X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e993852fadf35937e44a7b37eaecad48588b5a2e..2db7ca916c24c9f6da047de60550dda47690e572:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2cd7594ff..8992f7f1eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -110,12 +110,6 @@ else()
 endif()
 
 set(SIMGRID_VERSION_STRING "SimGrid version ${release_version}${SIMGRID_VERSION_EXTRA}")
-set(SIMGRID_VERSION_BANNER "SIMGRID_VERSION_STRING\\nCopyright (c) 2004-${SIMGRID_VERSION_DATE}. The Simgrid Team.")
-if(release)
-  set(SIMGRID_VERSION_BANNER "${SIMGRID_VERSION_BANNER}\\nRelease build")
-else()
-  set(SIMGRID_VERSION_BANNER "${SIMGRID_VERSION_BANNER}\\nDevelopment build")
-endif()
 
 set(libsimgrid_version "${release_version}")
 set(libsimgrid-java_version "${release_version}")
@@ -132,7 +126,8 @@ else()
   endif()
 endif()
 
-exec_program("${CMAKE_LINKER} --version" OUTPUT_VARIABLE "LINKER_VERSION")
+execute_process(COMMAND         ${CMAKE_LINKER} --version
+                OUTPUT_VARIABLE LINKER_VERSION)
 string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
 
 ### Find programs and paths
@@ -157,10 +152,6 @@ set(INCLUDES
   ${CMAKE_BINARY_DIR}/include
   )
 
-if(WIN32)
-  set(INCLUDES ${INCLUDES} ${CMAKE_HOME_DIRECTORY}/include/xbt ${CMAKE_HOME_DIRECTORY}/src/xbt) #for win32_ucontext.[ch]
-endif()
-
 if(NOT CMAKE_CROSSCOMPILING AND EXISTS /usr/include/)
   set(INCLUDES ${INCLUDES} /usr/include/)
 endif()
@@ -174,7 +165,6 @@ ENDIF()
 
 if(WIN32)
 
-  #Need env INCLUDE
   set(CMAKE_INCLUDE_WIN "${CMAKE_C_COMPILER}")
   set(CMAKE_LIB_WIN "${CMAKE_C_COMPILER}")
   string(REGEX REPLACE "/bin/gcc.*" "/include"  CMAKE_INCLUDE_WIN "${CMAKE_INCLUDE_WIN}")
@@ -182,18 +172,6 @@ if(WIN32)
   set(INCLUDES ${INCLUDES} ${CMAKE_INCLUDE_WIN})
   unset(CMAKE_INCLUDE_WIN)
 
-  set(_XBT_WIN32 1)
-
-  message(STATUS "C_COMPILER                    ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_VERSION}")
-  message(STATUS "CXX_COMPILER                  ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_VERSION}")
-  message(STATUS "CMAKE_RC_COMPILER             ${CMAKE_RC_COMPILER}")
-  message(STATUS "LIB                           ${CMAKE_LIB_WIN}")
-  message(STATUS "MAKE_PROGRAM                  ${CMAKE_MAKE_PROGRAM}")
-  message(STATUS "CMAKE_BUILD_TOOL              ${CMAKE_BUILD_TOOL}")
-  message(STATUS "LINKER                        ${CMAKE_LINKER}")
-  message(STATUS "CMAKE_GENERATOR               ${CMAKE_GENERATOR}")
-  message(STATUS "GNUC                          ${CMAKE_COMPILER_IS_GNUCC}")
-
 endif()
 
 include_directories(${INCLUDES})
@@ -202,21 +180,26 @@ include_directories(${INCLUDES})
 include(${CMAKE_HOME_DIRECTORY}/tools/cmake/Option.cmake)
 
 ### Determine the assembly flavor that we need today
+set(HAVE_RAW_CONTEXTS 0)
 include(CMakeDetermineSystem)
 IF(CMAKE_SYSTEM_PROCESSOR MATCHES ".86|AMD64|amd64")
   IF(${ARCH_32_BITS})
     message(STATUS "System processor: i686 (${CMAKE_SYSTEM_PROCESSOR}, 32 bits)")
     set(PROCESSOR_i686 1)
+    set(PROCESSOR_x86_64 0)
   ELSE()
     message(STATUS "System processor: x86_64 (${CMAKE_SYSTEM_PROCESSOR}, 64 bits)")
+    set(PROCESSOR_i686 0)
     set(PROCESSOR_x86_64 1)
   ENDIF()
-  if (MSVC)
-    message(STATUS "Disable fast raw contextes on Microsoft Visual.")
+  if (WIN32)
+    message(STATUS "Disable fast raw contexts on Windows.")
   else()
     set(HAVE_RAW_CONTEXTS 1)
   endif()
-
+ELSE()
+  set(PROCESSOR_i686 0)
+  set(PROCESSOR_x86_64 0)
 ENDIF()
 
 include(CheckFunctionExists)
@@ -243,6 +226,10 @@ if(enable_ns3)
   endif()
 endif()
 
