Fix the Makefile for liblcthw and use the latest from the book.

Makefile

@@ -1,4 +1,4 @@
-CFLAGS=-g -O2 -Wall -Wextra -Isrc -pthread -rdynamic -DNDEBUG $(OPTFLAGS)
+CFLAGS=-g -O2 -Wall -Wextra -Isrc -rdynamic -DNDEBUG $(OPTFLAGS)
 LIBS=-ldl $(OPTLIBS)
 PREFIX?=/usr/local
 
@@ -8,8 +8,9 @@ OBJECTS=$(patsubst %.c,%.o,$(SOURCES))
 TEST_SRC=$(wildcard tests/*_tests.c)
 TESTS=$(patsubst %.c,%,$(TEST_SRC))
 
-TARGET=build/libYOUR_LIBRARY.a
+TARGET=build/liblcthw.a
 
+# The Target Build
 all: $(TARGET) tests
 
 dev: CFLAGS=-g -Wall -Isrc -Wall -Wextra $(OPTFLAGS)
@@ -24,27 +25,29 @@ build:
 	@mkdir -p build
 	@mkdir -p bin
 
-clean:
-	rm -rf build $(OBJECTS) $(TESTS)
-	rm -f tests/tests.log 
-	find . -name "*.gc*" -exec rm {} \;
-	rm -rf `find . -name "*.dSYM" -print`
-
+# The Unit Tests
 .PHONY: tests
+tests: CFLAGS += $(TARGET)
 tests: $(TESTS)
 	sh ./tests/runtests.sh
 
-$(TESTS): %: %.c $(TARGET)
-	$(CC) $(CFLAGS) -o $@ $< $(TARGET) $(LIBS)
+valgrind:
+	VALGRIND="valgrind --log-file=/tmp/valgrind-%p.log" $(MAKE)
 
-check:
-	@echo Files with potentially dangerous functions.
-	@egrep '[^_.>a-zA-Z0-9](str(n?cpy|n?cat|xfrm|n?dup|str|pbrk|tok|_)|stpn?cpy|a?sn?printf|byte_)' $(SOURCES)
+# The Cleaner
+clean:
+	rm -rf build $(OBJECTS) $(TESTS)
+	rm -f tests/tests.log 
+	find . -name "*.gc*" -exec rm {} \;
+	rm -rf `find . -name "*.dSYM" -print`
 
+# The Install
 install: all
 	install -d $(DESTDIR)/$(PREFIX)/lib/
 	install $(TARGET) $(DESTDIR)/$(PREFIX)/lib/
 
-valgrind:
-	VALGRIND="valgrind --log-file=/tmp/valgrind-%p.log" $(MAKE)
+# The Checker
+check:
+	@echo Files with potentially dangerous functions.
+	@egrep '[^_.>a-zA-Z0-9](str(n?cpy|n?cat|xfrm|n?dup|str|pbrk|tok|_)|stpn?cpy|a?sn?printf|byte_)' $(SOURCES) || true