Clean up some bitrot in docstrap.

The configuration file had been renamed.

Also, mention docstrap in INSTALL and make the documentaion configure check
for the required tools (doxygen, dot (graphvis), mscgen, and transfig).

.gitignore

@@ -72,7 +72,9 @@ core
 
 # /doc/
 /doc/doxygen
+/doc/install-sh
 /doc/man
+/doc/missing
 /doc/progs/vm-mem.eps
 /doc/progs/vm-mem.png
 /doc/progs/vm-mem.svg

INSTALL

@@ -93,6 +93,15 @@ in an already configured source tree:
 	make doc
 \endverbatim
 
+If the tree has not been configured and doing so is not desirable or
+possible, then the documentation may be configured separately:
+\verbatim
+	cd doc
+	./docstrap
+	./configure
+	make doc
+\endverbatim
+
 Then either point your webbrowser to <code>doxygen/html/index.html</code>, or
 copy/move <code>doxygen/html</code> to a webserver and point your browser
 to that. The documentation is currently grossly inadequate, but hopefully

doc/configure.ac

@@ -7,20 +7,32 @@ AC_CONFIG_SRCDIR([template.c])
 AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([foreign])
 
-# Checks for programs.
 AC_PROG_INSTALL
 # PKG_PROG_PKG_CONFIG
 
-# Checks for libraries.
+AC_CHECK_PROG(DOXYGEN, doxygen, doxygen, false)
+AC_CHECK_PROG(DOT, dot, dot, false)
+AC_CHECK_PROG(MSCGEN, mscgen, mscgen, false)
+AC_CHECK_PROG(TRANSFIG, transfig, transfig, false)
 
-# Checks for header files.
+if test "x$DOXYGEN" = "xfalse" \
+		-o "x$DOT" = "xfalse" \
+		-o "x$MSCGEN" = "xfalse" \
+		-o "x$TRANSFIG" = "xfalse"; then
+	AC_MSG_ERROR([required tools missing, unable to build documentation])
+fi
 
-# Checks for typedefs, structures, and compiler characteristics.
-
-# Checks for library functions.
+AC_ARG_ENABLE(static-doc,
+	[  --enable-static-doc     Enable generation of doxygen docs for static]
+	[                          functions.])
+STATIC_DOC=NO
+if test "x$enable_static_doc" = xyes; then
+	STATIC_DOC=YES
+fi
+AC_SUBST(STATIC_DOC)
 
 TOPSRC=`readlink -f ${srcdir}/..`
 AC_SUBST(TOPSRC)
 
-AC_CONFIG_FILES([Makefile man/Makefile quakeforge.dox])
+AC_CONFIG_FILES([Makefile man/Makefile quakeforge.dox.conf])
 AC_OUTPUT