MusicXML testsuite: Fix compilation for out-of-source builds...

diff --git a/input/regression/musicxml/GNUmakefile b/input/regression/musicxml/GNUmakefile
index 101abd10c444149e7f05891ec006d54f459be951..440bf266dbc350cb485ce12497c69dff7c794c1b 100644 (file)
--- a/input/regression/musicxml/GNUmakefile
+++ b/input/regression/musicxml/GNUmakefile
@@ -16,7 +16,7 @@ include $(depth)/make/stepmake.make
 TITLE=Unofficial MusicXML test suite
 AUTHOR=Reinhold Kainhofer
 TEST_SUITE_VERSION=0.1
-LILYPOND_BOOK_FLAGS += --load-custom-package=book-musicxml-testsuite.py
+LILYPOND_BOOK_FLAGS += --load-custom-package=$(src-dir)/book-musicxml-testsuite.py
 # This breaks since *.tex and *.texi still contains ac/lily-xxxxxx references!
 #LILYPOND_BOOK_FLAGS += --use-source-file-names