summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'sys-libs/musl/files/ldconfig.in-r2')
-rw-r--r--sys-libs/musl/files/ldconfig.in-r2157
1 files changed, 157 insertions, 0 deletions
diff --git a/sys-libs/musl/files/ldconfig.in-r2 b/sys-libs/musl/files/ldconfig.in-r2
new file mode 100644
index 00000000000..72a2f58bc74
--- /dev/null
+++ b/sys-libs/musl/files/ldconfig.in-r2
@@ -0,0 +1,157 @@
+#!/bin/bash -e
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+ROOT="/"
+LDSO_CONF="/etc/ld.so.conf"
+
+VERBOSE=0
+
+UPDATE_LINKS=1
+
+get_options() {
+ while getopts "vnNXf:C:r:p" opt "$@"; do
+ case $opt in
+ v)
+ echo "ldconfig for musl in Gentoo"
+ VERBOSE=1
+ ;;
+ r)
+ ROOT=${OPTARG}
+ LDSO_CONF=${ROOT}${LDSO_CONF}
+ LDSO_CONF_DIR=$(dirname ${LDSO_CONF})
+ ;;
+ f)
+ LDSO_CONF=${OPTARG}
+ ;;
+ X)
+ UPDATE_LINKS=0
+ ;;
+ \?)
+ echo "Invalid option: -${opt}" >&2
+ exit 1
+ ;;
+ n|N|C|p)
+ echo "Unimplemented option: -${opt}" >&2
+ exit 1
+ ;;
+ esac
+ done
+
+ if [[ ${UPDATE_LINKS} == 1 ]]; then
+ echo "Updating links is not implemented."
+ fi
+}
+
+
+repeated() {
+ local l=${1}
+ local drs="${@:2}"
+ for m in ${drs}; do
+ [[ ${m} == ${l} ]] && return 0
+ done
+ return 1
+}
+
+expand() {
+ # We are assuming the ld.so.conf's 'include' is not recursive
+ local f line l
+ local glob="${LDSO_CONF_DIR}/${1}"
+ local drs="${@:2} "
+
+ for f in ${glob}; do
+ [[ ! -f ${f} ]] && continue
+ while read line; do
+ line=${line%%#*}
+ line=${line//:/ }
+ line=${line//,/ }
+ for l in ${line}; do
+ # We must add this whether or not the directory exists
+ repeated ${l} ${drs} && continue
+ drs+=" ${l} "
+ done
+ done < ${f}
+ done
+
+ echo ${drs}
+}
+
+read_ldso_conf() {
+ local drs=" "
+
+ while read line; do
+ # Sanitize the line - see ldconfig(8) for delimiters
+ # Note: bash read turns tabs into spaces and read already
+ # delimits on newlines with the default $IFS
+ line=${line%%#*} # Remove comments
+ line=${line//:/ } # Change colon delimiter to space
+ line=${line//,/ } # Change comma delimiter to space
+
+ next=0
+ for l in ${line}; do
+ if [[ ${next} == 1 ]]; then
+ next=0
+ drs=$(expand ${l} ${drs})
+ elif [[ ${l} == "include" ]]; then
+ next=1
+ else
+ # glibc's ldconfig silently skips non directories
+ if [[ -d ${l} ]]; then
+ repeated ${l} ${drs} && continue
+ drs+=" ${l} "
+ fi
+ fi
+ done
+ done < ${1}
+
+ echo ${drs}
+}
+
+sanitize() {
+ local drs=$@
+
+ repeated "/lib" ${drs} || drs="/lib ${drs}"
+ repeated "/usr/lib" ${drs} || drs="/usr/lib ${drs}"
+
+ echo ${drs}
+}
+
+changed() {
+ [[ -f ${ETC_LDSO_PATH} ]] || return 0
+ local current=$(<${ETC_LDSO_PATH})
+ current=${current//$'\n'/ }
+ [[ ${current} != ${drs} ]] || return 1
+}
+
+get_options "$@"
+
+if [[ ! -e ${LDSO_CONF} ]]; then
+ echo "${LDSO_CONF} not found" >&2
+ exit 1
+fi
+
+LDSO_CONF_DIR=$(dirname ${LDSO_CONF})
+
+drs=$(read_ldso_conf "${LDSO_CONF}")
+drs=$(sanitize ${drs})
+
+ARCH=@@ARCH@@
+LDSO_PATH="${ROOT}/lib/ld-musl-${ARCH}.so.1"
+if [[ ! -e ${LDSO_PATH} ]]; then
+ echo "${LDSO_PATH} not found" >&2
+ exit 1
+fi
+
+LDSO_ARCH=$(basename ${LDSO_PATH})
+LDSO_NAME=${LDSO_ARCH%.so.1}
+ETC_LDSO_PATH="${ROOT}/etc/${LDSO_NAME}.path"
+
+changed || exit 0
+X=$(mktemp -p /tmp ${LDSO_NAME}.XXXXXX)
+for d in ${drs}; do
+ echo ${d} >> ${X}
+done
+chmod 644 ${X}
+# busybox doesn't support mz -Z
+cp ${X} ${ETC_LDSO_PATH}
+rm ${X}