X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetpagesize.h;h=fb5b91c0890d0169502ddac7186b4913763d83b6;hb=4bc0a0ad4c963017ab77335801566546afbf965b;hp=4e513c31adeb08b93ecb7e01f5496544ca62f5bb;hpb=3dba1682f1b6f9a19fc9df51cae3ea9c3c273951;p=gnulib.git

diff --git a/lib/getpagesize.h b/lib/getpagesize.h
index 4e513c31a..fb5b91c08 100644
--- a/lib/getpagesize.h
+++ b/lib/getpagesize.h
@@ -2,34 +2,48 @@
 
 #ifndef HAVE_GETPAGESIZE
 
-#ifdef VMS
-#define getpagesize() 512
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
 #endif
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if !defined getpagesize && defined _SC_PAGESIZE
+# if !(defined VMS && __VMS_VER < 70000000)
+#  define getpagesize() sysconf (_SC_PAGESIZE)
+# endif
 #endif
 
-#ifdef _SC_PAGESIZE
-#define getpagesize() sysconf(_SC_PAGESIZE)
-#else
+#if !defined getpagesize && defined VMS
+# ifdef __ALPHA
+#  define getpagesize() 8192
+# else
+#  define getpagesize() 512
+# endif
+#endif
 
-#include <sys/param.h>
+/* This is for BeOS.  */
+#if !defined getpagesize && HAVE_OS_H
+# include <OS.h>
+# if defined B_PAGE_SIZE
+#  define getpagesize() B_PAGE_SIZE
+# endif
+#endif
 
-#ifdef EXEC_PAGESIZE
-#define getpagesize() EXEC_PAGESIZE
-#else
-#ifdef NBPG
-#define getpagesize() NBPG * CLSIZE
-#ifndef CLSIZE
-#define CLSIZE 1
-#endif /* no CLSIZE */
-#else /* no NBPG */
-#ifdef NBPC
-#define getpagesize() NBPC
-#endif /* NBPC */
-#endif /* no NBPG */
-#endif /* no EXEC_PAGESIZE */
-#endif /* no _SC_PAGESIZE */
+#ifndef getpagesize
+# include <sys/param.h>
+# ifdef EXEC_PAGESIZE
+#  define getpagesize() EXEC_PAGESIZE
+# else
+#  ifdef NBPG
+#   ifndef CLSIZE
+#    define CLSIZE 1
+#   endif
+#   define getpagesize() (NBPG * CLSIZE)
+#  else
+#   ifdef NBPC
+#    define getpagesize() NBPC
+#   endif
+#  endif
+# endif
+#endif
 
 #endif /* not HAVE_GETPAGESIZE */