+if(WIN32)
+  set(Boost_USE_STATIC_LIBS 1)
+endif()
+
 find_package(Boost 1.48)
 if(Boost_FOUND)
   include_directories(${Boost_INCLUDE_DIRS})
@@ -252,7 +239,8 @@ else()
   else()
     message(FATAL_ERROR "Failed to find Boost libraries."
                         "Did you install libboost-dev and libboost-context-dev?"
-                        "(libboost-context-dev is optional)")
+                        "(libboost-context-dev is optional)"
+                        "SimGrid requires Boost >= 1.48.0")
   endif()
 endif()
 
@@ -276,40 +264,31 @@ else()
 endif()
 
 # Checks for header libraries functions.
-CHECK_LIBRARY_EXISTS(dl      dlopen                  "" HAVE_DLOPEN_IN_LIBDL)
 CHECK_LIBRARY_EXISTS(execinfo backtrace              "" HAVE_BACKTRACE_IN_LIBEXECINFO)
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
 
-if(NOT WIN32) # We don't want to have winpthread-1.dll in the jarfile
-  CHECK_LIBRARY_EXISTS(pthread pthread_create          "" HAVE_PTHREAD)
-  CHECK_LIBRARY_EXISTS(pthread sem_init                "" HAVE_SEM_INIT_LIB)
-  CHECK_LIBRARY_EXISTS(pthread sem_open                "" HAVE_SEM_OPEN_LIB)
-  CHECK_LIBRARY_EXISTS(pthread sem_timedwait           "" HAVE_SEM_TIMEDWAIT_LIB)
-  CHECK_LIBRARY_EXISTS(pthread pthread_mutex_timedlock "" HAVE_MUTEX_TIMEDLOCK_LIB)
-endif()
+CHECK_LIBRARY_EXISTS(pthread pthread_create          "" HAVE_PTHREAD)
+CHECK_LIBRARY_EXISTS(pthread sem_init                "" HAVE_SEM_INIT_LIB)
+CHECK_LIBRARY_EXISTS(pthread sem_open                "" HAVE_SEM_OPEN_LIB)
+set(HAVE_PTHREAD_SETAFFINITY 0)
+CHECK_LIBRARY_EXISTS(pthread pthread_setaffinity_np  "" HAVE_PTHREAD_SETAFFINITY)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
   set(CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")
 elseif(MINGW)
+  # Use the GNU version of unusual modifiers like PRIx64
   add_definitions(-D__USE_MINGW_ANSI_STDIO=1)
   set(CMAKE_REQUIRED_DEFINITIONS "-D__USE_MINGW_ANSI_STDIO=1")
 else()
   set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
 endif()
 
-CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
-CHECK_INCLUDE_FILE("valgrind/valgrind.h" HAVE_VALGRIND_VALGRIND_H)
-CHECK_INCLUDE_FILE("sys/stat.h" HAVE_SYS_STAT_H)
-CHECK_INCLUDE_FILE("sys/ptrace.h" HAVE_SYS_PTRACE_H)
-CHECK_INCLUDE_FILE("windows.h" HAVE_WINDOWS_H)
-CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
+CHECK_INCLUDE_FILE("valgrind/valgrind.h" HAVE_VALGRIND_H)
 CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
 CHECK_INCLUDE_FILE("execinfo.h" HAVE_EXECINFO_H)
 CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
-CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)
 CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
 CHECK_INCLUDE_FILE("sys/sysctl.h" HAVE_SYS_SYSCTL_H)
-CHECK_INCLUDE_FILE("time.h" HAVE_TIME_H)
 CHECK_INCLUDE_FILE("ucontext.h" HAVE_UCONTEXT_H)
 CHECK_INCLUDE_FILE("linux/futex.h" HAVE_FUTEX_H)
 
@@ -318,28 +297,23 @@ CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
 CHECK_FUNCTION_EXISTS(getdtablesize HAVE_GETDTABLESIZE)
 CHECK_FUNCTION_EXISTS(sysconf HAVE_SYSCONF)
 CHECK_FUNCTION_EXISTS(popen HAVE_POPEN)
+CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)
+CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
 
 CHECK_SYMBOL_EXISTS(vasprintf stdio.h HAVE_VASPRINTF)
-
-if(MINGW) 
+if(MINGW)
   # The detection of vasprintf fails on MinGW, assumingly because it's
   # defined as an inline function in stdio.h instead of a regular
   # function. So force the result to be 1 despite of the test.
   set(HAVE_VASPRINTF 1)
 endif()
 
-CHECK_FUNCTION_EXISTS(makecontext HAVE_MAKECONTEXT)
-CHECK_FUNCTION_EXISTS(process_vm_readv HAVE_PROCESS_VM_READV)
-
-CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
-
 #Check if __thread is defined
 execute_process(
-  COMMAND "${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_thread_storage.c"
+  COMMAND "${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_thread_storage.c -o testprog"
   WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-  RESULT_VARIABLE HAVE_thread_storage_run
-  )
-
+  RESULT_VARIABLE HAVE_thread_storage_run)
+file(REMOVE testprog)
 if(HAVE_thread_storage_run)
   set(HAVE_THREAD_LOCAL_STORAGE 1)
 else()
@@ -362,43 +336,28 @@ else()
   SET(HAVE_MMALLOC 0)
 endif()
 
