Based on rpm/libzxcvbn-2.4-makefile-install.patch in the upstream repo.
--- a/makefile
+++ b/makefile
@@ -13,6 +13,8 @@ CPPFLAGS += -I.
 TARGET_LIB = libzxcvbn.so.0.0.0
 SONAME = libzxcvbn.so.0
 
+LIBDIR := $(or $(LIBDIR),$(/usr/lib))
+
 WORDS = words-eng_wiki.txt words-female.txt words-male.txt words-passwd.txt words-surname.txt words-tv_film.txt
 
 all: test-file test-inline test-c++inline test-c++file test-shlib test-statlib test-internals
@@ -101,6 +103,17 @@ test: test-internals test-file test-inline test-c++inline test-c++file test-shli
 	./test-c++inline -t testcases.txt
 	@echo Finished
 
+package: $(TARGET_LIB) libzxcvbn.a dict-crc.h dict-src.h
+
+install: package
+	mkdir -p $(DESTDIR)/usr/include/zxcvbn $(DESTDIR)/usr/share/zxcvbn $(DESTDIR)/usr/bin $(DESTDIR)$(LIBDIR)
+	install -m 0644 *.h $(DESTDIR)/usr/include/zxcvbn
+	install -m 0644 $(TARGET_LIB) libzxcvbn.a $(DESTDIR)$(LIBDIR)
+	ln -s $(TARGET_LIB) $(DESTDIR)$(LIBDIR)/$(SONAME)
+	ln -s $(SONAME) $(basename $(DESTDIR)$(LIBDIR)/$(SONAME))
+	install -m 0755 dictgen $(DESTDIR)/usr/bin/zxcvbn-dictgen
+	install -m 0644 zxcvbn.dict $(DESTDIR)/usr/share/zxcvbn
+
 clean:
 	rm -f test-file zxcvbn-file.o test-c++file zxcvbn-c++file.o 
 	rm -f test-inline test-internals zxcvbn-inline.o zxcvbn-inline-pic.o test-c++inline zxcvbn-c++inline.o