From 2a6660ba595bd85a637249cb96a5f451a1aa4034 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Tue, 18 Aug 2015 00:31:31 +0300
Subject: [PATCH] extmod/modmachine: Avoid conflicts with system PAGE_SIZE
 define, if any.

---
 extmod/modmachine.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/extmod/modmachine.c b/extmod/modmachine.c
index b9ebee120e..bebbc6bb82 100644
--- a/extmod/modmachine.c
+++ b/extmod/modmachine.c
@@ -33,12 +33,12 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#define MICROPY_PAGE_SIZE 4096
+#define MICROPY_PAGE_MASK (MICROPY_PAGE_SIZE - 1)
 #endif
 
 #if MICROPY_PY_MACHINE
 
-#define PAGE_SIZE 4096
-#define PAGE_MASK (PAGE_SIZE - 1)
 
 STATIC mp_uint_t get_addr(mp_obj_t addr_o, uint align) {
     mp_uint_t addr = mp_obj_int_get_truncated(addr_o);
@@ -58,12 +58,12 @@ STATIC mp_uint_t get_addr(mp_obj_t addr_o, uint align) {
             }
         }
 
-        mp_uint_t cur_base = addr & ~PAGE_MASK;
+        mp_uint_t cur_base = addr & ~MICROPY_PAGE_MASK;
         if (cur_base != last_base) {
-            map_page = (mp_uint_t)mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, cur_base);
+            map_page = (mp_uint_t)mmap(NULL, MICROPY_PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, cur_base);
             last_base = cur_base;
         }
-        addr = map_page + (addr & PAGE_MASK);
+        addr = map_page + (addr & MICROPY_PAGE_MASK);
     }
     #endif