diff -r rcs5.6.0.1/Makefile ../rcs5.6.0.1/Makefile
7c7
<       cd $@; make ${MFLAGS} DESTDIR=${DESTDIR}
---
>       cd $@; make ${MFLAGS} DESTDIR=${DESTDIR} EXEC_PREFIX=$(EXEC_PREFIX) NONEXEC_PREFIX=$(NONEXEC_PREFIX)
11c11
<               (cd $$i; make ${MFLAGS} DESTDIR=${DESTDIR} install); \
---
>               (cd $$i; make ${MFLAGS} DESTDIR=${DESTDIR} EXEC_PREFIX=$(EXEC_PREFIX) NONEXEC_PREFIX=$(NONEXEC_PREFIX) install); \
16c16
<               (cd $$i; make ${MFLAGS} DESTDIR=${DESTDIR} clean); \
---
>               (cd $$i; make ${MFLAGS} DESTDIR=${DESTDIR} EXEC_PREFIX=$(EXEC_PREFIX) NONEXEC_PREFIX=$(NONEXEC_PREFIX) clean); \
diff -r rcs5.6.0.1/man/Makefile ../rcs5.6.0.1/man/Makefile
5c5
< MANDIR = /usr/man
---
> MANDIR = $(NONEXEC_PREFIX)/man
diff -r rcs5.6.0.1/src/Makefile ../rcs5.6.0.1/src/Makefile
58c58
<  DIFFPREFIX = /usr/local/gnu/# GNU diff -- must be version 1.15 or later
---
>  DIFFPREFIX = $(EXEC_PREFIX)/bin# GNU diff -- must be version 1.15 or later
107c107
<  RCSDIR = /usr/local/bin
---
>  RCSDIR = $(EXEC_PREFIX)/bin