[PATCH TRIVIAL v2] Avoid conflict with host definitions when cross-compiling

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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 (e. g. building ARM 32-bit version
on x86-64 host).

Signed-off-by: Pavel Fedin <p.fedin@xxxxxxxxxxx>
---
v1 => v2
- Replaced "Cygwin" with "BSD-alike OS-es"
---
 scripts/mod/modpost.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 168b43d..6a5e151 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -11,6 +11,12 @@
 
 #include "elfconfig.h"
 
+/* On BSD-alike OSes 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
-- 
2.4.4

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