-
-if(WIN32) # Those files are not detected despite being present
-  set(HAVE_UCONTEXT_H 1)
-  set(HAVE_MAKECONTEXT 1)
-endif()
-
-set(HAVE_UCONTEXT_CONTEXTS 0)
-set(HAVE_THREAD_CONTEXTS 0)
-
 if(enable_jedule)
   set(HAVE_JEDULE 1)
-endif()
-
-if(enable_latency_bound_tracking)
-  SET(HAVE_LATENCY_BOUND_TRACKING 1)
 else()
-  SET(HAVE_LATENCY_BOUND_TRACKING 0)
+  set(HAVE_JEDULE 0)
 endif()
 
 if(enable_mallocators)
-  SET(MALLOCATOR_IS_WANTED 1)
+  SET(HAVE_MALLOCATOR 1)
 else()
-  SET(MALLOCATOR_IS_WANTED 0)
+  SET(HAVE_MALLOCATOR 0)
 endif()
 
 if(enable_model-checking AND HAVE_MMALLOC)
   SET(HAVE_MC 1)
-  SET(MMALLOC_WANT_OVERRIDE_LEGACY 1)
   include(FindLibunwind)
   include(FindLibdw)
 else()
   if(enable_model-checking)
-    message(STATUS "Warning: support for model-checking has been disabled because HAVE_MMALLOC is false")
+    message(STATUS "Warning: support for model-checking has been disabled because you are missing either mmap or __thread.")
   endif()
   SET(HAVE_MC 0)
   SET(HAVE_MMALLOC 0)
-  SET(MMALLOC_WANT_OVERRIDE_LEGACY 0)
 endif()
 
 if(enable_smpi)
@@ -414,16 +373,15 @@ if(enable_smpi)
     message (STATUS "Warning:  no support for SMPI automatic privatization on this platform")
     SET(HAVE_PRIVATIZATION 0)
   endif()
+else()
+  SET(HAVE_SMPI 0)
 endif()
 
 #--------------------------------------------------------------------------------------------------
 ### Check for GNU dynamic linker
 CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
 if (HAVE_DLFCN_H)
-    if(HAVE_DLOPEN_IN_LIBDL)
-      set(DL_LIBRARY "-ldl")
-    endif(HAVE_DLOPEN_IN_LIBDL)
-    execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_gnu_dynlinker.c ${DL_LIBRARY} -o test_gnu_ld
+    execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_gnu_dynlinker.c -ldl -o test_gnu_ld
       WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
       OUTPUT_VARIABLE HAVE_GNU_LD_compil
     )
@@ -456,13 +414,15 @@ endif()
 #--------------------------------------------------------------------------------------------------
 ### Initialize of CONTEXT THREADS
 
+set(HAVE_THREAD_CONTEXTS 0)
+
 if(HAVE_PTHREAD)
   ### Test that we have a way to create semaphores
 
   if(HAVE_SEM_OPEN_LIB)
     execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_open.c -lpthread -o sem_open
-    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-    OUTPUT_VARIABLE HAVE_SEM_OPEN_compil
+      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+      OUTPUT_VARIABLE HAVE_SEM_OPEN_compil
     )
 
     # Test sem_open by compiling:
@@ -478,9 +438,9 @@ if(HAVE_PTHREAD)
     # If we're not crosscompiling, we check by executing the program:
     if (HAVE_SEM_OPEN AND NOT CMAKE_CROSSCOMPILING)
       execute_process(COMMAND ./sem_open
-      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-      RESULT_VARIABLE HAVE_SEM_OPEN_run
-      OUTPUT_VARIABLE var_compil
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        RESULT_VARIABLE HAVE_SEM_OPEN_run
+        OUTPUT_VARIABLE var_compil
       )
       if (NOT HAVE_SEM_OPEN_run)
         set(HAVE_SEM_OPEN 1)
@@ -505,8 +465,9 @@ if(HAVE_PTHREAD)
 
   if(HAVE_SEM_INIT_LIB)
     execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_init.c -lpthread -o sem_init
-    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-    RESULT_VARIABLE HAVE_SEM_INIT_run OUTPUT_VARIABLE HAVE_SEM_INIT_compil)
+      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+      RESULT_VARIABLE HAVE_SEM_INIT_run 
+      OUTPUT_VARIABLE HAVE_SEM_INIT_compil)
 
     # Test sem_init by compiling:
     if(HAVE_SEM_INIT_compil)
@@ -521,9 +482,9 @@ if(HAVE_PTHREAD)
     # If we're not crosscompiling, we check by executing the program:
     if (HAVE_SEM_INIT AND NOT CMAKE_CROSSCOMPILING)
       execute_process(COMMAND ./sem_init
-      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-      RESULT_VARIABLE HAVE_SEM_INIT_run
-      OUTPUT_VARIABLE var_compil
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        RESULT_VARIABLE HAVE_SEM_INIT_run
+        OUTPUT_VARIABLE var_compil
       )
       if (NOT HAVE_SEM_INIT_run)
         set(HAVE_SEM_INIT 1)
@@ -547,225 +508,150 @@ if(HAVE_PTHREAD)
     message(FATAL_ERROR "Semaphores are not usable (neither sem_open nor sem_init is both compilable and executable), but they are mandatory to threads (you may need to mount /dev).")
   endif()
 
