build: fix make distcheck

Fix several srcdir != builddir issues, and a missing mkdir -p.

src/Makefile-js.am

@@ -26,12 +26,13 @@ dist_jsutil_DATA = \
     js/util/totemMimeTypes.js
 
 jsutil_built_sources = \
-    $(srcdir)/js/util/path.js
+    js/util/path.js
 
 BUILT_SOURCES += $(jsutil_built_sources)
 
 js/util/path.js: Makefile js/util/path.js.in
-	$(AM_V_GEN) $(do_subst) $(srcdir)/js/util/path.js.in > $@
+	$(AM_V_GEN) mkdir -p js/util && \
+	$(do_subst) $(srcdir)/js/util/path.js.in > $@
 
 nodist_jsutil_DATA = \
     $(jsutil_built_sources)

src/Makefile-sushi.am

@@ -40,7 +40,7 @@ sushi-enum-types.h: stamp-sushi-enum-types.h Makefile
 stamp-sushi-enum-types.h: $(sushi_source_h) libsushi/sushi-enum-types.h.in
 	$(AM_V_GEN) ( cd $(srcdir) && \
 	$(GLIB_MKENUMS) \
-	  --template $(srcdir)/libsushi/sushi-enum-types.h.in \
+	  --template libsushi/sushi-enum-types.h.in \
 	  $(sushi_source_h) ) >> xgen-beth && \
 	(cmp -s xgen-beth sushi-enum-types.h || cp xgen-beth sushi-enum-types.h) && \
 	rm -f xgen-beth && \
@@ -49,7 +49,7 @@ stamp-sushi-enum-types.h: $(sushi_source_h) libsushi/sushi-enum-types.h.in
 sushi-enum-types.c: stamp-sushi-enum-types.h libsushi/sushi-enum-types.c.in
 	$(AM_V_GEN) ( cd $(srcdir) && \
 	$(GLIB_MKENUMS) \
-	  --template $(srcdir)/libsushi/sushi-enum-types.c.in \
+	  --template libsushi/sushi-enum-types.c.in \
 	  $(sushi_source_h) ) >> xgen-betc && \
 	cp xgen-betc sushi-enum-types.c && \
 	rm -f xgen-betc