Respect LDFLAGS

http://bugs.gentoo.org/show_bug.cgi?id=335225

--- src/Makefile
+++ src/Makefile
@@ -103,10 +103,10 @@
 	$(CC) $(LDFLAGS) -o $@ ntdpal_main.o dpal.o
 
 oligotm: oligotm_main.c oligotm.h $(OLIGOTM_LIB)
-	$(CC) $(CFLAGS) -o $@ oligotm_main.c $(OLIGOTM_LIB) $(LIBOPTS) $(LDLIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ oligotm_main.c $(OLIGOTM_LIB) $(LIBOPTS) $(LDLIBS)
 
 long_seq_tm_test: long_seq_tm_test_main.c oligotm.o
-	$(CC) $(CFLAGS) -o $@ long_seq_tm_test_main.c oligotm.o $(LIBOPTS) $(LDLIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ long_seq_tm_test_main.c oligotm.o $(LIBOPTS) $(LDLIBS)
 
 boulder_input.o: boulder_input.c boulder_input.h primer3.h primer3_release.h dpal.h
 	$(CC) -c $(CFLAGS) $(P_DEFINES) -o $@ boulder_input.c
@@ -136,4 +136,4 @@
 primer_test: test
 
 test: $(PRIMER_EXE) ntdpal
-	cd ../test; make test
+	$(MAKE) -C ../test test