Patch for building docs in a different directory

I normally build in a directory other than the source directory.  When
I tried to build the documentation that way, it failed.  This patch,
against today's CVS sources, fixes the problem.

Ian

Index: src/Makefile
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/doc/src/Makefile,v
retrieving revision 1.16
diff -u -r1.16 Makefile
--- src/Makefile    2001/02/17 16:47:57    1.16
+++ src/Makefile    2001/03/24 22:05:27
@@ -43,17 +43,17 @@
 programmer.tar:
     $(MAKE) -C sgml clean
     $(MAKE) -C sgml programmer.html
-    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C ../graphics catalogs.gif connections.gif
+    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C `cd $(srcdir); /bin/pwd`/graphics catalogs.gif connections.gif

 tutorial.tar:
     $(MAKE) -C sgml clean
     $(MAKE) -C sgml tutorial.html
-    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C ../graphics clientserver.gif
+    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C `cd $(srcdir); /bin/pwd`/graphics clientserver.gif

 postgres.tar:
     $(MAKE) -C sgml clean
     $(MAKE) -C sgml postgres.html
-    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C ../graphics catalogs.gif clientserver.gif connections.gif
+    cd sgml && $(TAR) -cf ../$@ $(TAREXCLUDE) *.html -C `cd $(srcdir); /bin/pwd`/graphics catalogs.gif
clientserver.gifconnections.gif 

 man.tar:
     $(MAKE) -C sgml man
Index: src/sgml/Makefile
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/doc/src/sgml/Makefile,v
retrieving revision 1.34
diff -u -r1.34 Makefile
--- src/sgml/Makefile    2001/03/10 16:05:35    1.34
+++ src/sgml/Makefile    2001/03/24 22:05:27
@@ -26,7 +26,7 @@
 ifndef JADE
 JADE = jade
 endif
-SGMLINCLUDE = -D ref -D ../graphics
+SGMLINCLUDE = -D $(srcdir) -D $(srcdir)/ref -D $(srcdir)/../graphics

 ifndef NSGMLS
 NSGMLS = nsgmls