From 7a00fff46bf5f3bf82c37fe4605f27b5cf12fce6 Mon Sep 17 00:00:00 2001 From: Fabio Berton Date: Fri, 11 Nov 2016 14:56:25 -0200 Subject: [PATCH] linux-congatec: Add patch to fix compile issue under gcc6 Signed-off-by: Fabio Berton Signed-off-by: Otavio Salvador --- .../Fix-the-compile-issue-under-gcc6.patch | 92 +++++++++++++++++++ recipes-kernel/linux/linux-congatec_3.14.bb | 1 + 2 files changed, 93 insertions(+) create mode 100644 recipes-kernel/linux/linux-congatec-3.14/Fix-the-compile-issue-under-gcc6.patch diff --git a/recipes-kernel/linux/linux-congatec-3.14/Fix-the-compile-issue-under-gcc6.patch b/recipes-kernel/linux/linux-congatec-3.14/Fix-the-compile-issue-under-gcc6.patch new file mode 100644 index 0000000..3d080b6 --- /dev/null +++ b/recipes-kernel/linux/linux-congatec-3.14/Fix-the-compile-issue-under-gcc6.patch @@ -0,0 +1,92 @@ +From 5d39bd421fc093e2c852316080538cef85a9e1a0 Mon Sep 17 00:00:00 2001 +From: yocto +Date: Thu, 2 Jun 2016 00:18:33 -0500 +Subject: [PATCH] Fix the compile issue under gcc6 + +Fix the following build error: +| .../include/linux/compiler-gcc.h:106:30: fatal error: linux/compiler-gcc6.h: No such file or directory +| #include gcc_header(__GNUC__) + +Signed-off-by: Zhenhua Luo + +Upstream-Status: Pending +--- + include/linux/compiler-gcc6.h | 66 +++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 66 insertions(+) + create mode 100644 include/linux/compiler-gcc6.h + +diff --git a/include/linux/compiler-gcc6.h b/include/linux/compiler-gcc6.h +new file mode 100644 +index 0000000..cdd1cc2 +--- /dev/null ++++ b/include/linux/compiler-gcc6.h +@@ -0,0 +1,66 @@ ++#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] ++ ++ Early snapshots of gcc 4.3 don't support this and we can't detect this ++ in the preprocessor, but we can live with this because they're unreleased. ++ Maketime probing would be overkill here. ++ ++ 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. ++ * ++ * Early snapshots of gcc 4.5 don't support this and we can't detect ++ * this in the preprocessor, but we can live with this because they're ++ * unreleased. Really, we need to have autoconf for the kernel. ++ */ ++#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. ++ * Fixed in GCC 4.8.2 and later versions. ++ * ++ * (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 */ +-- +2.5.0 + diff --git a/recipes-kernel/linux/linux-congatec_3.14.bb b/recipes-kernel/linux/linux-congatec_3.14.bb index 54fe6ae..6c05594 100644 --- a/recipes-kernel/linux/linux-congatec_3.14.bb +++ b/recipes-kernel/linux/linux-congatec_3.14.bb @@ -10,6 +10,7 @@ DEPENDS += "lzop-native bc-native" SRCBRANCH = "cgt_qmx6_3.14-1.0.x-mx6_1.0.0" SRC_URI = "git://git.congatec.com/arm/imx6_kernel_3.14.git;protocol=http;branch=${SRCBRANCH} \ + file://Fix-the-compile-issue-under-gcc6.patch \ file://defconfig" SRCREV = "f5eee0b0b67b3021676dc9fd47cf95e1dd88b749"