From 6fd76f26199f5baf4b4dbbf7958cb12ecfd6acbf Mon Sep 17 00:00:00 2001
From: Rui Ueyama <ruiu@cs.stanford.edu>
Date: Thu, 16 Dec 2021 13:04:46 +0900
Subject: [PATCH] [Mach-O] Fix build breakage on Alpine by renaming PAGE_SIZE

PAGE_SIZE is sometimes defined by a header file as macro.
This change renames it COMMON_PAGE_SIZE.

Fixes https://github.com/rui314/mold/issues/142
---
 macho/mold.h           | 2 +-
 macho/output-chunks.cc | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/macho/mold.h b/macho/mold.h
index e47d1fc3..46d3b0df 100644
--- a/macho/mold.h
+++ b/macho/mold.h
@@ -13,7 +13,7 @@
 
 namespace mold::macho {
 
-static constexpr i64 PAGE_SIZE = 0x4000;
+static constexpr i64 COMMON_PAGE_SIZE = 0x4000;
 static constexpr i64 SHA256_SIZE = 32;
 
 template <typename E> class Chunk;
diff --git a/macho/output-chunks.cc b/macho/output-chunks.cc
index cd28e377..b7cc395b 100644
--- a/macho/output-chunks.cc
+++ b/macho/output-chunks.cc
@@ -484,12 +484,12 @@ void OutputSegment<E>::set_offset(Context<E> &ctx, i64 fileoff, u64 vmaddr) {
     vmaddr += sec.hdr.size;
   }
 
-  cmd.vmsize = align_to(vmaddr - cmd.vmaddr, PAGE_SIZE);
+  cmd.vmsize = align_to(vmaddr - cmd.vmaddr, COMMON_PAGE_SIZE);
 
   if (this == ctx.segments.back().get())
     cmd.filesize = fileoff - cmd.fileoff;
   else
-    cmd.filesize = align_to(fileoff - cmd.fileoff, PAGE_SIZE);
+    cmd.filesize = align_to(fileoff - cmd.fileoff, COMMON_PAGE_SIZE);
 }
 
 template <typename E>