fix doxygen Makefile.am

INSTALL

@@ -12,8 +12,8 @@ without warranty of any kind.
 Basic Installation
 ==================
 
-   Briefly, the shell commands `./configure; make; make install' should
-configure, build, and install this package.  The following
+   Briefly, the shell command `./configure && make && make install'
+should configure, build, and install this package.  The following
 more-detailed instructions are generic; see the `README' file for
 instructions specific to this package.  Some packages provide this
 `INSTALL' file but do not implement all of the features documented

docs/Makefile.am

@@ -24,7 +24,22 @@ sdocs_DATA = $(directory)/html/search/*.html \
 	$(directory)/html/search/*.js
 
 
+$(directory)/html/*.png:
+$(directory)/html/*.css:
+$(directory)/html/*.html:
+$(directory)/html/*.jpg:
+$(directory)/html/*.m*:
+$(directory)/html/*.js:
+
+$(directory)/html/search/*.png:
+$(directory)/html/search/*.css:
+$(directory)/html/search/*.html:
+$(directory)/html/search/*.js:
+
+
+
+
 all-local: doxyfile.stamp
 clean-local:
 	rm -rf $(top_srcdir)/docs/html
-endif
\ No newline at end of file
+endif