Allow building documentation outside source tree.

from Ian Lance Taylor

doc/src/Makefile

 # Postgres documentation makefile
-# $Header: /cvsroot/pgsql/doc/src/Makefile,v 1.16 2001/02/17 16:47:57 tgl Exp $
+# $Header: /cvsroot/pgsql/doc/src/Makefile,v 1.17 2001/03/25 08:32:24 petere Exp $
 
 subdir = doc/src
 top_builddir = ../..
@@ -43,17 +43,17 @@ admin.tar developer.tar reference.tar user.tar:
 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) && 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) && 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) && pwd`/graphics catalogs.gif clientserver.gif connections.gif
 
 man.tar:
 	$(MAKE) -C sgml man

doc/src/sgml/Makefile

@@ -8,7 +8,7 @@
 #
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/doc/src/sgml/Makefile,v 1.34 2001/03/10 16:05:35 petere Exp $
+#    $Header: /cvsroot/pgsql/doc/src/sgml/Makefile,v 1.35 2001/03/25 08:32:24 petere Exp $
 #
 #----------------------------------------------------------------------------
 
@@ -26,7 +26,7 @@ endif
 ifndef JADE
 JADE = jade
 endif
-SGMLINCLUDE = -D ref -D ../graphics
+SGMLINCLUDE = -D $(srcdir) -D $(srcdir)/ref -D $(srcdir)/../graphics
 
 ifndef NSGMLS
 NSGMLS = nsgmls