Index is unique for each PRINTERDEVICE.

Abuse .for so that the variable expansion works inside the N modifier.
This won't be a simple abuse with the next version of bsd.doc.mk
which will support multi-value PRINTERDEVICE.

1 files changed, 16 insertions, 6 deletions

diff --git a/share/doc/usd/13.viref/Makefile b/share/doc/usd/13.viref/Makefile
index 001bb47c23cd..7d4260019ed9 100644
--- a/share/doc/usd/13.viref/Makefile
+++ b/share/doc/usd/13.viref/Makefile
@@ -2,24 +2,34 @@
 # $FreeBSD$
 
 VOLUME=		usd/13.viref
-SRCS=		vi.ref
-EXTRA=		ex.cmd.roff ref.so set.opt.roff vi.cmd.roff index.so
+SRCS=		vi.ref-patched
+EXTRA=		ex.cmd.roff ref.so set.opt.roff vi.cmd.roff
 MACROS=		-me
-CLEANFILES=	index index.so
+CLEANFILES=	vi.ref-patched index
 TRFLAGS=	-U		# this is to hide warnings only
 USE_SOELIM=	YES
 USE_TBL=	YES
 SRCDIR=		${.CURDIR}/../../../../contrib/nvi/docs/USD.doc/vi.ref
 
+vi.ref-patched: vi.ref
+	sed -e 's:^\.so index.so$$:&.\\*[.T]:' ${.ALLSRC} > ${.TARGET}
+
+PRINTERDEVICE?=	ascii
+.for _dev in ${PRINTERDEVICE}
+EXTRA+=		index.so.${_dev}
+CLEANFILES+=	index.so.${_dev}
+
 # Build index.so as a side-effect of building the paper.
-index.so: ${SRCS} ${EXTRA:Nindex.so}
-	(cd ${SRCDIR}; sed -e 's:^\.so index.so$$::' ${SRCS}) | ${ROFF} -U -z
+index.so.${_dev}: ${SRCS} ${EXTRA:Nindex.so.${_dev}}
+	sed -e 's:^\.so index\.so\.\\\*\[\.T\]$$::' vi.ref-patched | \
+	    ${ROFF} -U -z
 	sed -e 's/MINUSSIGN/-/' \
 	    -e 's/DOUBLEQUOTE/""/' \
 	    -e "s/SQUOTE/'/" \
 	    -e 's/ /__SPACE/g' < index | \
 	sort -u '-t	' -k 1,1 -k 2n | awk -f ${SRCDIR}/merge.awk | \
 	sed -e 's/__SPACE/ /g' \
-	    -e "s/^\\(['\\.]\\)/\\\\\&\\1/" > index.so
+	    -e "s/^\\(['\\.]\\)/\\\\\&\\1/" > ${.TARGET}
+.endfor
 
 .include <bsd.doc.mk>