Add "documentation" rule to rules.mk. This generates HTML documentation from h/idl files using doxygen. b=112214 r=seawood@netscape.com sr=rpotts@netscape.com a=dbaron@fas.harvard.edu

config/autoconf.mk.in

@@ -226,6 +226,7 @@ UNZIP_PROG	= @UNZIP@
 ZIP_PROG	= @ZIP@
 XARGS		= @XARGS@
 STRIP		= @STRIP@
+DOXYGEN		= @DOXYGEN@
 
 ifdef MOZ_NATIVE_JPEG
 JPEG_CFLAGS	= @JPEG_CFLAGS@

config/rules.mk

@@ -1710,3 +1710,7 @@ ifneq (,$(filter $(PROGRAM) $(SIMPLE_PROGRAMS) $(LIBRARY) $(SHARED_LIBRARY),$(TA
 	zip $(DEPTH)/makefiles $(subst $(topsrcdir),$(MOZ_SRC)/mozilla,$(srcdir)/Makefile.in)
 endif
 	+$(LOOP_OVER_MOZ_DIRS)
+
+documentation:
+	@cd $(DEPTH)
+	$(DOXYGEN) $(topsrcdir)/config/doxygen.cfg

configure.in

@@ -381,6 +381,7 @@ AC_PATH_PROG(XARGS, xargs)
 if test -z "$XARGS" || test "$XARGS" = ":"; then
     AC_MSG_ERROR([xargs not found in \$PATH .])
 fi
+AC_PATH_PROG(DOXYGEN, doxygen, :)
 
 dnl Be sure the make we use is GNU make.
 AC_PATH_PROGS(MAKE, gmake make, :)