No need to be in cmake 2.8

Protect specific commands of cmake 2.8

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@9676 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a784b34..c1c9453 100644 (file)
--- 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)

diff --git a/buildtools/Cmake/Modules/FindSimGrid.cmake b/buildtools/Cmake/Modules/FindSimGrid.cmake
index 69b55de..79aaa78 100644 (file)
--- a/buildtools/Cmake/Modules/FindSimGrid.cmake
+++ b/buildtools/Cmake/Modules/FindSimGrid.cmake
@@ -66,14 +66,16 @@ find_program(HAVE_GRAS_STUB
 message(STATUS "Looking for lib SimGrid")
 if(HAVE_SIMGRID_LIB)
   message(STATUS "Looking for lib SimGrid - found")
-  get_filename_component(simgrid_version ${HAVE_SIMGRID_LIB} REALPATH)
-  string(REPLACE "${HAVE_SIMGRID_LIB}." "" simgrid_version "${simgrid_version}")
-  string(REGEX MATCH "^[0-9]" SIMGRID_MAJOR_VERSION "${simgrid_version}")
-  string(REGEX MATCH "^[0-9].[0-9]" SIMGRID_MINOR_VERSION "${simgrid_version}")
-  string(REGEX MATCH "^[0-9].[0-9].[0-9]" SIMGRID_PATCH_VERSION "${simgrid_version}")
-  string(REGEX REPLACE "^${SIMGRID_MINOR_VERSION}." "" SIMGRID_PATCH_VERSION "${SIMGRID_PATCH_VERSION}") 
-  string(REGEX REPLACE "^${SIMGRID_MAJOR_VERSION}." "" SIMGRID_MINOR_VERSION "${SIMGRID_MINOR_VERSION}")
-  message(STATUS "Simgrid version : ${SIMGRID_MAJOR_VERSION}.${SIMGRID_MINOR_VERSION}")
+  if(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7") #need cmake version 2.8
+         get_filename_component(simgrid_version ${HAVE_SIMGRID_LIB} REALPATH)
+         string(REPLACE "${HAVE_SIMGRID_LIB}." "" simgrid_version "${simgrid_version}")
+         string(REGEX MATCH "^[0-9]" SIMGRID_MAJOR_VERSION "${simgrid_version}")
+         string(REGEX MATCH "^[0-9].[0-9]" SIMGRID_MINOR_VERSION "${simgrid_version}")
+         string(REGEX MATCH "^[0-9].[0-9].[0-9]" SIMGRID_PATCH_VERSION "${simgrid_version}")
+         string(REGEX REPLACE "^${SIMGRID_MINOR_VERSION}." "" SIMGRID_PATCH_VERSION "${SIMGRID_PATCH_VERSION}") 
+         string(REGEX REPLACE "^${SIMGRID_MAJOR_VERSION}." "" SIMGRID_MINOR_VERSION "${SIMGRID_MINOR_VERSION}")
+         message(STATUS "Simgrid version : ${SIMGRID_MAJOR_VERSION}.${SIMGRID_MINOR_VERSION}")
+  endif(CMAKE_CACHE_MAJOR_VERSION EQUAL "2" AND CMAKE_CACHE_MINOR_VERSION GREATER "7")
 else(HAVE_SIMGRID_LIB)
   message(STATUS "Looking for lib SimGrid - not found")
 endif(HAVE_SIMGRID_LIB)