From c3d84877524d8bfcc182699a682c37834de0bc50 Mon Sep 17 00:00:00 2001
From: Franck LeCodeur <cassisian@gmail.com>
Date: Fri, 27 Aug 2021 22:02:33 +0200
Subject: [PATCH] jam: Fix build warnings. Add missing include for POSIX
 compliant systems.
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Warnings were:

Cc bin.linuxx86/fileunix.o
fileunix.c: In function ‘file_archscan’:
fileunix.c:217:6: warning: implicit declaration of function ‘read’; did you mean ‘fread’? [-Wimplicit-function-declaration]
  217 |  if( read( fd, buf, SARMAG ) != SARMAG ||
      |      ^~~~
      |      fread
fileunix.c:220:6: warning: implicit declaration of function ‘close’; did you mean ‘pclose’? [-Wimplicit-function-declaration]
  220 |      close( fd );
      |      ^~~~~
      |      pclose
fileunix.c:272:3: warning: implicit declaration of function ‘lseek’; did you mean ‘fseek’? [-Wimplicit-function-declaration]
  272 |   lseek(fd, offset + SARHDR, 0);
      |   ^~~~~
      |   fseek

Change-Id: Iedcdec01deb929d6c91ebc9d7eb72497fe078dd4
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/4399
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
---
 jam/fileunix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jam/fileunix.c b/jam/fileunix.c
index d4f3427f45..1fb6f63508 100644
--- a/jam/fileunix.c
+++ b/jam/fileunix.c
@@ -58,7 +58,7 @@
 # define STRUCT_DIRENT struct dirent 
 # endif
 
-# ifdef __CYGWIN__
+# if defined(__CYGWIN__) || defined(unix)
 # include <unistd.h>
 # endif