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45 lines
1.9 KiB
Diff
45 lines
1.9 KiB
Diff
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From 61d5f9c09b3157db76bd1a393e248c262a8d9dd4 Mon Sep 17 00:00:00 2001
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From: Alexey Neyman <stilor@att.net>
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Date: Wed, 8 Mar 2017 14:31:10 -0800
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Subject: [PATCH] Fix combreloc test with BSD grep
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The test for "-z combreloc" fails when cross-compiling on a machine
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that uses BSD grep (e.g. on macos). grep complains about empty
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subexpression and exits with non-zero status, which is interpreted
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by configure as "not found". As a result, support for "-z combreloc"
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(HAVE_Z_COMBRELOC) is not detected, leading to link failure on SPARC.
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* configure.ac: Avoid empty subexpression in grep.
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Signed-off-by: Alexey Neyman <stilor@att.net>
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---
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ChangeLog | 5 +++++
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configure | 2 +-
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configure.ac | 2 +-
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3 files changed, 7 insertions(+), 2 deletions(-)
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diff -urpN glibc-2.12.2.orig/configure glibc-2.12.2/configure
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--- glibc-2.12.2.orig/configure 2010-12-13 02:47:26.000000000 -0800
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+++ glibc-2.12.2/configure 2017-03-08 21:18:07.000000000 -0800
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@@ -6710,7 +6710,7 @@ EOF
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$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }
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then
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- if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
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+ if readelf -S conftest.so | grep '\.\(rel\|rela\)\.dyn' > /dev/null; then
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libc_cv_z_combreloc=yes
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else
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libc_cv_z_combreloc=no
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diff -urpN glibc-2.12.2.orig/configure.in glibc-2.12.2/configure.in
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--- glibc-2.12.2.orig/configure.in 2010-12-13 02:47:26.000000000 -0800
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+++ glibc-2.12.2/configure.in 2017-03-08 21:18:17.000000000 -0800
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@@ -1671,7 +1671,7 @@ dnl cross-platform since the gcc used ca
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dnl introducing new options this is not easily doable. Instead use a tool
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dnl which always is cross-platform: readelf. To detect whether -z combreloc
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dnl look for a section named .rel.dyn.
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- if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
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+ if readelf -S conftest.so | grep '\.\(rel\|rela\)\.dyn' > /dev/null; then
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libc_cv_z_combreloc=yes
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else
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libc_cv_z_combreloc=no
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