X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/44d361c91bd348cd70ee6afbdf63a5c2a7406dc1..5b78fc9f704153c9832230883dfd847f2bcf791d:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a784b34f9b..c1c945307c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.6)
 project(simgrid CXX C)
 set(CMAKE_C_FLAGS "" CACHE TYPE INTERNAL FORCE)
 set(CMAKE_CXX_FLAGS "" CACHE TYPE INTERNAL FORCE)
@@ -49,20 +49,22 @@ if(NOT PERL_EXECUTABLE)
 	message(FATAL_ERROR "-- SimGrid cannot be compiled without Perl installed -- sorry. Bailling out.")
 endif(NOT PERL_EXECUTABLE)
 
-get_filename_component(TRUE_CMAKE_HOME_DIRECTORY "${CMAKE_HOME_DIRECTORY}" REALPATH)
-get_filename_component(TRUE_CMAKE_BINARY_DIR "${CMAKE_BINARY_DIR}" REALPATH)
-if(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
-else(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
-	message(STATUS "Change link path '${CMAKE_HOME_DIRECTORY}' to true path '${TRUE_CMAKE_HOME_DIRECTORY}'")
-	set(CMAKE_HOME_DIRECTORY "${TRUE_CMAKE_HOME_DIRECTORY}" CACHE TYPE INTERNAL FORCE)
-	set(CMAKE_SOURCE_DIR "${TRUE_CMAKE_HOME_DIRECTORY}" CACHE TYPE INTERNAL FORCE)
-endif(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
-
-if(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})
-else(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})
-	message(STATUS "Change link path '${CMAKE_BINARY_DIR}' to true path '${TRUE_CMAKE_BINARY_DIR}'")
-	set(CMAKE_BINARY_DIR "${TRUE_CMAKE_BINARY_DIR}" CACHE TYPE INTERNAL FORCE)
-endif(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})	
+if(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7") #need cmake version 2.8
+	get_filename_component(TRUE_CMAKE_HOME_DIRECTORY "${CMAKE_HOME_DIRECTORY}" REALPATH)
+	get_filename_component(TRUE_CMAKE_BINARY_DIR "${CMAKE_BINARY_DIR}" REALPATH)
+	if(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
+	else(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
+		message(STATUS "Change link path '${CMAKE_HOME_DIRECTORY}' to true path '${TRUE_CMAKE_HOME_DIRECTORY}'")
+		set(CMAKE_HOME_DIRECTORY "${TRUE_CMAKE_HOME_DIRECTORY}" CACHE TYPE INTERNAL FORCE)
+		set(CMAKE_SOURCE_DIR "${TRUE_CMAKE_HOME_DIRECTORY}" CACHE TYPE INTERNAL FORCE)
+	endif(${TRUE_CMAKE_HOME_DIRECTORY} STREQUAL ${CMAKE_HOME_DIRECTORY})
+	
+	if(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+	else(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+		message(STATUS "Change link path '${CMAKE_BINARY_DIR}' to true path '${TRUE_CMAKE_BINARY_DIR}'")
+		set(CMAKE_BINARY_DIR "${TRUE_CMAKE_BINARY_DIR}" CACHE TYPE INTERNAL FORCE)
+	endif(${TRUE_CMAKE_BINARY_DIR} STREQUAL ${CMAKE_BINARY_DIR})	
+endif(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7")
 
 ### Set some variables for Cmake
 SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)