Index: src/Makefile
--- src/Makefile.orig	2017-04-28 17:46:54.000000000 +0200
+++ src/Makefile	2017-04-29 12:37:38.264938000 +0200
@@ -35,8 +35,8 @@
 endif
 
 # Command-line FLIF encoding/decoding tool - LGPLv3
-flif: $(FILES_H) $(FILES_CPP) flif.cpp
-	$(CXX) -std=gnu++11 $(CXXFLAGS) $(OPTIMIZATIONS) -g0 -Wall $(FILES_CPP) flif.cpp $(LDFLAGS) -o flif
+flif: $(FILES_CPP:%.cpp=%.o) flif.o
+	$(CXX) -std=gnu++11 $(CXXFLAGS) $(OPTIMIZATIONS) $(FILES_CPP:%.cpp=%.o) flif.o $(LDFLAGS) -o flif
 
 # Command-line FLIF decoding tool - Apache2 (not built by default)
 dflif: $(FILES_H) $(FILES_CPP) flif.cpp
@@ -52,6 +52,11 @@
 libflif$(LIBEXT): $(FILES_H) $(FILES_CPP) library/*.h library/*.hpp library/*.cpp
 	$(CXX) -std=gnu++11 $(CXXFLAGS) $(LIB_OPTIMIZATIONS) -g0 -Wall -shared -fPIC $(FILES_CPP) library/flif-interface.cpp $(LDFLAGS) -Wl,$(SONAME),libflif$(LIBEXTV) -o libflif$(LIBEXTV)
 	ln -sf libflif$(LIBEXTV) libflif$(LIBEXT)
+.cpp.o:
+	$(CXX) -std=gnu++11 $(CXXFLAGS) -c -o $@ $<
+libflif.a: $(FILES_CPP:%.cpp=%.o) library/flif-interface.o
+	ar rc libflif.a $(FILES_CPP:%.cpp=%.o) library/flif-interface.o
+	ranlib libflif.a
 
 libflif.dbg$(LIBEXT): $(FILES_H) $(FILES_CPP) library/*.h library/*.hpp library/*.cpp
 	$(CXX) -std=gnu++11 $(CXXFLAGS) -DDEBUG -O1 -ggdb3 -Wall -shared -fPIC $(FILES_CPP) library/flif-interface.cpp $(LDFLAGS) -Wl,$(SONAME),libflif$(LIBEXTV) -o libflif.dbg$(LIBEXTV)