 endif()
 
+### Check for Eigen library
+set(SIMGRID_HAVE_EIGEN3 0)
+find_package (Eigen3 3.3 CONFIG
+              HINTS ${EIGEN3_HINT})
+if (Eigen3_FOUND)      
+  set(SIMGRID_HAVE_EIGEN3 1)
+  message(STATUS "Found Eigen3: ${EIGEN3_INCLUDE_DIR}")
+  include_directories(${EIGEN3_INCLUDE_DIR})
+  if ("3.3.4" EQUAL EIGEN3_VERSION_STRING AND CMAKE_COMPILER_IS_GNUCC)
+    message(STATUS "Avoid build error of Eigen3 v3.3.4 using -Wno-error=int-in-bool-context")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=int-in-bool-context")
+  endif()
+else()
+  message(STATUS "Disabling model BMF because Eigen3 was not found. If it's installed, use EIGEN3_HINT to hint cmake about the location of Eigen3Config.cmake")
+endif()
+
 set(SIMGRID_HAVE_MSG 0)
 if(enable_msg)
   set(SIMGRID_HAVE_MSG 1)
@@ -960,6 +973,11 @@ if(pybind11_FOUND)
 else()
   message("        Compile Python bindings .....: OFF (disabled, or pybind11 not found)")
 endif()
+if(Eigen3_FOUND)
+  message("        Eigen3 library ..............: ${EIGEN3_VERSION_STRING} in ${EIGEN3_INCLUDE_DIR}")
+else()
+  message("        Eigen3 library ..............: not found (EIGEN3_HINT='${EIGEN3_HINT}').")
+endif()
 message("        Compile Smpi ................: ${HAVE_SMPI}")
 message("          Smpi fortran ..............: ${SMPI_FORTRAN}")
 message("          MPICH3 testsuite ..........: ${enable_smpi_MPICH3_testsuite}")