polish make maintainer-clean, make mrproper

ChangeLog

@@ -1,3 +1,7 @@
+2012-02-08 Francesco Lannutti (Robert Larice)
+ * Makefile.am :
+   polish make maintainer-clean, make mrproper
+
 2012-02-07  Robert Larice
  * src/include/ngspice/complex.h :
    #4/4 finish the switch from ngcomplex* args to ngcomplex

Makefile.am

@@ -11,11 +11,10 @@ EXTRA_DIST = FAQ autogen.sh Stuarts_Poly_Notes  \
 		xgraph/aclocal.m4 \
 		compile_min.sh
 
-MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess \
-			config.h.in config.sub configure install-sh \
+MAINTAINERCLEANFILES = Makefile.in aclocal.m4 compile config.guess \
+			src/include/ngspice/config.h.in config.sub configure install-sh \
 			missing mkinstalldirs stamp-h.in ltconfig \
-			ltmain.sh autom4te.cache \
-			depcomp ylwrap
+			ltmain.sh depcomp ylwrap
 
 ACLOCAL_AMFLAGS = -I m4
 
@@ -36,7 +35,9 @@ dist-hook:
 	rm -rf `find $(distdir)/unsupported -name CVS`
 
 mrproper: maintainer-clean
-	rm -f `find . -type f -name "*~" -print`
-	rm -f `find . -type f -name "*.orig" -print`
-	rm -f `find . -type f -name "*.rej" -print`
+	rm -f `find $(top_srcdir) -type f -name "*~" -print`
+	rm -f `find $(top_srcdir) -type f -name "*.orig" -print`
+	rm -f `find $(top_srcdir) -type f -name "*.rej" -print`
 
+maintainer-clean-local:
+	rm -rf $(top_srcdir)/m4/*.m4