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- Log -----------------------------------------------------------------
commit 63ba176be3ef1d72e92a056f64c724ca5b5c81b6
Author: Michael Tremer <michael.tremer(a)ipfire.org>
Date:   Fri Jun 2 08:46:16 2017 +0100

    u-boot: Fix compile issues with GCC 6
    
    Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org>

-----------------------------------------------------------------------

Summary of changes:
 lfs/u-boot                              |  2 +
 src/patches/u-boot-c99-inline-fix.patch | 20 ++++++++++
 src/patches/u-boot-support-gcc-6.patch  | 71 +++++++++++++++++++++++++++++++++
 3 files changed, 93 insertions(+)
 create mode 100644 src/patches/u-boot-c99-inline-fix.patch
 create mode 100644 src/patches/u-boot-support-gcc-6.patch

Difference in files:
diff --git a/lfs/u-boot b/lfs/u-boot
index 3b3fbf2..e34f76a 100644
--- a/lfs/u-boot
+++ b/lfs/u-boot
@@ -76,6 +76,8 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
 
 	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/U-Boot-v2-fs-fat-read-fix-fat16-ls-read-issue.patch
+	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/u-boot-support-gcc-6.patch
+	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/u-boot-c99-inline-fix.patch
 
 	# Pandaboard
 	-mkdir -pv /usr/share/u-boot/pandaboard
diff --git a/src/patches/u-boot-c99-inline-fix.patch b/src/patches/u-boot-c99-inline-fix.patch
new file mode 100644
index 0000000..5956e55
--- /dev/null
+++ b/src/patches/u-boot-c99-inline-fix.patch
@@ -0,0 +1,20 @@
+diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
+index 9896e54..99c6dcc 100644
+--- a/include/linux/compiler-gcc.h
++++ b/include/linux/compiler-gcc.h
+@@ -44,9 +44,10 @@
+  */
+ #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \
+     !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
+-# define inline		inline		__attribute__((always_inline))
+-# define __inline__	__inline__	__attribute__((always_inline))
+-# define __inline	__inline	__attribute__((always_inline))
++/* XXX: check __GNUC_STDC_INLINE__, fix line length */
++# define inline		inline		__attribute__((always_inline)) __attribute__((__gnu_inline__))
++# define __inline__	__inline__	__attribute__((always_inline)) __attribute__((__gnu_inline__))
++# define __inline	__inline	__attribute__((always_inline)) __attribute__((__gnu_inline__))
+ #endif
+ 
+ #define __deprecated			__attribute__((deprecated))
+-- 
+1.8.3.2
diff --git a/src/patches/u-boot-support-gcc-6.patch b/src/patches/u-boot-support-gcc-6.patch
new file mode 100644
index 0000000..f6b4c30
--- /dev/null
+++ b/src/patches/u-boot-support-gcc-6.patch
@@ -0,0 +1,71 @@
+diff --git a/include/linux/compiler-gcc6.h b/include/linux/compiler-gcc6.h
+new file mode 100644
+index 0000000..622117b
+--- /dev/null
++++ b/include/linux/compiler-gcc6.h
+@@ -0,0 +1,65 @@
++#ifndef __LINUX_COMPILER_H
++#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> 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.
++ *
++ * (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 */


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