Fix cross-references for doxygen

Makefile.am

@@ -59,7 +59,7 @@ CLEANFILES = $(dist_man_MANS)
 built-sources clean-built-sources valcheck doxygen:
 	@failcom='exit 1'; for f in x $$MAKEFLAGS; do \
 	case $$f in *=* | --[!k]*);; *k*) failcom='fail=yes';; esac; done; \
-	for i in libsofia-sip-ua $(GLIB_SUBDIRS) ; do \
+	for i in utils libsofia-sip-ua $(GLIB_SUBDIRS) ; do \
 	  (cd $$i && $(MAKE) $(AM_MAKEFLAGS) $@) || eval $$failcom; \
 	done ; \
 	test -z "$$fail"

libsofia-sip-ua/Makefile.am

@@ -68,7 +68,7 @@ checklib: checklib-recursive $(lib_LTLIBRARIES)
 
 doxygen: built-sources
 	@echo Generating empty doxytags
-	mkdir -p docs/html ; \
+	@mkdir -p docs/html ; \
 	for d in $(DIST_SUBDIRS); do \
 	  test -r $$d/Doxyfile || continue ; \
 	  if ! test -r docs/$$d.doxytags ; then \
@@ -79,7 +79,7 @@ doxygen: built-sources
 	    mv -f docs/$$d.doxytags.tmp docs/$$d.doxytags ; \
           fi ; \
 	done
-	for d in $(DIST_SUBDIRS); do \
+	@for d in $(DIST_SUBDIRS); do \
 	  ( test -r $$d/Doxyfile && \
 	  cd $$d > /dev/null && \
 	  echo running ${DOXYGEN} first time in $$d && \
@@ -90,9 +90,9 @@ doxygen: built-sources
 	    docs/$$d.doxytags > docs/$$d.doxytags.tmp && \
 	  mv -f docs/$$d.doxytags.tmp docs/$$d.doxytags ; \
 	done
-	for d in $(DIST_SUBDIRS); do \
+	@for d in $(DIST_SUBDIRS); do \
 	  ( test -r $$d/Doxyfile && \
-	    cd $$d > /dev/null \
+	    cd $$d > /dev/null && \
 	    echo running ${DOXYGEN} second time in $$d && \
             ${DOXYGEN} 2>&1 ) | \
 	    egrep -v -i -e 'Warning: Unsupported (xml/)?html tag' ; \

utils/Makefile.am

@@ -18,9 +18,8 @@ LDADD =			../libsofia-sip-ua/libsofia-sip-ua.la $(GLIB_LIBS)
 
 # ----------------------------------------------------------------------
 # Dist and install
-EXTRA_DIST = utils.docs
 
-CLEANFILES = utils.doxytags
+EXTRA_DIST = utils.docs
 
 # ----------------------------------------------------------------------
 # Sofia specific rules
@@ -28,3 +27,10 @@ CLEANFILES = utils.doxytags
 include $(top_srcdir)/rules/sofia.am
 
 INCLUDES = 	${INTERNAL_INCLUDES}
+
+built-sources clean-built-sources valcheck:
+
+doxygen:
+	doxygen
+
+PHONY = built-sources clean-built-sources valcheck doxygen