. Respect hier(7).

. Use a better ALL_TARGET.  Having check as part of it tried to install
  some files.  Use check-runs to achieve the desired testing without
  doing any installation.
. ${INSTALL_MAN} -> ${INSTALL_DATA} for doc installation (they aren't
  manual pages).

math/ndiff/Makefile

@@ -33,14 +33,18 @@ CONFIGURE_ARGS= --with-double
 .endif
 .endif
 
+USE_REINPLACE=	yes
 GNU_CONFIGURE=	yes
-ALL_TARGET=	all check
+ALL_TARGET=	all check-runs
 
 MAN1=		ndiff.1
 .if !defined(NOPORTDOCS)
 PORTDOCS=	*
 .endif
 
+post-patch:
+	@${REINPLACE_CMD} -e "s:%%DATADIR%%:${DATADIR}:g" ${WRKSRC}/Makefile.in
+
 post-build:
 	@${ECHO_MSG} "If there were no errors in the above checks then type"
 	@${ECHO_MSG}
@@ -51,9 +55,9 @@ post-build:
 post-install:
 .if !defined(NOPORTDOCS)
 	${MKDIR} ${DOCSDIR}
-	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.pdf  ${DOCSDIR}
-	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.ps   ${DOCSDIR}
-	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.html ${DOCSDIR}
+	${INSTALL_DATA} ${WRKSRC}/${PORTNAME}.pdf  ${DOCSDIR}
+	${INSTALL_DATA} ${WRKSRC}/${PORTNAME}.ps   ${DOCSDIR}
+	${INSTALL_DATA} ${WRKSRC}/${PORTNAME}.html ${DOCSDIR}
 .endif
 
 .include <bsd.port.post.mk>

math/ndiff/files/patch-Makefile.in

@@ -1,6 +1,16 @@
---- Makefile.in.orig	Wed Feb 18 14:17:22 2004
-+++ Makefile.in	Wed Feb 18 14:19:31 2004
-@@ -191,9 +191,9 @@
+--- Makefile.in.orig	Tue Dec 12 11:11:11 2000
++++ Makefile.in	Wed Dec 15 23:53:21 2004
+@@ -64,8 +64,7 @@
+ catdir		= $(prefix)/man/cat$(manext)
+ mandir		= $(prefix)/man/man$(manext)
+ manext		= 1
+-shrlibdir	= $(shrlibtop)/$(PROGNAME)-$(VERSION)
+-shrlibtop       = $(prefix)/share/lib/$(PROGNAME)
++shrlibdir	= %%DATADIR%%
+ 
+ FTPDIR		= /u/ftp/pub/misc
+ 
+@@ -191,9 +190,9 @@
  
  DEFINES		= -DVERSION='"@VERSION@"' -DDATE='"@DATE@"' $(XDEFINES)
  
@@ -12,7 +22,7 @@
  
  LIBS		= @LIBS@ $(XLIBS)
  
-@@ -602,14 +602,12 @@
+@@ -602,14 +601,12 @@
  	if test -f $(PROGNAME) ; \
  	then \
  		$(CP) $(PROGNAME) $(bindir)/$(PROGNAME) ; \
@@ -28,7 +38,7 @@
  		done ; \
  	fi
  
-@@ -635,7 +633,7 @@
+@@ -635,15 +632,13 @@
  install-show:
  	@echo ''
  	@echo Installed files...
@@ -37,7 +47,16 @@
  	@$(LS) -l $(mandir)/$(PROGNAME).$(manext)
  	@if test -d $(shrlibdir) ; then $(LS) -lR $(shrlibdir)/* ; fi
  	@echo ''
-@@ -703,7 +701,7 @@
+ 
+ install-shrlib:	uninstall-shrlib
+-	-$(MKDIR) $(shrlibtop)
+-	@if test -d $(shrlibtop) ; then true ; else echo Cannot create $(shrlibtop) ; exit 1 ; fi
+-	-$(MKDIR) $(shrlibdir)
++	-$(MKDIR) -p $(shrlibdir)
+ 	@if test -d $(shrlibdir) ; then true ; else echo Cannot create $(shrlibdir) ; exit 1 ; fi
+ 	for f in $(SHRLIBFILES) ; \
+ 	do \
+@@ -703,7 +698,7 @@
  uninstall-exe:
  	-for f in $(PROGRAMS) ; \
  	do \

math/ndiff/pkg-plist

@@ -1,5 +1,3 @@
 bin/ndiff
-share/lib/ndiff/ndiff-2.00/ndiff.awk
-@dirrm share/lib/ndiff/ndiff-2.00
-@dirrm share/lib/ndiff
-@dirrm share/lib
+%%DATADIR%%/ndiff.awk
+@dirrm %%DATADIR%%