X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fc6485562c7f11b39a3a41e7d4504e4f5c40890a..e9db5085c8ca743ddfb4335d34c8927e1c758162:/acmacro/gras_arch.m4

diff --git a/acmacro/gras_arch.m4 b/acmacro/gras_arch.m4
index c6aeeb122b..4348769a81 100644
--- a/acmacro/gras_arch.m4
+++ b/acmacro/gras_arch.m4
@@ -114,7 +114,7 @@ AC_DEFUN([GRAS_STRUCT_BOUNDARY],
  AC_MSG_CHECKING(for the minimal structure boundary of $1)
 
  AC_CACHE_VAL(GRAS_STRUCT_BOUNDARY_RES, 
- [for ac_size in 1 2 4 8 16 32 64 ; do # List sizes in rough order of prevalence. 
+ [for ac_size in 1 2 4 8 16 32 64 3 ; do # List sizes in rough order of prevalence. 
    AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include "confdefs.h" 
      #include <sys/types.h> 
      struct s { char c; $1 i; };
@@ -202,6 +202,21 @@ fi
 echo "$as_me:$LINENO: GRAS trace of this machine: $trace" >&AS_MESSAGE_LOG_FD
 AC_DEFINE_UNQUOTED(GRAS_THISARCH,$gras_arch,[defines the GRAS architecture signature of this machine])
 AC_MSG_RESULT($gras_arch ($gras_arch_name))
+
+AC_MSG_CHECKING(the maximal size of scalar)
+ac_cv_sizeof_max=0
+for s in $ac_cv_sizeof_char \
+         $ac_cv_sizeof_short_int $ac_cv_sizeof_int $ac_cv_sizeof_long_int $ac_cv_sizeof_long_long_int \
+         $ac_cv_sizeof_void_p $ac_cv_sizeof_void_LpR_LvoidR \
+	 4 8; do
+	 
+  if test $ac_cv_sizeof_max -lt $s ; then 
+    ac_cv_sizeof_max=$s
+  fi
+done
+AC_MSG_RESULT($ac_cv_sizeof_max)
+AC_DEFINE_UNQUOTED([SIZEOF_MAX],$ac_cv_sizeof_max,[The maximal size of any scalar on this arch])
+
 ])
 # END OF GRAS ARCH CHECK