2 files changed, 7 insertions, 0 deletions
diff --git a/run/tests b/run/tests
index 9b94ada80..e9c025893 100755
--- a/run/tests
+++ b/run/tests
@@ -3,6 +3,7 @@
 # e.g. --run_tests=foo
 
 export LD_LIBRARY_PATH=build/src/lib:$LD_LIBRARY_PATH
+export DCPOMATIC_LINUX_SHARE_PREFIX=`pwd`
 if [ "$1" == "--debug" ]; then
     shift;
     gdb --args build/test/unit-tests --catch_system_errors=no $*
diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 9894d885f..29591c69f 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -155,6 +155,12 @@ boost::filesystem::path
 shared_path ()
 {
 #ifdef DCPOMATIC_LINUX
+#ifdef DCPOMATIC_DEBUG
+	char const * p = getenv ("DCPOMATIC_LINUX_SHARE_PREFIX");
+	if (p) {
+		return p;
+	}
+#endif
 	return boost::filesystem::canonical (LINUX_SHARE_PREFIX);
 #endif
 #ifdef DCPOMATIC_WINDOWS