[mc] Do not clobber CMAKE_C_FLAGS and friends

[simgrid.git] / include / xbt / misc.h

diff --git a/include/xbt/misc.h b/include/xbt/misc.h
index 3be8fc1..9bd9b24 100644 (file)
--- a/include/xbt/misc.h
+++ b/include/xbt/misc.h
@@ -202,6 +202,12 @@
 
 #endif
 
+#ifdef _XBT_WIN32
+#define XBT_INTERNAL
+#else
+#define XBT_INTERNAL __attribute__((visibility ("hidden")))
+#endif
+
 #if !defined (max) && !defined(__cplusplus)
 #  define max(a,b)  (((a) > (b)) ? (a) : (b))
 #endif
@@ -235,6 +241,9 @@ SG_BEGIN_DECL()
 /** Cache the size of a memory page for the current system. */
 XBT_PUBLIC_DATA(int) xbt_pagesize;
 
+/** Cache the number of bits of addresses inside a given page, log2(xbt_pagesize). */
+XBT_PUBLIC_DATA(int) xbt_pagebits;
+
 XBT_PUBLIC(const char *) xbt_procname(void);
 
 #define XBT_BACKTRACE_SIZE 10   /* FIXME: better place? Do document */