- Remove GNU make crap that never applied to us anyway.

Index: tests/Makefile
--- tests/Makefile.orig
+++ tests/Makefile
@@ -23,39 +23,8 @@ CFLAGS += -Wall
 #CFLAGS += -std=c89
 CFLAGS += ${EXTRA_CFLAGS}
 
-ifeq ($(HASH_DEBUG),1)
-CFLAGS += -DHASH_DEBUG=1
-endif
-
-ifeq ($(HASH_PEDANTIC),1)
-CFLAGS += -pedantic
-endif
-
 TEST_TARGET=run_tests
 TESTS=./do_tests
-
-# detect Cygwin
-ifneq ($(strip $(shell $(CC) -v 2>&1 |grep "cygwin")),)
-  TESTS=./do_tests.cygwin
-endif
-
-# detect MinGW
-ifneq ($(strip $(shell $(CC) -v 2>&1 |grep "mingw")),)
-  TEST_TARGET=run_tests_mingw
-  TESTS=./do_tests.mingw
-endif
-
-#detect Linux (platform specific utilities)
-ifneq ($(strip $(shell $(CC) -v 2>&1 |grep "linux")),)
-  PLAT_UTILS = hashscan sleep_test
-endif
-
-#detect FreeBSD (platform specific utilities)
-ifeq ($(strip $(shell uname -s)), FreeBSD)
-  ifeq ($(shell if [ `sysctl -n kern.osreldate` -ge 0801000 ]; then echo "ok"; fi), ok)
-    PLAT_UTILS = hashscan sleep_test
-  endif
-endif
 
 all: $(PROGS) $(UTILS) $(PLAT_UTILS) keystat $(TEST_TARGET)