--- scrt/makefile.orig	Wed Feb 17 10:55:48 1993
+++ scrt/makefile	Wed Feb  2 22:22:22 2000
@@ -5,7 +5,9 @@
 #
 
 .SUFFIXES:
-.SUFFIXES:	.o .c .sc .s
+.SUFFIXES:	.o .c .sc .s .so
+
+SOVER = 1
 
 SCC = ../scsc/scc
 SCCFLAGS = 
@@ -14,6 +16,8 @@
 
 Cruntime = scinit.o apply.o callcc.o cio.o heap.o objects.o mtraps.o
 
+SCruntime = scinit.so apply.so callcc.so cio.so heap.so objects.so mtraps.so
+
 Cruntimec = scinit.c apply.c callcc.c cio.c heap.c objects.c mtraps.c
 
 Chfiles = scinit.h apply.h callcc.h cio.h heap.h objects.h options.h
@@ -22,6 +26,11 @@
 	   scqquote.o screp.o \
 	   scrt1.o scrt2.o scrt3.o scrt4.o scrt5.o scrt6.o scrt7.o scrtuser.o
 
+SSruntime = scdebug.so sceval.so scexpand.so scexpnd1.so scexpnd2.so \
+	   scqquote.so screp.so \
+	   scrt1.so scrt2.so scrt3.so scrt4.so scrt5.so scrt6.so scrt7.so \
+	   scrtuser.so
+
 Sruntimec = scdebug.c sceval.c scexpand.c scexpnd1.c scexpnd2.c \
             scqquote.c screp.c \
             scrt1.c scrt2.c scrt3.c scrt4.c scrt5.c scrt6.c scrt7.c scrtuser.c
@@ -43,17 +52,27 @@
 	${SCC} -C ${SCCFLAGS} $*.sc
 
 .c.o:
-	${CC} -c ${CFLAGS} -I. $*.c
+	${CC} ${CFLAGS} -c ${.IMPSRC} -I. -o ${.TARGET}
+
+.c.so:	
+	${CC} ${PICFLAGS} ${CFLAGS} -c ${.IMPSRC} -I. -o ${.TARGET}
 
 .s.o:
 	${CC} -c $*.s
 
+.s.so:
+	${CPP} -E -DPIC ${CFLAGS:M-[ID]*} ${.IMPSRC} | \
+		${AS} -k -o ${.TARGET}
+
 sc-to-c:	${Sruntimec} sci.c
 
 c-to-o:		${Sruntimec} ${Sruntime} ${Cruntime}
 
 s-to-o:		${Aruntime}
 
+OBJS = ${Sruntime} ${Cruntime} ${Aruntime}
+SHAREDOBJS = ${OBJS:.o=.so}
+
 Xlibsc.a:	${Sruntimec} ${Sruntime} ${Cruntime} ${Aruntime}
 	rm -f Xlibsc.a
 	ar q Xlibsc.a ${Cruntime} ${Sruntime} ${Aruntime}
@@ -75,36 +94,42 @@
 Xmv:		Xsci Xlibsc.a
 	mv Xsci sci
 	mv Xlibsc.a libsc.a
-	
+
 port:
-	make "CC = ${CC}" "CFLAGS = ${CFLAGS}" "SCC = echo" \
-	     Xlibsc.a Xsci Xmv ${Plib}
+	${MAKE} "CC = ${CC}" "CFLAGS = ${CFLAGS}" "SCC = echo" \
+	     Xlibsc.a Xsci Xmv ${Plib} libsc.so.${SOVER}
 
 libsc_p.a:	libsc.a
 	mkdir saveobj
 	mv ${Sruntime} ${Cruntime} ${Aruntime} saveobj
 	rm -f libsc_p.a
-	make "CC = ${CC}" "CFLAGS = ${CFLAGS} -pg" ${Sruntime} ${Cruntime} \
+	${MAKE} "CC = ${CC}" "CFLAGS = ${CFLAGS} -pg" ${Sruntime} ${Cruntime} \
 	     ${Aruntime}
 	ar q libsc_p.a ${Cruntime} ${Sruntime} ${Aruntime}
 	${RANLIB} libsc_p.a
 	mv saveobj/* .
 	rmdir saveobj
 
+libsc.so.${SOVER}:	${SCruntime} ${SSruntime} ${SAruntime}
+	rm -f libsc.so.${SOVER}
+	${CC} -shared  -Wl,-x -Wl,-assert -Wl,pure-text -Wl,-soname,$@ -o $@ \
+		${SCruntime} ${SSruntime} ${SAruntime}
+
 install-private:
-	make "LIBDIR = ${DESTDIR}" "BINDIR = ${DESTDIR}" \
+	${MAKE} "LIBDIR = ${DESTDIR}" "BINDIR = ${DESTDIR}" \
 	     "OWNER = -o `whoami`" install
 
 install:
-	-mkdir ${LIBDIR}/schemetoc
-	cp libsc.a ${LIBDIR}/schemetoc/libsc.a
-	${RANLIB} ${LIBDIR}/schemetoc/libsc.a
-	-cp libsc_p.a ${LIBDIR}/schemetoc/libsc_p.a
-	-${RANLIB} ${LIBDIR}/schemetoc/libsc_p.a
-	cp objects.h ${LIBDIR}/schemetoc
-	cp options.h ${LIBDIR}/schemetoc
-	cp predef.sc ${LIBDIR}/schemetoc
-	cp sci ${BINDIR}/sci
+	${BSD_INSTALL_DATA} libsc.a ${LIBDIR}
+	-${RANLIB} ${LIBDIR}/libsc.a
+	${BSD_INSTALL_DATA} libsc_p.a ${LIBDIR}
+	-${RANLIB} ${LIBDIR}/libsc_p.a
+	${BSD_INSTALL_DATA} objects.h ${LIBDIR}/schemetoc
+	${BSD_INSTALL_DATA} options.h ${LIBDIR}/schemetoc
+	${BSD_INSTALL_DATA} predef.sc ${LIBDIR}/schemetoc
+	${BSD_INSTALL_PROGRAM} sci ${BINDIR}
+	${BSD_INSTALL_DATA} libsc.so.${SOVER} ${LIBDIR}
+	ln -sf libsc.so.${SOVER} ${LIBDIR}/libsc.so
 
 clean:
 	rm -f ${Sruntime} ${Cruntime} ${Aruntime} sci.o embedded.o \
@@ -124,8 +149,8 @@
 	      libsc.a ${Plib} sci ${destdir}
 
 all:
-	make "CC = ${CC}" "CFLAGS = ${CFLAGS}" "SCC = ${SCC}" \
-	     "SCCFLAGS = ${SCCFLAGS}" Xlibsc.a Xsci Xmv ${Plib}
+	${MAKE} "CC = ${CC}" "CFLAGS = ${CFLAGS}" "SCC = ${SCC}" \
+	     "SCCFLAGS = ${SCCFLAGS}" Xlibsc.a Xsci Xmv ${Plib} libsc.so.${SOVER}
 
 srclinks:
 	for x in ${Cruntimec} ${Chfiles} ${Sruntimec} ${Sruntimesc} ${Smisc}; \