-  ### Test that we have a way to timewait for semaphores
-
-  if(HAVE_SEM_TIMEDWAIT_LIB)
+  set(HAVE_THREAD_CONTEXTS 1)
+  message("-- Support for thread context factory ok.")
+endif()
 
-    execute_process(
-      COMMAND "${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_sem_timedwait.c -lpthread"
-      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-      OUTPUT_VARIABLE HAVE_SEM_TIMEDWAIT_run
-      )
 
-    if(HAVE_SEM_TIMEDWAIT_run)
-      set(HAVE_SEM_TIMEDWAIT 0)
-      message(STATUS "timedwait not compilable")
-    else()
-      set(HAVE_SEM_TIMEDWAIT 1)
-      message(STATUS "timedwait is compilable")
-    endif()
+set(HAVE_UCONTEXT_CONTEXTS 0)
+if(NOT HAVE_UCONTEXT_H)
+  message("-- No ucontext factory: <ucontext.h> not found.")
+elseif(APPLE)
+  message("-- No ucontext factory: Apple don't want us to use them.")
+  set(HAVE_UCONTEXT_H 0)
+else()
+  try_compile(compile_makecontext ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_makecontext.c
+    OUTPUT_VARIABLE compile_makecontext_output)
+  
+  #If can have both context
+  if(compile_makecontext)
+    set(HAVE_UCONTEXT_CONTEXTS 1)
+    message("-- Support for ucontext factory ok.")
+  else()
+    message("-- Error: <ucontext.h> exists, but makecontext is not compilable. Compilation output:\n ${compile_makecontext_output}")
+    message("-- No ucontext factory: makecontext() is not compilable.")
   endif()
 
-  ### HAVE_MUTEX_TIMEDLOCK
-
-  if(HAVE_MUTEX_TIMEDLOCK_LIB)
-
-    execute_process(
-      COMMAND "${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_mutex_timedlock.c -lpthread"
-      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-      OUTPUT_VARIABLE HAVE_MUTEX_TIMEDLOCK_run
-      )
-
-    if(HAVE_MUTEX_TIMEDLOCK_run)
-      set(HAVE_MUTEX_TIMEDLOCK 0)
-      message(STATUS "timedlock not compilable")
-    else()
-      message(STATUS "timedlock is compilable")
-      set(HAVE_MUTEX_TIMEDLOCK 1)
-    endif()
+  # Stack setup (size and address)
+  try_run(RUN_makecontext_VAR COMPILE_makecontext_VAR
+    ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stacksetup.c
+    RUN_OUTPUT_VARIABLE stack_setup)
+
+  LIST(LENGTH stack_setup stack_setup_len)
+  if("${stack_setup_len}" STREQUAL "2")
+    LIST(GET stack_setup 0 makecontext_addr)
+    LIST(GET stack_setup 1 makecontext_size)
+    set(sg_makecontext_stack_addr "#define sg_makecontext_stack_addr(skaddr) (${makecontext_addr})")
+    set(sg_makecontext_stack_size "#define sg_makecontext_stack_size(sksize) (${makecontext_size})")
+  else()
+    message(FATAL_ERROR "Could not figure out the stack setup. Compil: ${RUN_makecontext_VAR}. Exec: ${COMPILE_makecontext_VAR}. Output: ${stack_setup}")
   endif()
 endif()
 
-# This is needed for ucontext on MacOS X:
-if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-  add_definitions(-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE)
-endif()
+# Stack growth direction (upward or downward). Used for the following contexts: SysV, raw, Boost
+try_run(RUN_stackgrowth_VAR COMPILE_stackgrowth_VAR
+  ${CMAKE_BINARY_DIR}
+  ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stackgrowth.c
+  RUN_OUTPUT_VARIABLE stack
+  COPY_FILE test_stackgrowth)
 
-if(WIN32)
-  # We always provide our own implementation of ucontext on Windows.
-  try_compile(HAVE_UCONTEXT
-    ${CMAKE_BINARY_DIR}
-    ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_AC_CHECK_MCSC.c
-    COMPILE_DEFINITIONS -D_XBT_WIN32 -I${CMAKE_HOME_DIRECTORY}/src/include -I${CMAKE_HOME_DIRECTORY}/src/xbt
-  )
+if("${stack}" STREQUAL "down")
+  set(PTH_STACKGROWTH "-1")
+elseif("${stack}" STREQUAL "up")
+  set(PTH_STACKGROWTH "1")
 else()
-  # We always provide our own implementation of ucontext on Windows.
-  try_compile(HAVE_UCONTEXT
-    ${CMAKE_BINARY_DIR}
-    ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_AC_CHECK_MCSC.c)
-endif()
-
-#If can have both context
-
-if(HAVE_UCONTEXT)
-  set(HAVE_UCONTEXT_CONTEXTS 1)
-  message("-- Support for ucontext factory")
+  if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
+    set(PTH_STACKGROWTH "-1")
+  elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i686")
+    set(PTH_STACKGROWTH "-1")
+  else()
+    message(FATAL_ERROR "Could not figure out the stack direction. Test prog returned: ${stack}; CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}.")
+  endif()
 endif()
+# If the test ran well, remove the test binary
+file(REMOVE test_stackgrowth)
+#--------------------------------------------------------------------------------------------------
 
