Enhancement of some autotools actions

Warning, may contains some bugs !!!

Makefile.am

 
 #Making debian package
 deb: dist
-	
-	mkdir debian_package; tar -xvf ${PACKAGE}-${VERSION}.tar.gz -C ./debian_package; cd debian_package/${PACKAGE}-${VERSION}; echo "$(pkgpythondir)/plugins $(sysconfdir)/lodel2/plugins" > debian/lodel2.links; dpkg-buildpackage -rfakeroot;
+	mkdir debian_package;\
+	tar -xvf ${PACKAGE}-${VERSION}.tar.gz -C ./debian_package;\
+	cd debian_package/${PACKAGE}-${VERSION};\
+	dpkg-buildpackage -rfakeroot;
 
 # Test em update ( examples/em_test.pickle )
 em_test: em_test.py
 #other cleans
 distclean-local:
 	-rm -vR debian_package ${PACKAGE}-${VERSION}.tar.gz
+	-find . -name Makefile.in -delete
 
 gitclean: distclean cleandoc
 	-rm -vR autom4te.cache/ aclocal.m4 install-sh missing py-compile configure; find ./ -name Makefile.in |xargs rm -v

lodel/plugins/Makefile.am

 pluginsdir=$(pkgpythondir)/plugins
 lodel2confdir=$(sysconfdir)/lodel2
 
-install-data-local:
-	mkdir ${DESTDIR}$(pluginsdir); cp -R * ${DESTDIR}$(pluginsdir) && rm ${DESTDIR}$(pluginsdir)/Makefile*
-	mkdir -p $(lodel2confdir) && cd $(lodel2confdir) && $(LN_S) -sf $(pluginsdir) plugins
+install-data-hook:
+	mkdir ${DESTDIR}$(pluginsdir); cp -R * ${DESTDIR}$(pluginsdir) && rm ${DESTDIR}$(pluginsdir)/Makefile* ;\
+	cd ${DESTDIR}; \
+	mkdir -p ./$(lodel2confdir); \
+	ln -rs -t ${DESTDIR}$(lodel2confdir) .$(pluginsdir)
 
 uninstall-hook:
 	-rm -R ${DESTDIR}$(pluginsdir)