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commit 7db1fe38de21831d53ceab9ae83493d8d1aec601
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Tue Oct 22 20:24:10 2019 +0000
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Fix testroot.pristine creation copying dynamic linker.
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This patch addresses an issue reported in
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<https://sourceware.org/ml/libc-alpha/2019-07/msg00661.html> where the
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creation of testroot.pristine, on encountering
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LD_TRACE_LOADED_OBJECTS=1 of the form
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libc.so.6 => /scratch/jmyers/glibc/mbs/obj/glibc-8-0-mips64-linux-gnu-x86_64-linux-gnu/default/libc.so.6 (0x772dd000)
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/lib32/ld.so.1 => /scratch/jmyers/glibc/mbs/obj/glibc-8-0-mips64-linux-gnu-x86_64-linux-gnu/default/elf/ld.so.1 (0x7747b000)
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tries to copy /lib32/ld.so.1 (which does not exist) into the testroot
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instead of copying the path on the RHS of "=>", which does exist,
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because the Makefile logic assumes that the path on such a line with
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'/' should be copied, when if there are such paths on both the LHS and
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the RHS of "=>", only the one on the RHS necessarily exists and so
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only that should be copied. The patch follows the approach suggested
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by DJ in <https://sourceware.org/ml/libc-alpha/2019-07/msg00662.html>,
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with the suggestion from Andreas in
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<https://sourceware.org/ml/libc-alpha/2019-10/msg00514.html> of a
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single sed command in place of pipeline of grep and three sed
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commands.
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Tested for x86_64, with and without --enable-hardcoded-path-in-tests;
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a previous version with multiple sed commands, implementing the same
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logic, also tested for MIPS, with and without
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--enable-hardcoded-path-in-tests, to confirm it fixes the original
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problem.
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Co-authored-by: DJ Delorie <dj@redhat.com>
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diff --git a/Makefile b/Makefile
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index d7e4be9..0711b97 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -564,7 +564,7 @@ ifeq ($(run-built-tests),yes)
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for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \
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$(rtld-prefix) \
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$(objpfx)testroot.pristine/bin/sh \
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- | grep / | sed 's/^[^/]*//' | sed 's/ .*//'` ;\
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+ | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
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do \
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test -d `dirname $(objpfx)testroot.pristine$$dso` || \
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mkdir -p `dirname $(objpfx)testroot.pristine$$dso` ;\
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@@ -573,7 +573,7 @@ ifeq ($(run-built-tests),yes)
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for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \
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$(rtld-prefix) \
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$(objpfx)support/$(LINKS_DSO_PROGRAM) \
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- | grep / | sed 's/^[^/]*//' | sed 's/ .*//'` ;\
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+ | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\
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do \
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test -d `dirname $(objpfx)testroot.pristine$$dso` || \
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mkdir -p `dirname $(objpfx)testroot.pristine$$dso` ;\
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