-if(HAVE_PTHREAD)
-  set(HAVE_THREAD_CONTEXTS 1)
-  message("-- Support for thread context factory")
+### check for addr2line
+find_path(ADDR2LINE NAMES addr2line	PATHS NO_DEFAULT_PATHS)
+if(ADDR2LINE)
+  set(ADDR2LINE "${ADDR2LINE}/addr2line")
 endif()
 
 ###############
 ## GIT version check
 ##
 if(EXISTS ${CMAKE_HOME_DIRECTORY}/.git/)
-  execute_process(COMMAND git remote
-  COMMAND head -n 1
-  WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
-  OUTPUT_VARIABLE remote
-  RESULT_VARIABLE ret
-  )
-  string(REPLACE "\n" "" remote "${remote}")
+  execute_process(
+     COMMAND git remote
+     COMMAND head -n 1
+     WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
+     OUTPUT_VARIABLE remote
+     OUTPUT_STRIP_TRAILING_WHITESPACE)
   #message(STATUS "Git remote: ${remote}")
   execute_process(COMMAND git config --get remote.${remote}.url
-  WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
-  OUTPUT_VARIABLE url
-  RESULT_VARIABLE ret
-  )
-  string(REPLACE "\n" "" url "${url}")
+     WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
+     OUTPUT_VARIABLE url
+     OUTPUT_STRIP_TRAILING_WHITESPACE)
   #message(STATUS "Git url: ${url}")
   if(url)
     execute_process(COMMAND git --git-dir=${CMAKE_HOME_DIRECTORY}/.git log --pretty=oneline --abbrev-commit -1
-    WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
-    OUTPUT_VARIABLE GIT_VERSION
-    RESULT_VARIABLE ret
-    )
-    string(REPLACE "\n" "" GIT_VERSION "${GIT_VERSION}")
+       WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
+       OUTPUT_VARIABLE GIT_VERSION
+       OUTPUT_STRIP_TRAILING_WHITESPACE)
     message(STATUS "Git version: ${GIT_VERSION}")
+    
     execute_process(COMMAND git --git-dir=${CMAKE_HOME_DIRECTORY}/.git log -n 1 --pretty=format:%ai .
-    WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
-    OUTPUT_VARIABLE GIT_DATE
-    RESULT_VARIABLE ret
-    )
-    string(REPLACE "\n" "" GIT_DATE "${GIT_DATE}")
+       WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
+       OUTPUT_VARIABLE GIT_DATE 
+       OUTPUT_STRIP_TRAILING_WHITESPACE)
     message(STATUS "Git date: ${GIT_DATE}")
     string(REGEX REPLACE " .*" "" GIT_VERSION "${GIT_VERSION}")
     
     execute_process(COMMAND git --git-dir=${CMAKE_HOME_DIRECTORY}/.git log --pretty=format:%H -1
-                    WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
-		    OUTPUT_VARIABLE SIMGRID_GITHASH
-		    RESULT_VARIABLE ret
-		    )
-    string(REPLACE "\n" "" SIMGRID_GITHASH "${SIMGRID_GITHASH}")
-		    
+       WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/.git/
+       OUTPUT_VARIABLE SIMGRID_GITHASH
+       OUTPUT_STRIP_TRAILING_WHITESPACE)
   endif()
 elseif(EXISTS ${CMAKE_HOME_DIRECTORY}/.gitversion)
   FILE(STRINGS ${CMAKE_HOME_DIRECTORY}/.gitversion GIT_VERSION)
 endif()
 
-if(GIT_VERSION)
-  set(SIMGRID_VERSION_BANNER "${SIMGRID_VERSION_BANNER} at commit ${GIT_VERSION}")
-endif()
-if(GIT_DATE)
-  set(SIMGRID_VERSION_BANNER "${SIMGRID_VERSION_BANNER} (${GIT_DATE})")
-endif()
-#--------------------------------------------------------------------------------------------------
 
-set(makecontext_CPPFLAGS_2 "")
-if(HAVE_MAKECONTEXT OR WIN32)
-  set(makecontext_CPPFLAGS "-DTEST_makecontext")
-  if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-    set(makecontext_CPPFLAGS_2 "-D_XOPEN_SOURCE=700")
-  endif()
+### Generate the required headers and scripts
+#############################################
 
