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c2fecb0a51
Updating the linux-libc-headers to the 5.x kernel variant to match the latest reference kernel in the 2.7 release. We have two patches refreshed for context changes, and three patches dropped since they have been merged to the mainline kernel and are no longer necessary. (From OE-Core rev: f6c825c41e3d4c14ae4ba0b2a07cc41d538e0d61) Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
From 694eba7bb974f6b8bd308804cb24350150108b2b Mon Sep 17 00:00:00 2001
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From: He Zhe <zhe.he@windriver.com>
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Date: Wed, 21 Nov 2018 15:12:43 +0800
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Subject: [PATCH] scripts: Use fixed input and output files instead of pipe for here-doc
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There was a bug of "as" in binutils that when it checks if the input file and
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output file are the same one, it would not check if they are on the same block
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device. The check is introduced by the following commit in v2.31.
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=
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67f846b59b32f3d704c601669409c2584383fea9
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The here-doc usage in this script creates temporary file in /tmp. When we run in
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an environment where /tmp has rarely been used, the newly created temporary file
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may have a very low inode number. If the inode number was 6 which is the same as
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/dev/null, the as would wrongly think the input file and the output file are the
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same and report the following error.
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*** Compiler lacks asm-goto support.. Stop.
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One observed case happened in docker where the /tmp could be so rarely used that
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very low number inode may be allocated and triggers the error.
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The fix below for the bug only exists on the master branch of binutils so far
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and has not been released from upstream. As the convict is introduced since
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v2.31, only v2.31 is affected.
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=
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2a50366ded329bfb39d387253450c9d5302c3503
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When building linux-libc-headers we need to use "as" in binutils which does not
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contain the fix for the moment. To work around the error, we create a fixed
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temporary file to contain the program being tested.
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This patch also removes ">/dev/null 2>&1" so we will have more direct error
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information in case something else wrong happened.
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Upstream-Status: Inappropriate [A work around for binutils v2.31]
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Signed-off-by: He Zhe <zhe.he@windriver.com>
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---
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scripts/gcc-goto.sh | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
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index 8b980fb22..d256a9438 100755
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--- a/scripts/gcc-goto.sh
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+++ b/scripts/gcc-goto.sh
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@@ -3,7 +3,7 @@
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# Test for gcc 'asm goto' support
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# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
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-cat << "END" | $@ -x c - -fno-PIE -c -o /dev/null
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+cat << "END" > ./input
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int main(void)
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{
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#if defined(__arm__) || defined(__aarch64__)
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@@ -20,3 +20,6 @@ entry:
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return 0;
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}
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END
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+
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+$@ -x c ./input -fno-PIE -c -o ./output
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+rm ./input ./output
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--
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2.19.1
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