explicited defines for valgrind testing and exhaustive testing modes
diff --git a/build/exe.mk b/build/exe.mk
index bc16463..8ce2b9d 100644
--- a/build/exe.mk
+++ b/build/exe.mk
@@ -46,7 +46,7 @@
RELEASE_PROGRAM = $(RELEASE_BINPATH)/$(PROGRAM_NAME)
debug : CFLAGS = -g -O0 -DDEBUG $(DEBUG_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-valgrind: CFLAGS = -g -O0 -DDEBUG $(DEBUG_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+valgrind: CFLAGS = -g -O0 -DDEBUG $(DEBUG_CFLAGS) -DFLAC__VALGRIND_TESTING -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(RELEASE_CFLAGS) -Wall -W -Winline -DFLaC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
LFLAGS = -L$(LIBPATH)