[Makefile.am] Delete intermediates

Clean up after calling 'gcc -save-temps'.

boilerplate/Makefile.am

@@ -102,4 +102,8 @@ INCLUDES =					\
 CLEANFILES =					\
 	$(EXTRA_LTLIBRARIES)
 
+# Delete intermediate files as well
+clean-local:
+	-${FIND} . -name '*.[is]'   -print | ${XARGS} ${RM}
+
 check test: libcairoboilerplate.la

src/Makefile.am

@@ -364,6 +364,10 @@ TESTS = check-def.sh check-plt.sh check-headers.sh check-cairoint.sh check-doc-s
 EXTRA_DIST += $(TESTS) check-has-hidden-symbols.c
 DISTCLEANFILES += check-has-hidden-symbols.i
 
+# Delete intermediate files as well
+clean-local:
+	-${FIND} . -name '*.[is]'   -print | ${XARGS} ${RM}
+
 # The pre-processed result is used by check-{def,plt}.sh to determine whether
 # cairo has been compiled with symbol hiding.
 .c.i: $(cairoinclude_HEADERS) $(nodist_cairoinclude_HEADERS) cairoint.h $(top_builddir)/config.h

test/Makefile.am

@@ -921,6 +921,7 @@ clean-local:
 	-${FIND} . -name '*-out.png'  -print | ${XARGS} ${RM}
 	-${FIND} . -name '*-diff.png' -print | ${XARGS} ${RM}
 	-${FIND} . -name '*.log'      -print | ${XARGS} ${RM}
+	-${FIND} . -name '*.[is]'     -print | ${XARGS} ${RM}
 
 # The following definitions both should work.
 #FAILED_TESTS = `grep -l '\<FAIL\>' $(TESTS:$(EXEEXT)=.log) 2>/dev/null | sed -e 's/[.]log$$//' | xargs echo`

test/pdiff/Makefile.am

@@ -15,3 +15,7 @@ perceptualdiff_SOURCES =	\
 
 INCLUDES = -I$(top_srcdir)/src -I$(top_builddir)/src $(CAIRO_CFLAGS)
 LDADD = libpdiff.la $(top_builddir)/src/libcairo.la
+#
+# Delete intermediate files as well
+clean-local:
+	-${FIND} . -name '*.[is]'   -print | ${XARGS} ${RM}