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50 lines
1.8 KiB
Diff
50 lines
1.8 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 --git a/configure b/configure
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index eecd0ac..0118bd1 100755
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--- a/configure
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+++ b/configure
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@@ -5804,7 +5804,7 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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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 --git a/configure.ac b/configure.ac
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index 4a77411..19f6d87 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1391,7 +1391,7 @@ dnl cross-platform since the gcc used can be a cross compiler. Without
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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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--
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2.9.3
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