Initial checkin.

1 files changed, 44 insertions, 0 deletions

diff --git a/find-libs b/find-libs
new file mode 100755
index 0000000..575490d
--- /dev/null
+++ b/find-libs
@@ -0,0 +1,44 @@
+#!/bin/bash
+libs="$(mktemp)"
+
+dbg() {
+	[ -z "$DEBUG" ] || echo "$*" >&2
+}
+
+# prints all libraries directly depending on a binary / library
+find_libs() {
+	local file="$1"
+	# regular libs
+	ldd "$file" | awk -F'> | \\(' '{if($2 ~ "^/")print $2}' | sort -u
+}
+
+# returns 1 if a library was known before, 0 otherwise
+add_lib() {
+	local lib="$1"
+	if ! grep -q -x -F "$lib" "$libs"; then
+		dbg "Adding $lib"
+		echo "$lib" >> "$libs"
+		return 0
+	fi
+	return 1
+}
+recurse_find_libs() {
+	local file="$1"
+	dbg "Checking $file"
+	while read lib; do
+		if add_lib "$lib"; then
+			recurse_find_libs "$lib"
+		fi
+	done < <(find_libs "$file")
+	dbg "Done with $file"
+}
+
+for bin; do
+	# ld-linux.so
+	while read lib; do
+		add_lib "$lib" || true
+	done < <(ldd "$bin" | awk '/^[ \t]*\//{print $1}')
+	recurse_find_libs "$bin"
+done
+
+wc -l "$libs"