linux-kernel - [PATCH 2.6.21.3] kbuild: fix build for cygwin

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Date:	Fri, 08 Jun 2007 11:32:29 -0700
From:	Tom <fivemiletom@...il.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: [PATCH 2.6.21.3] kbuild: fix build for cygwin

From: Tom Enderes <enderes@...il.com>

The kernel build failed on cygwin hosts, because cygwin has slightly 
different typedefs compared to linux:
scripts/mod/file2alias.c:518: error: dereferencing pointer to incomplete
type
Two files, scripts/mod/file2alias.c and scripts/mod/modpost.h, were 
modified as follows:
Whever __CYGWIN__ is defined, __uint32 is defined as __uint32_t (instead 
of uint_32_t) and the missing ElfxxSection definitions are added.
These changes have been tested both on cygwin 1.5.24, hostcc=gcc 3.4.4 
and on FC5, hostcc=gcc 4.1.1-1. Any tests on cygwin, with and without 
this change, were executed with the following set for make: 
HOST_LOADLIBES="-lcurses -lintl".

Signed-off-by: Tom Enderes <enderes@...il.com>

diff -Naur -r o21.1/scripts/mod/file2alias.c
2.6.21.1/scripts/mod/file2alias.c
--- o21.1/scripts/mod/file2alias.c    2007-04-27 14:49:26.000000000 -0700
+++ 2.6.21.1/scripts/mod/file2alias.c    2007-05-29 20:35:01.209115300
-0700
@@ -29,7 +29,11 @@

  #include <ctype.h>

+#ifdef __CYGWIN__
+typedef __uint32_t      __u32;
+#else
  typedef uint32_t    __u32;
+#endif
  typedef uint16_t    __u16;
  typedef unsigned char    __u8;

diff -Naur -r o21.1/scripts/mod/modpost.h 2.6.21.1/scripts/mod/modpost.h
--- o21.1/scripts/mod/modpost.h    2007-04-27 14:49:26.000000000 -0700
+++ 2.6.21.1/scripts/mod/modpost.h    2007-05-29 20:35:01.599732800
-0700
@@ -9,6 +9,11 @@
  #include <unistd.h>
  #include <elf.h>

+#ifdef __CYGWIN__
+typedef uint16_t Elf32_Section;
+typedef uint16_t Elf64_Section;
+#endif
+
  #include "elfconfig.h"

  #if KERNEL_ELFCLASS == ELFCLASS32

-
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