--- plotutils-2.6.orig/configure.ac	2009-07-29 20:14:09.000000000 -0700
+++ plotutils-2.6/configure.ac	2010-10-18 01:46:57.328444564 -0700
@@ -65,6 +65,8 @@
 # SCO OpenServer 5 (i.e. *-*-sco3.2v5*), "-belf" is added.
 AC_PROG_LIBTOOL
 
+AC_PROG_CXX
+
 # Determine extension (e.g. ".exe") on executables, if any.
 AC_EXEEXT
 
--- plotutils-2.6.orig/doc/Makefile.am	2009-07-30 08:49:46.000000000 -0700
+++ plotutils-2.6/doc/Makefile.am	2010-10-18 01:57:50.525852285 -0700
@@ -3,11 +3,3 @@
 
 # files with nonstandard names in this directory
 EXTRA_DIST = colors.txt h-fonts.txt h-glyphs.txt hershey.bib kana.txt kanji.txt
-
-# remove documentation files installed by previous versions of the package,
-# with obsolete names
-
-OBSOLETEDOC = hershey-demo.c hershey-fonts hershey-number hershey.doc h-fonts.doc h-glyphs.doc kana.doc kanji.doc demo-page h-demo.c
-
-install-data-hook:
-	-for f in $(OBSOLETEDOC) ; do rm -f $(datadir)/libplot/$$f; done
--- plotutils-2.6.orig/graph/Makefile.am	2005-11-25 20:40:13.000000000 -0800
+++ plotutils-2.6/graph/Makefile.am	2010-10-18 01:23:07.194720342 -0700
@@ -10,15 +10,5 @@
 
 CLEANFILES = fontlist.c
 
-# remove executables installed by previous versions of the package, and
-# remove obsolete library versions too
-
-OBSOLETEBINS = graph-tek graph-hpgl graph-fig graph-ps graph-X
-OBSOLETELIBS = libplottek.a libplothpgl.a libplotfig.a libplotps.a libplotX.a
-
-install-exec-hook:
-	-for f in $(OBSOLETEBINS) ; do rm -f $(bindir)/$$f; done
-	-for f in $(OBSOLETELIBS) ; do rm -f $(libdir)/$$f; done
-
 fontlist.c: $(top_srcdir)/lib/fontlist.c
 	@rm -f fontlist.c ; if $(LN_S) $(top_srcdir)/lib/fontlist.c fontlist.c ; then true ; else cp -p $(top_srcdir)/lib/fontlist.c fontlist.c ; fi
--- plotutils-2.6.orig/plot/Makefile.am	2005-11-25 20:40:13.000000000 -0800
+++ plotutils-2.6/plot/Makefile.am	2010-10-18 01:23:37.714971379 -0700
@@ -9,12 +9,5 @@
 
 CLEANFILES = fontlist.c
 
-# remove executables installed by previous versions of the package
-
-OBSOLETEBINS = plot2plot plot2tek plot2hpgl plot2fig plot2ps plot2X
-
-install-exec-hook:
-	-for f in $(OBSOLETEBINS) ; do rm -f $(bindir)/$$f; done
-
 fontlist.c: $(top_srcdir)/lib/fontlist.c
 	@rm -f fontlist.c ; if $(LN_S) $(top_srcdir)/lib/fontlist.c fontlist.c ; then true ; else cp -p $(top_srcdir)/lib/fontlist.c fontlist.c ; fi
--- plotutils-2.6.orig/tek2plot/Makefile.am	2005-11-25 20:40:13.000000000 -0800
+++ plotutils-2.6/tek2plot/Makefile.am	2010-10-18 01:23:48.011056089 -0700
@@ -12,12 +12,5 @@
 
 SUBDIRS = teksamples
 
-# remove executables installed by previous versions of the package
-
-OBSOLETEBINS = tek2tek tek2hpgl tek2fig tek2ps tek2X
-
-install-exec-hook:
-	-for f in $(OBSOLETEBINS) ; do rm -f $(bindir)/$$f; done
-
 fontlist.c: $(top_srcdir)/lib/fontlist.c
 	@rm -f fontlist.c ; if $(LN_S) $(top_srcdir)/lib/fontlist.c fontlist.c ; then true ; else cp -p $(top_srcdir)/lib/fontlist.c fontlist.c ; fi