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| Current File : //lib/rpm/redhat/libtool-handle-ppc64le.sh |
#!/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