From a63182bc739fa2ef86861a939898717e04cb7153 Mon Sep 17 00:00:00 2001 From: Isaac David Date: Fri, 9 Jun 2017 15:44:53 -0500 Subject: libre-testing/uboot4extlinux-*: new versions and configs also patch old u-boot tarballs to build with gcc7 --- .../0002-kernel-add-support-for-gcc-7.patch | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 libre-testing/uboot4extlinux-wandboard/0002-kernel-add-support-for-gcc-7.patch (limited to 'libre-testing/uboot4extlinux-wandboard/0002-kernel-add-support-for-gcc-7.patch') diff --git a/libre-testing/uboot4extlinux-wandboard/0002-kernel-add-support-for-gcc-7.patch b/libre-testing/uboot4extlinux-wandboard/0002-kernel-add-support-for-gcc-7.patch new file mode 100644 index 000000000..ca59b159a --- /dev/null +++ b/libre-testing/uboot4extlinux-wandboard/0002-kernel-add-support-for-gcc-7.patch @@ -0,0 +1,68 @@ +diff --git a/include/linux/compiler-gcc7.h b/include/linux/compiler-gcc7.h +new file mode 100644 +index 0000000..ba064fa +--- /dev/null ++++ b/include/linux/compiler-gcc7.h +@@ -0,0 +1,59 @@ ++#ifndef __LINUX_COMPILER_H ++#error "Please don't include directly, include instead." ++#endif ++ ++#define __used __attribute__((__used__)) ++#define __must_check __attribute__((warn_unused_result)) ++#define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ++ ++/* Mark functions as cold. gcc will assume any path leading to a call ++ to them will be unlikely. This means a lot of manual unlikely()s ++ are unnecessary now for any paths leading to the usual suspects ++ like BUG(), printk(), panic() etc. [but let's keep them for now for ++ older compilers] ++ ++ gcc also has a __attribute__((__hot__)) to move hot functions into ++ a special section, but I don't see any sense in this right now in ++ the kernel context */ ++#define __cold __attribute__((__cold__)) ++ ++#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) ++ ++#ifndef __CHECKER__ ++# define __compiletime_warning(message) __attribute__((warning(message))) ++# define __compiletime_error(message) __attribute__((error(message))) ++#endif /* __CHECKER__ */ ++ ++/* ++ * Mark a position in code as unreachable. This can be used to ++ * suppress control flow warnings after asm blocks that transfer ++ * control elsewhere. ++ */ ++#define unreachable() __builtin_unreachable() ++ ++/* Mark a function definition as prohibited from being cloned. */ ++#define __noclone __attribute__((__noclone__)) ++ ++/* ++ * Tell the optimizer that something else uses this function or variable. ++ */ ++#define __visible __attribute__((externally_visible)) ++ ++/* ++ * GCC 'asm goto' miscompiles certain code sequences: ++ * ++ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 ++ * ++ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. ++ * ++ * (asm goto is automatically volatile - the naming reflects this.) ++ */ ++#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) ++ ++#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP ++#define __HAVE_BUILTIN_BSWAP32__ ++#define __HAVE_BUILTIN_BSWAP64__ ++#define __HAVE_BUILTIN_BSWAP16__ ++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ ++ ++#define KASAN_ABI_VERSION 4 +-- +2.1.4 + -- cgit v1.2.3