-  if(WIN32)
-    if(ARCH_32_BITS)
-      set(makecontext_CPPFLAGS "-DTEST_makecontext -D_I_X86_")
-    else()
-      set(makecontext_CPPFLAGS "-DTEST_makecontext -D_AMD64_")
-    endif()
-    set(makecontext_CPPFLAGS_2 "-D_XBT_WIN32 -I${CMAKE_HOME_DIRECTORY}/src/include -I${CMAKE_HOME_DIRECTORY}/src/xbt")
-  endif()
-
-  file(REMOVE ${CMAKE_BINARY_DIR}/conftestval)
-
-  if(CMAKE_CROSSCOMPILING)
-    set(RUN_makecontext_VAR "cross")
-    set(COMPILE_makecontext_VAR "cross")
-  else()
-    try_run(RUN_makecontext_VAR COMPILE_makecontext_VAR
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stacksetup.c
-      COMPILE_DEFINITIONS "${makecontext_CPPFLAGS} ${makecontext_CPPFLAGS_2}"
-      )
-  endif()
-
-  if(EXISTS ${CMAKE_BINARY_DIR}/conftestval)
-    file(READ ${CMAKE_BINARY_DIR}/conftestval MAKECONTEXT_ADDR_SIZE)
-    string(REPLACE "\n" "" MAKECONTEXT_ADDR_SIZE "${MAKECONTEXT_ADDR_SIZE}")
-    string(REGEX MATCH ;^.*,;MAKECONTEXT_ADDR "${MAKECONTEXT_ADDR_SIZE}")
-    string(REGEX MATCH ;,.*$; MAKECONTEXT_SIZE "${MAKECONTEXT_ADDR_SIZE}")
-    string(REPLACE "," "" makecontext_addr "${MAKECONTEXT_ADDR}")
-    string(REPLACE "," "" makecontext_size "${MAKECONTEXT_SIZE}")
-    set(pth_skaddr_makecontext "#define pth_skaddr_makecontext(skaddr,sksize) (${makecontext_addr})")
-    set(pth_sksize_makecontext "#define pth_sksize_makecontext(skaddr,sksize) (${makecontext_size})")
-  else()
-    # message(FATAL_ERROR "makecontext is not compilable")
-  endif()
-endif()
-
-#--------------------------------------------------------------------------------------------------
-
-### check for stackgrowth
-if (NOT CMAKE_CROSSCOMPILING)
-  try_run(RUN_stackgrowth_VAR COMPILE_stackgrowth_VAR
-    ${CMAKE_BINARY_DIR}
-    ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_stackgrowth.c
-    RUN_OUTPUT_VARIABLE stack
-    COPY_FILE test_stackgrowth
-  )
-endif()
-if("${stack}" STREQUAL "down")
-  set(PTH_STACKGROWTH "-1")
-elseif("${stack}" STREQUAL "up")
-  set(PTH_STACKGROWTH "1")
-else()
-  if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
-    set(PTH_STACKGROWTH "-1")
-  elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i686")
-    set(PTH_STACKGROWTH "-1")
+# gcc makes no difference between "#define HAVE_FOOBAR" and "#define HAVE_FOOBAR 0" by default, 
+# but this too error prone. If you forget to include the config.h, you get weird segfaults.
+# If you include it everywhere, everything gets recompiled everytime.
+# So we include only where needed, and compile with -Wundef to notice the missing includes.
+# But cmake sometimes defines to the empty definition (#define HAVE_VALGRIND_H).
+# So we have to make sure that everything got a decent value before generating the files.
+foreach(var HAVE_EXECINFO_H HAVE_FUTEX_H HAVE_GETDTABLESIZE HAVE_GETTIMEOFDAY HAVE_MMAP
+            HAVE_NANOSLEEP  HAVE_POPEN HAVE_POSIX_GETTIME HAVE_PROCESS_VM_READV HAVE_SIGNAL_H
+	    HAVE_SYS_PARAM_H HAVE_SYS_SYSCTL_H HAVE_SYSCONF HAVE_UCONTEXT_H HAVE_UNISTD_H
+	    HAVE_VALGRIND_H HAVE_VASPRINTF)
+  if(${var})
+    set(${var} 1)
   else()
-    message(FATAL_ERROR "Could not figure out the stack direction. Test prog returned: ${stack}; CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}.")
+    set(${var} 0)
   endif()
-endif()
-
-###############
-## System checks
-##
-
-### check for addr2line
-find_path(ADDR2LINE NAMES addr2line	PATHS NO_DEFAULT_PATHS	)
-if(ADDR2LINE)
-  set(ADDR2LINE "${ADDR2LINE}/addr2line")
-endif()
-
-### File to create
+endforeach()
 
-configure_file("${CMAKE_HOME_DIRECTORY}/src/context_sysv_config.h.in"
-  "${CMAKE_BINARY_DIR}/src/context_sysv_config.h" @ONLY IMMEDIATE)
+# Avoid triggering a (full) rebuild by touching the files if they did not really change
+configure_file("${CMAKE_HOME_DIRECTORY}/tools/cmake/src/internal_config.h.in" "${CMAKE_BINARY_DIR}/src/internal_config.h.generated"    @ONLY IMMEDIATE)
+configure_file("${CMAKE_HOME_DIRECTORY}/include/simgrid_config.h.in"          "${CMAKE_BINARY_DIR}/include/simgrid_config.h.generated" @ONLY IMMEDIATE)
+execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/src/internal_config.h.generated ${CMAKE_BINARY_DIR}/src/internal_config.h)
+execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/include/simgrid_config.h.generated ${CMAKE_BINARY_DIR}/include/simgrid_config.h)
+file(REMOVE ${CMAKE_BINARY_DIR}/src/internal_config.h.generated)
+file(REMOVE ${CMAKE_BINARY_DIR}/include/simgrid_config.h.generated)
 
