[gegl] tests: use builds ops for buffer test

[Ãyvind KolÃs <ok src gnome org>]

commit e0d6e5bcef83c70e58f126c68a2968c9a74e6d4c
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Mon Apr 2 00:33:39 2012 +0100

    tests: use builds ops for buffer test

 tests/buffer/Makefile.am |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/tests/buffer/Makefile.am b/tests/buffer/Makefile.am
index 6964d9a..d62ce71 100644
--- a/tests/buffer/Makefile.am
+++ b/tests/buffer/Makefile.am
@@ -55,9 +55,11 @@ buffer-tests.inc: $(buffer_test_SOURCES) Makefile.am $(top_srcdir)/tests/buffer/
 	done;
 	@echo '};' >> $@
 
+builddir_gegl_env = GEGL_SWAP=RAM GEGL_PATH=$(top_builddir)/operations
+
 buffer-tests-report: buffer-test$(EXEEXT) $(top_srcdir)/tests/buffer/reference/*.buf
 	@mkdir -p output > /dev/null 2>&1
-	./buffer-test$(EXEEXT)
+	$(builddir_gegl_env) ./buffer-test$(EXEEXT)
 	for f in $(top_srcdir)/tests/buffer/reference/*.buf; do LC_ALL=C diff --report-identical-files --context=50 $$f output/`basename $$f`; done > buffer-tests-report; true
 
 clean-local: