linux-kernel - [PATCH] Avoid conflict with host definitions when cross-compiling

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Message-id: <011201d09dd6$d7decf10$879c6d30$@samsung.com>
Date:	Wed, 03 Jun 2015 11:25:25 +0300
From:	Pavel Fedin <p.fedin@...sung.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] Avoid conflict with host definitions when cross-compiling

 Certain platforms (e. g. BSD-based ones) define some ELF constants according to host.
This patch fixes problems with cross-building Linux kernel on these platforms.

Signed-off-by: Pavel Fedin <p.fedin@...sung.com>
---
 scripts/mod/modpost.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 168b43d..9f51365 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -11,6 +11,12 @@
 
 #include "elfconfig.h"
 
+/* Cygwin's elf.h defines these according to host's word size */
+#undef ELF_ST_BIND
+#undef ELF_ST_TYPE
+#undef ELF_R_SYM
+#undef ELF_R_TYPE
+
 #if KERNEL_ELFCLASS == ELFCLASS32
 
 #define Elf_Ehdr    Elf32_Ehdr
-- 
1.9.5.msysgit.0


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