#!/bin/bash # Date: April 2, 2014 # by Aldy Hernandez # Attempt to fix any "-m elf64ppc" linker checks in configure and # libtool.m4 files. # # This script is meant to run silently as part of rpm's %configure # macro. It either fixes the problem, or we silently ignore it, in # which case it is up to the package maintainer to add support for # ppc64le. # Our two attempts at fixing the problem. PATCH1=/tmp/$$.patch1 PATCH2=/tmp/$$.patch2 cleanup() { rm -f $PATCH1 $PATCH2 } trap cleanup 0 1 2 3 4 5 6 7 8 9 11 13 14 15 # There are two variants in RHEL7 so far. The first version, handled # with $PATCH1, currently handles all but 3 packages. The $PATCH2 # version handles the remnant. # cat > $PATCH1 <<EOF --- configure.orig 2014-03-18 15:56:15.575070238 -0500 +++ configure 2014-03-18 16:05:50.877861163 -0500 @@ -7714,6 +7714,9 @@ x86_64-*linux*) LD="\${LD-ld} -m elf_i386" ;; + ppc64le-*linux*|powerpc64le-*linux*) + LD="\${LD-ld} -m elf32lppclinux" + ;; ppc64-*linux*|powerpc64-*linux*) LD="\${LD-ld} -m elf32ppclinux" ;; @@ -7733,6 +7736,9 @@ x86_64-*linux*) LD="\${LD-ld} -m elf_x86_64" ;; + ppc*le-*linux*|powerpc*le-*linux*) + LD="\${LD-ld} -m elf64lppc" + ;; ppc*-*linux*|powerpc*-*linux*) LD="\${LD-ld} -m elf64ppc" ;; EOF cat > $PATCH2 <<EOF --- configure.orig 2014-03-18 16:35:28.942799967 -0500 +++ configure 2014-03-18 16:34:35.608519090 -0500 @@ -3798,6 +3798,9 @@ x86_64-*linux*) LD="\${LD-ld} -m elf_i386" ;; + ppc64le-*linux*) + LD="\${LD-ld} -m elf32lppclinux" + ;; ppc64-*linux*) LD="\${LD-ld} -m elf32ppclinux" ;; @@ -3814,6 +3817,9 @@ x86_64-*linux*) LD="\${LD-ld} -m elf_x86_64" ;; + ppc*le-*linux*|powerpc*le-*linux*) + LD="\${LD-ld} -m elf64lppc" + ;; ppc*-*linux*|powerpc*-*linux*) LD="\${LD-ld} -m elf64ppc" ;; EOF FILES=`find . -name configure -o -name libtool.m4` for f in $FILES; do # Filter out candidates that already handle ppc64le. if grep -s -e '-m elf64lppc' $f >/dev/null; then continue fi # Filter out candidates that don't handle PPC. if ! grep -s -e '-m elf64ppc' $f >/dev/null; then continue fi echo "Broken -m elf64ppc use in $f should handle elf64lppc." echo "Attempting automatic fix." # Attempt to fix the offended file. basename=`basename $f` dirname=`dirname $f` for p in $PATCH1 $PATCH2; do # This is an all for nothing affair. The patch either # applies entirely clean, or we don't even try. # # Tentatively try either patch cleanly, and if we succeed then # do it for real. pushd $dirname 2>&1 > /dev/null if [ $basename = libtool.m4 ]; then sed s/configure/libtool.m4/ < $p | patch --dry-run --follow-symlinks -l 2>&1 >/dev/null else patch --dry-run --follow-symlinks -l < $p 2>&1 > /dev/null fi if [ $? != 0 ]; then echo -n "$p approach did not work for $dirname/$basename: " pwd # This approach didn't work, try the next one. popd 2>&1 > /dev/null continue fi # Seriously now... if [ $basename = libtool.m4 ]; then # Save the timestamp. cp -p $basename /tmp/tmp.$$ sed s/configure/libtool.m4/ < $p | patch --follow-symlinks -l -s 2>&1 > /dev/null # Use the old timestamp, to avoid anyone noticing changes # to libtool.m4. touch --reference=/tmp/tmp.$$ $basename rm -f /tmp/tmp.$$ else patch --follow-symlinks -l -s < $p 2>&1 > /dev/null fi echo "Fixed $f for ld -m ppc64le support." popd 2>&1 > /dev/null break done done rm -f $PATCH1 $PATCH2

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