Copy ld.so.conf and friends when copy_binaries is used

This fixes "error while loading shared libraries libgcc_s.so.1 cannot
open shared object file" when attempting to import a root pool on ARM.

Signed-off-by: Richard Yao <ryao@gentoo.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/gen_initramfs.sh b/gen_initramfs.sh
index 3047470..40318a2 100755
--- a/gen_initramfs.sh
+++ b/gen_initramfs.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 # $Id$
 
+COPY_BINARIES=false
 CPIO_ARGS="--quiet -o -H newc"
 
 # The copy_binaries function is explicitly released under the CC0 license to
@@ -24,6 +25,8 @@ copy_binaries() {
 	local destdir=$1
 	shift
 
+	COPY_BINARIES=true
+
 	for binary in "$@"; do
 		[[ -e "${binary}" ]] \
 				|| gen_die "Binary ${binary} could not be found"
@@ -448,6 +451,28 @@ append_zfs(){
 	rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
 }
 
+append_linker() {
+	if [ -d "${TEMP}/initramfs-linker-temp" ]
+	then
+		rm -r "${TEMP}/initramfs-linker-temp"
+	fi
+
+	mkdir -p "${TEMP}/initramfs-linker-temp/etc/ld.so.conf.d"
+
+	cp "/etc/ld.so."{cache,conf} "${TEMP}/initramfs-linker-temp/etc/" 2> /dev/null \
+		|| gen_die "Could not copy ld.so.{cache,conf}"
+
+	cp -r "/etc/ld.so.conf.d" "${TEMP}/initramfs-linker-temp/etc/" 2> /dev/null \
+		|| gen_die "Could not copy ld.so.conf.d"
+
+	cd "${TEMP}/initramfs-linker-temp/"
+	log_future_cpio_content
+	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
+			|| gen_die "compressing linker cpio"
+	cd "${TEMP}"
+	rm -rf "${TEMP}/initramfs-linker-temp" > /dev/null
+}
+
 append_splash(){
 	splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
 	if [ -x "${splash_geninitramfs}" ]
@@ -800,6 +825,11 @@ create_initramfs() {
 		append_data 'overlay'
 	fi
 
+	if ${COPY_BINARIES}
+	then
+		append_data 'linker'
+	fi
+
 	# Finalize cpio by removing duplicate files
 	print_info 1 "        >> Finalizing cpio..."
 	local TDIR="${TEMP}/initramfs-final"