oh-shlibdeps: Use readelf instead of ldd

1 files changed, 49 insertions, 10 deletions

diff --git a/src/oh-shlibdeps.sh b/src/oh-shlibdeps.sh
index cf5473e..8077166 100644
--- a/src/oh-shlibdeps.sh
+++ b/src/oh-shlibdeps.sh
@@ -21,24 +21,63 @@
 
 . '@pkgdatadir@/load.sm'
 
+LIBRARY_PATH='@library_path@'
+READELF_NEEDED_SED='s/^ 0x[0-9a-f]* (NEEDED) *Shared library: \[\(.*\)\]$/\1/p'
+
+find_lib()
+{
+	local lib="${1}"
+	shift 1
+	local pkg=
+	local dir=
+
+	# Check just-built packages.
+	for pkg in *.data/; do
+		IFS=':'
+		for dir in ${LIBRARY_PATH}; do
+			unset IFS
+			if [ -r "${pkg}/${dir}/${lib}" ]; then
+				printf '%s,\n' "${pkg%.data/}"
+				return 0
+			fi
+		done
+		unset IFS
+	done
+
+	# Check installed packages.
+	IFS=':'
+	for dir in ${LIBRARY_PATH}; do
+		unset IFS
+		if [ -r "${dir}/${lib}" ]; then
+			lib="${dir}/${lib}"
+			pkg="$('@OPKG@' search "${lib}" | sed 's/ - .*$//')"
+			if [ -n "${pkg}" ]; then
+				printf '%s,\n' "${pkg}"
+				return 0
+			else
+				oh_warn "$(oh_get_msg 'shlib_no_pkg')" "${lib}"
+				return 0
+			fi
+		fi
+	done
+	unset IFS
+
+	oh_warn "$(oh_get_msg 'shlib_no_lib')" "${lib}"
+	return 0
+}
+
 find_needed()
 {
 	local elf="${1}"
 	shift 1
 
 	while IFS='' read -r lib; do
-		pkg="$('@OPKG@' search "${lib}" | sed 's/ - .*$//')"
-		if [ -z "${pkg}" ]; then
-			oh_warn "$(oh_msg 'shlib_no_pkg')" "${lib}"
-		else
-			printf '%s,\n' "${pkg}"
-		fi
+		find_lib "${lib}"
 	done <<-EOF
-		$('@LDD@' "${elf}" | sed -n 's/^\t.* => \(.*\) (.*)$/\1/p' \
-			2>/dev/null)
+		$('@READELF@' -d "${elf}" | sed -n "${READELF_NEEDED_SED}")
 		EOF
-	# The above ldd's stderr is redirected to /dev/null to hide glibc ldd's
-	# "you do not have execution permission" warning.
+
+	return 0
 }
 
 find_elves()