--- makefile.orig	2018-02-26 14:57:36.000000000 -0700

+++ makefile	2019-08-12 11:47:02.304905154 -0600

@@ -1,14 +1,14 @@

 # sources contains a list of the source files (i.e., the .cpp files)

 sources := $(patsubst %.cpp,%.cpp,$(wildcard *.cpp))

 # there is one .o file for each .cpp file

-objects := $(patsubst %.cpp,%.o,$(wildcard *.cpp))

+objects := $(patsubst %.cpp,%.o,$(filter-out main.cpp, $(wildcard *.cpp)))

 # this is used to automatically generate the dependencies

 dependencies := $(patsubst %.cpp,%.d,$(wildcard *.cpp))

 globals = globals.h

 pflags = -c $(includedirs) -pg -O

-oflags = -c $(includedirs) -O -Wall

+oflags = -c $(includedirs) -fPIC $(CXXFLAGS)

 gflags = -c $(includedirs) -g

 cflags = $(gflags) # the default setting

@@ -22,18 +22,28 @@ ifdef profile

 	cflags = $(pflags)

 endif

-cc = g++

+EXENAME = coxeter

+LIBNAME = coxeter3

+LIBPREFIX = lib

+LIBDIR = $(libdir)

+LINKFLAGS = $(LDFLAGS) -shared -Wl,-soname,libcoxeter3.so.0

+LIBRARY = $(LIBPREFIX)$(LIBNAME).so.0.0.0

-all: coxeter #clean

+all: $(LIBRRAY) $(EXENAME)

-coxeter: $(objects)

-	$(cc) -o coxeter $(objects)

+$(LIBRARY): $(objects)

+	$(CXX) $(CXXFLAGS) $(LINKFLAGS) -o $@ $(objects)

+	ln -s $(LIBPREFIX)$(LIBNAME).so.0.0.0 $(LIBPREFIX)$(LIBNAME).so.0

+	ln -s $(LIBPREFIX)$(LIBNAME).so.0 $(LIBPREFIX)$(LIBNAME).so

+

+$(EXENAME): $(LIBRARY) main.o

+	$(CXX) $(CXXFLAGS) $(LDFLAGS) main.o -o $@ -L. -l$(LIBNAME)

 clean:

 	rm -f $(objects)

 %.o:%.cpp

-	$(cc) $(cflags) $*.cpp

+	$(CXX) $(cflags) $*.cpp

 # dependencies --- these were generated automatically by make depend on my

 # system; they are explicitly copied for portability. Only local dependencies

@@ -43,7 +53,7 @@ clean:

 # contents of tmp in lieu of the dependencies listed here.

 %.d:%.cpp

-	@$(cc) -MM $*.cpp

+	@$(CXX) -MM $*.cpp

 depend: $(dependencies)

 affine.o: affine.cpp affine.h globals.h coxgroup.h coxtypes.h io.h list.h \