From a025ff9237532eb6961335d51bc62b76a9b76a40 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Sat, 28 May 2016 22:49:41 +0200
Subject: [PATCH] build.mk: don't search target.mk files w/o src dir

Let the build system skip the search for target.mk files in repositories
that don't have a src/ directory.
---
 tool/builddir/build.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/builddir/build.mk b/tool/builddir/build.mk
index c4e15e38ab..5666a60977 100644
--- a/tool/builddir/build.mk
+++ b/tool/builddir/build.mk
@@ -165,7 +165,7 @@ $(dir $(LIB_DEP_FILE)):
 # Find all 'target.mk' files located within any of the specified subdirectories
 # ('DST_DIRS') and any repository. The 'sort' is used to remove duplicates.
 #
-TARGETS_TO_VISIT := $(shell find $(REPOSITORIES:=/src) -false \
+TARGETS_TO_VISIT := $(shell find $(wildcard $(REPOSITORIES:=/src)) -false \
                             $(foreach DST,$(DST_DIRS), \
                                       -or -path "*/src/$(DST)/**target.mk" \
                                           -printf " %P "))