2.6.27-ncc/0006-NCC-compiler-gcc.h-Do-not-use-__must_be_array-macr.patch

   1 From 5e4bf13db6f7f922be589436d57ec31548d7f538 Mon Sep 17 00:00:00 2001
   2 From: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
   3 Date: Fri, 10 Oct 2008 10:56:07 -0300
   4 Subject: [PATCH] NCC: compiler-gcc.h: Do not use __must_be_array macro
   5
   6 Otherwise ncc will fail with the following error:
   7
   8 """
   9 /home/lcapitulino/src/kernels/upstream/linux-2.6-ncc/arch/x86/kernel/setup.c (412): syntax error:"( ( e820 . map ) [ 0 ] ) + ( sizeof ( char [ 1 - 2 * ! ! ( __builtin_types_compatible_p ( __typeof__ ( e820 . map ) , __typeof__ ( & e820 . map [ 0 ] ) ) ) ] ) - 1 ) ) "
  10 make[1]: *** [arch/x86/kernel/setup.o] Error 1
  11 make: *** [arch/x86/kernel] Error 2
  12 """
  13
  14 Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
  15 ---
  16  include/linux/compiler-gcc.h |    4 ++++
  17  1 files changed, 4 insertions(+), 0 deletions(-)
  18
  19 diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
  20 index 83a3d4c..46a9f84 100644
  21 --- a/include/linux/compiler-gcc.h
  22 +++ b/include/linux/compiler-gcc.h
  23 @@ -25,8 +25,12 @@
  24      (typeof(ptr)) (__ptr + (off)); })
  25
  26  /* &a[0] degrades to a pointer: a different type from an array */
  27 +#ifdef __NCC__
  28 +#define __must_be_array(a) 0
  29 +#else
  30  #define __must_be_array(a) \
  31    BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
  32 +#endif
  33
  34  /*
  35   * Force always-inline if the user requests it so via the .config,
  36 --
  37 1.5.6
  38