Fixes to build instruction

libarchive/Makefile

@@ -1,6 +1,6 @@
 CFLAGS     = -g 
-INCLUDE    = -I/usr/include -I.
-LIBS       = -larchive
+INCLUDE    = -I/usr/local/include -I/usr/include -I.
+LIBS       = -L /usr/local/lib -larchive
 
 #DEFINES = -DPyUnicode_AS_STRING=PyUnicode_AS_DATA
 PYVER ?= 3.9
@@ -17,6 +17,7 @@ _libarchive_wrap.o: _libarchive_wrap.c
 #	${CXX} -c ${CFLAGS} -fPIC  $$(python${PYVER}-config --cflags) -DPyUnicode_AS_STRING=PyUnicode_AS_DATA _libarchive_wrap.cxx
 
 __libarchive.so: _libarchive_wrap.o
+	echo INCLUDE=$INCLUDE LIBS=$LIBS
 	${CC} _libarchive_wrap.o -shared $$(python${PYVER}-config --ldflags) -Wl,-soname=__libarchive.so -o __libarchive.so ${LIBS}
 
 clean:

setup.py

@@ -90,7 +90,7 @@ else:
 
 __libarchive = Extension(
     name='libarchive.__libarchive',
-    sources=['libarchive/_libarchive_wrap.c'],
+    sources=['libarchive/_libarchive.i', 'libarchive/_libarchive_wrap.c'],
     libraries=['archive'],
     extra_compile_args=extra_compile_args,
     extra_link_args=extra_link_args,