From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- include/grub/compiler.h | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 include/grub/compiler.h (limited to 'include/grub/compiler.h') diff --git a/include/grub/compiler.h b/include/grub/compiler.h new file mode 100644 index 0000000..8f3be3a --- /dev/null +++ b/include/grub/compiler.h @@ -0,0 +1,59 @@ +/* compiler.h - macros for various compiler features */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010,2014 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef GRUB_COMPILER_HEADER +#define GRUB_COMPILER_HEADER 1 + +/* GCC version checking borrowed from glibc. */ +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +# define GNUC_PREREQ(maj,min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +# define GNUC_PREREQ(maj,min) 0 +#endif + +/* Does this compiler support compile-time error attributes? */ +#if GNUC_PREREQ(4,3) +# define ATTRIBUTE_ERROR(msg) \ + __attribute__ ((__error__ (msg))) +#else +# define ATTRIBUTE_ERROR(msg) __attribute__ ((noreturn)) +#endif + +#if GNUC_PREREQ(4,4) +# define GNU_PRINTF gnu_printf +#else +# define GNU_PRINTF printf +#endif + +#if GNUC_PREREQ(3,4) +# define WARN_UNUSED_RESULT __attribute__ ((warn_unused_result)) +#else +# define WARN_UNUSED_RESULT +#endif + +#if defined(__clang__) && defined(__clang_major__) && defined(__clang_minor__) +# define CLANG_PREREQ(maj,min) \ + ((__clang_major__ > (maj)) || \ + (__clang_major__ == (maj) && __clang_minor__ >= (min))) +#else +# define CLANG_PREREQ(maj,min) 0 +#endif + +#endif /* ! GRUB_COMPILER_HEADER */ -- cgit v1.2.3