-SET( CMAKEDEFINE "#cmakedefine" )
-configure_file("${CMAKE_HOME_DIRECTORY}/tools/cmake/src/internal_config.h.in" "${CMAKE_BINARY_DIR}/src/internal_config.h" @ONLY IMMEDIATE)
-configure_file("${CMAKE_BINARY_DIR}/src/internal_config.h" "${CMAKE_BINARY_DIR}/src/internal_config.h" @ONLY IMMEDIATE)
-configure_file("${CMAKE_HOME_DIRECTORY}/include/simgrid_config.h.in" "${CMAKE_BINARY_DIR}/include/simgrid_config.h" @ONLY IMMEDIATE)
+# We need two versions of the SMPI scripts because they contain the path to the library
+# so, it depends of whether SimGrid is installed, or run from the sources (during the build)
 
-set(top_srcdir "${CMAKE_HOME_DIRECTORY}")
-set(srcdir "${CMAKE_HOME_DIRECTORY}/src")
-set(bindir "${CMAKE_BINARY_DIR}")
+file(READ ${CMAKE_HOME_DIRECTORY}/src/smpi/smpitools.sh SMPITOOLS_SH) # Definitions shared amongst all SMPI scripts, inlined in each of them
 
-### Script used when simgrid is installed
+### SMPI script used when simgrid is installed
 set(exec_prefix ${CMAKE_INSTALL_PREFIX})
 set(includeflag "-I${CMAKE_INSTALL_PREFIX}/include -I${CMAKE_INSTALL_PREFIX}/include/smpi")
 set(includedir "${CMAKE_INSTALL_PREFIX}/include")
@@ -776,45 +662,32 @@ if(NS3_LIBRARY_PATH)
 endif()
 set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:\${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"")
 
-file(READ ${CMAKE_HOME_DIRECTORY}/src/smpi/smpitools.sh SMPITOOLS_SH)
 configure_file(${CMAKE_HOME_DIRECTORY}/include/smpi/mpif.h.in ${CMAKE_BINARY_DIR}/include/smpi/mpif.h @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpicc.in ${CMAKE_BINARY_DIR}/bin/smpicc @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpicxx.in ${CMAKE_BINARY_DIR}/bin/smpicxx @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpiff.in ${CMAKE_BINARY_DIR}/bin/smpiff @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpif90.in ${CMAKE_BINARY_DIR}/bin/smpif90 @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpirun.in ${CMAKE_BINARY_DIR}/bin/smpirun @ONLY)
+foreach(script cc cxx ff f90 run)
+  configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpi${script}.in ${CMAKE_BINARY_DIR}/bin/smpi${script} @ONLY)
+endforeach()
 
-### Script used when simgrid is compiling
+### SMPI scripts used when compiling simgrid 
+set(exec_prefix "${CMAKE_BINARY_DIR}/smpi_script/")
 set(includeflag "-I${CMAKE_HOME_DIRECTORY}/include -I${CMAKE_HOME_DIRECTORY}/include/smpi")
 set(includeflag "${includeflag} -I${CMAKE_BINARY_DIR}/include -I${CMAKE_BINARY_DIR}/include/smpi")
 set(includedir "${CMAKE_HOME_DIRECTORY}/include")
-set(exec_prefix "${CMAKE_BINARY_DIR}/smpi_script/")
+set(libdir "${CMAKE_BINARY_DIR}/lib")
 set(CMAKE_SMPI_COMMAND "export LD_LIBRARY_PATH=\"${CMAKE_BINARY_DIR}/lib")
 if(NS3_LIBRARY_PATH)
   set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:${NS3_LIBRARY_PATH}")
 endif()
 set(CMAKE_SMPI_COMMAND "${CMAKE_SMPI_COMMAND}:\${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"")
-set(libdir "${CMAKE_BINARY_DIR}/lib")
 
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpicc.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpicc @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpicxx.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpicxx @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpiff.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpiff @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpif90.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpif90 @ONLY)
-configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpirun.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpirun @ONLY)
-
-set(top_builddir ${CMAKE_HOME_DIRECTORY})
+foreach(script cc cxx ff f90 run)
+  configure_file(${CMAKE_HOME_DIRECTORY}/src/smpi/smpi${script}.in ${CMAKE_BINARY_DIR}/smpi_script/bin/smpi${script} @ONLY)
+endforeach()
 
 if(NOT WIN32)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpicc)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpicxx)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpiff)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpif90)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpirun)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpicc)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpicxx)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpiff)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpif90)
-  execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpirun)
+  foreach(script cc cxx ff f90 run)
+    execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/bin/smpi${script})
+    execute_process(COMMAND chmod a=rwx ${CMAKE_BINARY_DIR}/smpi_script/bin/smpi${script})
+  endforeach()
 endif()
 
 set(generated_headers_to_install
@@ -823,7 +696,6 @@ set(generated_headers_to_install
   )
 
 set(generated_headers
-  ${CMAKE_CURRENT_BINARY_DIR}/src/context_sysv_config.h
   ${CMAKE_CURRENT_BINARY_DIR}/src/internal_config.h
   )
 
@@ -1005,7 +877,100 @@ else()
   endif()
 endif()
 
