Get rng from build directory

diff --git a/docbook/relaxng/Makefile b/docbook/relaxng/Makefile
index 66aa839abebb24577043bbf5006cd8d334539221..c054acdeb553f90bbb4e624f2dff01028206de61 100644 (file)
--- a/docbook/relaxng/Makefile
+++ b/docbook/relaxng/Makefile
@@ -26,7 +26,7 @@ sdocbook.rng: $(RNCFILES)
 
 slides-ng.rng: $(RNCFILES)
        $(MAKE) -C build $@
-       perl tools/trimgrammar.pl -o ,$@ $@
+       perl tools/trimgrammar.pl -o ,$@ build/$@
        saxon ,$@ tools/trimgrammar.xsl $@ use.extensions=1
 
 website-ng.rng: $(RNCFILES)