fix build with gcc5
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0014-Add-linux-compiler-gcc5.h-to-fix-builds-with-gcc5.patch
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93
0014-Add-linux-compiler-gcc5.h-to-fix-builds-with-gcc5.patch
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From 837672560cd87546186b16e313d2d9b7973ea699 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Sat, 7 Feb 2015 11:28:44 +0100
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Subject: [PATCH v2] Add linux/compiler-gcc5.h to fix builds with gcc5
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Add linux/compiler-gcc5/h from the kernel sources at:
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commit 5631b8fba640a4ab2f8a954f63a603fa34eda96b
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Author: Steven Noonan <steven@uplinklabs.net>
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Date: Sat Oct 25 15:09:42 2014 -0700
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compiler/gcc4+: Remove inaccurate comment about 'asm goto' miscompiles
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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include/linux/compiler-gcc5.h | 65 +++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 65 insertions(+)
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create mode 100644 include/linux/compiler-gcc5.h
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diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
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new file mode 100644
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index 0000000..c8c5659
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--- /dev/null
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+++ b/include/linux/compiler-gcc5.h
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@@ -0,0 +1,65 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
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+#endif
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+
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+#define __used __attribute__((__used__))
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+#define __must_check __attribute__((warn_unused_result))
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+#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
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+
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+/* Mark functions as cold. gcc will assume any path leading to a call
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+ to them will be unlikely. This means a lot of manual unlikely()s
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+ are unnecessary now for any paths leading to the usual suspects
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+ like BUG(), printk(), panic() etc. [but let's keep them for now for
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+ older compilers]
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+
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+ Early snapshots of gcc 4.3 don't support this and we can't detect this
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+ in the preprocessor, but we can live with this because they're unreleased.
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+ Maketime probing would be overkill here.
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+
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+ gcc also has a __attribute__((__hot__)) to move hot functions into
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+ a special section, but I don't see any sense in this right now in
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+ the kernel context */
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+#define __cold __attribute__((__cold__))
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+
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+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
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+
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+#ifndef __CHECKER__
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+# define __compiletime_warning(message) __attribute__((warning(message)))
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+# define __compiletime_error(message) __attribute__((error(message)))
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+#endif /* __CHECKER__ */
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+
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+/*
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+ * Mark a position in code as unreachable. This can be used to
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+ * suppress control flow warnings after asm blocks that transfer
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+ * control elsewhere.
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+ *
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+ * Early snapshots of gcc 4.5 don't support this and we can't detect
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+ * this in the preprocessor, but we can live with this because they're
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+ * unreleased. Really, we need to have autoconf for the kernel.
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+ */
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+#define unreachable() __builtin_unreachable()
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+
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+/* Mark a function definition as prohibited from being cloned. */
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+#define __noclone __attribute__((__noclone__))
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+
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+/*
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+ * Tell the optimizer that something else uses this function or variable.
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+ */
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+#define __visible __attribute__((externally_visible))
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+
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+/*
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+ * GCC 'asm goto' miscompiles certain code sequences:
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+ *
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+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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+ *
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+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
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+ *
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+ * (asm goto is automatically volatile - the naming reflects this.)
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+ */
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+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
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+
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+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
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+#define __HAVE_BUILTIN_BSWAP32__
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+#define __HAVE_BUILTIN_BSWAP64__
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+#define __HAVE_BUILTIN_BSWAP16__
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+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
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--
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2.2.2
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@ -2,7 +2,7 @@
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Name: uboot-tools
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Version: 2015.01
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Release: 2%{?candidate:.%{candidate}}%{?dist}
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Release: 3%{?candidate:.%{candidate}}%{?dist}
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Summary: U-Boot utilities
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Group: Development/Tools
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@ -23,6 +23,7 @@ Patch10: 0010-port-utilite-to-distro-generic-boot-commands.patch
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Patch11: 0011-add-back-adding-console-to-the-bootargs-if-not-prese.patch
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Patch12: 0012-wandboard-port-to-generic-distro-booting.patch
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Patch13: 0013-Switch-omap4-boards-to-use-config_distro_defaults-an.patch
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Patch14: 0014-Add-linux-compiler-gcc5.h-to-fix-builds-with-gcc5.patch
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BuildRequires: dtc, openssl-devel
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BuildRequires: fedora-logos, netpbm-progs
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@ -488,6 +489,9 @@ install -p -m 0644 tools/env/fw_env.config $RPM_BUILD_ROOT%{_sysconfdir}
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%endif
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%changelog
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* Sat Feb 07 2015 Hans de Goede <hdegoede@redhat.com> - 2015.01-3
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- fix build with gcc5
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* Mon Feb 02 2015 Dennis Gilmore <dennis@ausil.us> - 2015.01-2
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- enable db-mv784mp-gp
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