-### Print ARGS
-include(${CMAKE_HOME_DIRECTORY}/tools/cmake/PrintArgs.cmake)
+### Print the result of configuration
+message("")
+message("##########################################")
+message("#### Content of src/internal_config.h ####")
+message("##########################################")
+file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/src/internal_config.h config_output)
+LIST(REMOVE_AT config_output 0 1 2 3 4 5 6 7 8 9 10) # Pass the file header
+foreach(line ${config_output})
+  message("   ${line}")
+endforeach()
+message("##########################################")
+message("####   Content of simgrid_config.h    ####")
+message("##########################################")
+file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/include/simgrid_config.h config_output)
+LIST(REMOVE_AT config_output 0 1 2 3 4 5 6 7 8 9 -1) # Pass the file header
+foreach(line ${config_output})
+  message("   ${line}")
+endforeach()
+message("##########################################")
+message("####   End of configuration headers   ####")
+message("##########################################")
+
+message("\nConfiguration of package `simgrid':")
+message("        Home directory ..............: ${CMAKE_HOME_DIRECTORY}")
+message("        Build Name ..................: ${BUILDNAME}")
+message("        Cmake Generator .............: ${CMAKE_GENERATOR}")
+message("        Site ........................: ${SITE}")
+message("        Install prefix ..............: ${CMAKE_INSTALL_PREFIX}")
+if(release)
+  message("        Release .....................: simgrid-${release_version}${SIMGRID_VERSION_EXTRA} (release build)")
+else()
+  message("        Release .....................: simgrid-${release_version}${SIMGRID_VERSION_EXTRA} (development build)")
+endif()
+message("")
+message("        Compiler: C .................: ${CMAKE_C_COMPILER} (id: ${CMAKE_C_COMPILER_ID})")
+message("                version .............: ${CMAKE_C_COMPILER_VERSION}")
+message("                is gnu ..............: ${CMAKE_COMPILER_IS_GNUCC}")
+message("        Compiler: C++ ...............: ${CMAKE_CXX_COMPILER} (id: ${CMAKE_CXX_COMPILER_ID})")
+message("                version .............: ${CMAKE_CXX_COMPILER_VERSION}")
+if(${Java_FOUND})
+  message("        Compiler: Javac .............: ${Java_JAVAC_EXECUTABLE}")
+  message("                version .............: ${Java_VERSION_STRING}")
+if(${SWIG_FOUND})
+  message("                SWIG ................: Version ${SWIG_VERSION} found.")
+else()
+  message("                SWIG ................: Missing.")
+endif()
+endif()
+if(CMAKE_Fortran_COMPILER)
+  message("        Compiler: Fortran ...........: ${CMAKE_Fortran_COMPILER} (id: ${CMAKE_Fortran_COMPILER_ID})")
+  message("                version .............: ${CMAKE_Fortran_COMPILER_VERSION}")
+endif()
+message("        Linker: .....................: ${CMAKE_LINKER}")
+message("                version .............: ${LINKER_VERSION}")
+message("        Make program: ...............: ${CMAKE_MAKE_PROGRAM}")
+message("")
+message("        CFlags ......................: ${CMAKE_C_FLAGS}")
+message("        CXXFlags ....................: ${CMAKE_CXX_FLAGS}")
+message("        LDFlags .....................: ${CMAKE_C_LINK_FLAGS}")
+message("        with LTO ....................: ${enable_lto}")
+message("")
+
+if (HAVE_NS3)
+  message("        Compile NS-3 ................: yes (path: ${NS3_PATH})")
+else()
+  message("        Compile NS-3 ................: NO  (hint: ${NS3_HINT})")
+endif()
+
+if (${Java_FOUND})
+  message("        Compile Java ................: yes")
+  message("          Native lib in jar .........: ${enable_lib_in_jar}")
+else()
+  message("        Compile Java ................: NO")
+endif()
+message("        Compile Lua .................: ${HAVE_LUA}")
+message("        Compile Smpi ................: ${HAVE_SMPI}")
+message("          Smpi fortran ..............: ${SMPI_FORTRAN}")
+message("          MPICH3 testsuite ..........: ${enable_smpi_MPICH3_testsuite}")
+message("          Privatization .............: ${HAVE_PRIVATIZATION}")
+message("        Compile Boost.Context support: ${HAVE_BOOST_CONTEXTS}")
+message("")
+message("        Maintainer mode .............: ${enable_maintainer_mode}")
+message("        Documentation................: ${enable_documentation}")
+message("        Model checking ..............: ${HAVE_MC}")
+message("        Jedule  mode ................: ${HAVE_JEDULE}")
+message("        Graphviz mode ...............: ${HAVE_GRAPHVIZ}")
+message("        Sigc++ mode .................: ${SIMGRID_HAVE_LIBSIG}")
+message("        Mallocators .................: ${enable_mallocators}")
+message("")
+message("        Simgrid dependencies ........: ${SIMGRID_DEP}")
+message("")
+
+execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${PROJECT_BINARY_DIR}/Testing/Notes/)
+file(WRITE ${PROJECT_BINARY_DIR}/Testing/Notes/Build  "GIT version : ${GIT_VERSION}\n")
+file(APPEND ${PROJECT_BINARY_DIR}/Testing/Notes/Build "Release     : simgrid-${release_version}\n")
 
 INCLUDE(Dart)