0001-Only-blacklist-ARM-gcc-4.8.0-and-4.8.1.patch 1.3 KB

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  1. From 54d8fe7ae40902d6d38e670f4024092f53c14e1f Mon Sep 17 00:00:00 2001
  2. From: Samuel Martin <s.martin49@gmail.com>
  3. Date: Sat, 8 Mar 2014 13:19:14 +0100
  4. Subject: [PATCH] Only blacklist ARM gcc 4.8.0 and 4.8.1
  5. Since many ARM toolchain providers include the bug fix for PR58854 in
  6. their latest releases based on gcc-4.8.2, then only blacklist gcc 4.8.0
  7. and 4.8.1.
  8. Signed-off-by: Samuel Martin <s.martin49@gmail.com>
  9. ---
  10. urcu/compiler.h | 9 ++++++++-
  11. 1 file changed, 8 insertions(+), 1 deletion(-)
  12. diff --git a/include/urcu/compiler.h b/include/urcu/compiler.h
  13. index 1e30903..56115f1 100644
  14. --- a/include/urcu/compiler.h
  15. +++ b/include/urcu/compiler.h
  16. @@ -118,10 +118,17 @@
  17. + __GNUC_PATCHLEVEL__)
  18. /*
  19. + * Official gcc releases from 4.8.0 to 4.8.2 have the following bug,
  20. + * however, many arm toolchain providers have the included the fix for
  21. + * their latest 4.8.2 releases.
  22. + * So, we only blacklist gcc 4.8.0 and 4.8.1.
  23. + * Unfortunately, this bug is not easy to test, so we rely on the
  24. + * knowledge of the user on its compiler.
  25. + *
  26. * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
  27. */
  28. # ifdef __ARMEL__
  29. -# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40802
  30. +# if URCU_GCC_VERSION >= 40800 && URCU_GCC_VERSION <= 40801
  31. # error Your gcc version produces clobbered frame accesses
  32. # endif
  33. # endif
  34. --
  35. 1.9.0