Allow build without gtk-doc

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

autogen.sh

@@ -6,8 +6,8 @@ if type -p gtkdocize > /dev/null; then
     gtkdocize --docdir docs
     gtkdocargs=--enable-gtk-doc
 fi
-  
-aclocal && \
+
+aclocal -I m4 && \
 autoheader && \
 autoconf && \
 libtoolize --copy && \

docs/gudev/Makefile.am

@@ -94,8 +94,11 @@ GTKDOC_LIBS = \
 	$(GLIB_LIBS) \
 	$(top_builddir)/libgudev-1.0.la
 
+if ENABLE_GTK_DOC
+EXTRA_DIST=
+
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
-include $(top_srcdir)/docs/gtk-doc.make
+-include $(top_srcdir)/docs/gtk-doc.make
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
@@ -107,7 +110,6 @@ EXTRA_DIST += version.xml.in
 #DISTCLEANFILES +=
 
 # Comment this out if you want your docs-status tested during 'make check'
-if ENABLE_GTK_DOC
 TESTS_ENVIRONMENT = cd $(top_srcdir)
 TESTS = $(GTKDOC_CHECK)
 endif

docs/libudev/Makefile.am

@@ -88,8 +88,11 @@ override LDFLAGS=
 GTKDOC_CFLAGS=
 GTKDOC_LIBS=
 
+if ENABLE_GTK_DOC
+EXTRA_DIST=
+
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
-include $(top_srcdir)/docs/gtk-doc.make
+-include $(top_srcdir)/docs/gtk-doc.make
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
@@ -101,7 +104,6 @@ EXTRA_DIST += version.xml.in
 #DISTCLEANFILES +=
 
 # Comment this out if you want your docs-status tested during 'make check'
-if ENABLE_GTK_DOC
 TESTS_ENVIRONMENT = cd $(top_srcdir)
 TESTS = $(GTKDOC_CHECK)
 endif