Work on file usr/src/contrib/mkmf/src/Makefile
Synthesized-from: CSRG/cd3/4.4BSD-Lite2
--- /dev/null
+#CFLAGS= -O -DINSTALLDIR=\"$(INSTALLDIR)\"
+
+#CFLAGS= -O -DSYSV -DINSTALLDIR=\"$(INSTALLDIR)\" # Apollo (Domain/OS sys5)
+
+#CFLAGS= -O -DUNICOS5 -DINSTALLDIR=\"$(INSTALLDIR)\" # Cray Unicos 5.x
+
+CFLAGS = -O -DBSD4X -DINSTALLDIR=\"$(INSTALLDIR)\" # Generic BSD
+
+INSTALLDIR= /usr/contrib
+
+PROG= mkmf
+
+SRCS= Mkmf.c \
+ badopt.c \
+ buildlist.c \
+ depend.c \
+ dlist.c \
+ editmf.c \
+ getcwp.c \
+ getproject.c \
+ hash.c \
+ iolin.c \
+ macro.c \
+ misc.c \
+ mksrclist.c \
+ mksymlink.c \
+ mustfopen.c \
+ optpath.c \
+ pathcat.c \
+ pathhead.c \
+ pperror.c \
+ rule.c \
+ slappend.c \
+ slinit.c \
+ slrm.c \
+ slsort.c \
+ slvect.c \
+ slvtol.c \
+ strpcpy.c \
+ strsav.c \
+ suffix.c \
+ usage.c \
+ warn.c
+
+.SUFFIXES: .man .1
+
+.man.1:
+ sed -e s?INSTALLDIR?$(INSTALLDIR)? $< > $*.1
+
+.include <bsd.prog.mk>