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fix libsanitizer build on ppc-linux

From: Olivier Hainque <hainque at adacore dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 29 Apr 2016 10:08:07 +0200
Subject: fix libsanitizer build on ppc-linux
Authentication-results: sourceware.org; auth=none

Hello,

Attempts to bootstrap on our powerpc-linux hosts fail
on libsanitizer with symptoms like:


  In file included from ../../../../src/libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc:29:0:
  /usr/include/asm/posix_types.h:72:51: error: '__kernel_fd_set' has not been declared
  static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)

  /usr/include/asm/posix_types.h: In function 'void __FD_SET(long unsigned int, int*)':
  /usr/include/asm/posix_types.h:74:28: error: '__NFDBITS' was not declared in this scope
  unsigned long _tmp = fd / __NFDBITS;
  ...

The attach patch fixes this, and bootstrap+regtests fine on x86_64-linux.

OK to commit ?

Thanks in advance,

With Kind Regards,

Olivier


2016-04-29  Olivier Hainque  <hainque@adacore.com>

        libsanitizer/
   	* sanitizer_common/sanitizer_platform_limits_linux.cc:
   	#include <linux/posix_types.h> instead of asm/posix_types.h.

Attachment: libsan-linux.diff
Description: Binary data

Follow-Ups:
- Re: fix libsanitizer build on ppc-linux
  - From: Jakub Jelinek

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